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Need an in-depth introduction to a new security topic? Our features articles will bring up up-to-date on everything from buffer overflows to SE Linux policy development.
Need an in-depth introduction to a new security topic? Our features articles will bring up up-to-date on everything from buffer overflows to SE Linux policy development.
Containers are among the many recent inventions of modern computing. They have emerged as the cornerstone of software development and deployment. They isolate applications and their dependencies into a closed environment, enabling efficient and consistent deployment across different infrastructures. There are plenty of reasons behind the shift to containerization, the key being the widespread adoption of DevOps practices and cloud-native innovations. However, despite the unmatched convenience and efficiency, containers bring various security challenges that traditional security measures can’t fully address. As this new technology proliferates across production environments, securing them should be a priority for all organizations. Unlike traditional devices, containers share the hosts’ OS kernel, which is beneficial but exposes it to potential vulnerabilities. This means businesses should re-evaluate their security strategies throughout the container’s lifecycle. Similarly, the future of container security depends on several emerging innovations. The increasing shift towards Zero Trust models is especially relevant to containerized environments. This model assumes no inherent trust within the network and enforces stringent authentication measures for access. The shift-left security option, which integrates security practices from the development lifecycle, is also beneficial. This strategy helps developers detect and mitigate vulnerabilities before production, significantly reducing attack surfaces. Various open-source tools, including Trivy, lead the pack in ensuring these developments. Below is a detailed guide on container security and its future. Read on! The Current State of Container Security With the rise of the adoption of containers, there’s a need to understand the current state of container security. While containers offer significant benefits, they introduce significant security challenges. It is prudent for organizations and businesses to know some of the existing threats and common attack vendors before adopting them. They Include: Vulnerable code is the most important security risk of containerized applications. As mentioned, containers package applications alongside their dependence. This often includes insecure or outdated libraries that attackers can exploit. Compromised images: Containers rely on images containing apps and their dependencies. Unfortunately, some may have insecure components that expose the entire network to security risks. A compromised container image serves as a perfect entry points for attackers. Insecure working: Containers communicate through internal networks. Poorly secured networks become excellent vectors for attacks. Lack of encryption and insufficient segmentation often lead to data breaches. Container escape: This severe threat occurs when attackers break out of container isolation and access the host system, compromising the host and other containers running on it. While these risks are dire, container environments have various built-in security measures that mitigate these vulnerabilities. These features are built on Docker and Kubernetes but have some limitations. For instance, Docker uses namespaces to isolate containers and host systems. This significantly prevents unauthorized access and denial-of-service attacks and reduces the attack surface. However, Docker’s default features are slightly insufficient. Simple issues like using untrusted images can bypass its security setup.Kubernetes also provides perfect built-in security features for container environments. It enhances container security by implementing RBAC, which controls access and empowers network segmentation. Unfortunately, configuring Kubernetes securely often proves challenging. Wrong settings expose containers to vulnerabilities. However, this doesn’t mean containers are entirely insecure. Organizations can leverage various open-source container security tools to address these issues that exceed the capability of built-in security measures. These tools include: Trivy and Clair for image vulnerability scanning Kube-bench and Kubescape for configuration and compliance issues. Falco and Sysdig for enhanced runtime security Cilium and Calico will address network security issues. Open Policy Agent and Kyverno to sort policy enforcement issues. Dex and Keycloak for identity verification and access management. Sealed Secrets and HashiCorp Valut for secrets management. They enhance the security of stored sensitive information. Grafana Loki and Prometheus for better incident responses. Collectively, these tools provide targeted solutions that enhance container security in different aspects of the container lifecycle. Emerging Trends in Container Security With the expanding use of containerization, the security realm surrounding these environments keeps evolving in response to emerging threats. Below is a breakdown of top trends shaping the future of container security: Exploitation patterns and attacks targeting containerized environments Attackers now use sophisticated techniques to exploit vulnerabilities present in these systems. Some of the recent trends in exploitation patterns include: Supply chain attacks: Malicious persons compromise container images and dependencies, ultimately affecting the supply chain. They can inject malware into private or public repositories. Lateral movement: Attackers attempt to move laterally to access other containers after successfully accessing a container. Resource hijacking – malicious individuals hijack resources for malicious activities. Containers with misconfigured resources are often very vulnerable. Integrating security into the CI/CD pipeline This practice is a perfect response to the dynamic nature of container deployments. Also called shift-left security, it focuses on identifying and mitigating vulnerabilities earlier in the container development lifecycle. Various tools, including automated vulnerability scanning and security testing, are integrated into CI/CD workflows before containers reach final production. Automated checks are also conducted to ensure containers have the necessary security structure before deployment. The use of software bills of materials Containers heavily rely on third-party components and dependencies. Using SBOM has become crucial for tracking and managing all components. It provides a detailed inventory of all components in the container image, including frameworks, libraries, and dependencies. Doing this is beneficial in many ways. For starters, it helps in vulnerability management. Organizations can easily identify and address threats in third-party components. SBOMs also provide vital information during incident response. Knowing the components makes it easy to identify the origin of the compromise. Adoption of policy as code practices Policy as Code is a practice of defining security policies enforceable through code. This approach aligns perfectly with shift-left practices, embedding security policies directly into the container development lifecycle. Adoption of these practices helps organizations achieve consistency and automation. Administrators define and automate policies, significantly reducing the risk of misconfiguration and human error. These policies also enhance collaboration between development and security teams. Adoption of AI and ML Artificial intelligence and machine learning have transformed container security in the following ways: Threat prediction: ML models analyze patterns and historical data to predict potential threats. This proactive approach helps anticipate and mitigate vulnerabilities before they materialize. Behavior analysis: Al-powered tools analyze container patterns to identify anomalies that indicate security threats like resource usage or unexpected connections. Automated responses: Automated tools provide faster and accurate responses to arising incidents. Integrating AI with incident response workflow allows organizations to streamline threat mitigation and minimize the impact of breaches. Adoption of service mesh architectures Organizations have increasingly adopted service mesh architectures to secure communication between containerized environments. This practice enhances traffic control and policy enforcement. Service meshes like Istio provide more control over network traffic, enhancing confidentiality and data integrity. Service meshes also allow organizations to monitor traffic patterns and detect anomalies. Such visibility is crucial for identifying and responding to threats in real time. However, meshes introduce some complexities. Organizations should carefully balance these security advantages with resource demands. Spotlight on Open Source Security Tools Securing these environments becomes important as containerization becomes the cornerstone of modern app deployment. Open-source tools can help organizations address various challenges. Some of the top open-source tools to consider include: Trivy Trivy is an open-source tool from Aqua Security that offers excellent vulnerability scanning for container images and file systems. This tool stands out for its comprehensive vulnerability scanning ability, which makes it a must-have tool in business container security sets. Key features of Trivy include: Wide vulnerability coverage: The tool scans various vulnerabilities in container images. It also supports various languages and package managers, broadly covering potential threats. Ease of use: The command-line interface is straightforward and requires minimal setup. Community and support: As an open-source project, Trivy benefits from contributions from a vibrant community of developers. This collaborative environment ensures that it remains up-to-date. Hadolint This is another open-source linter that helps developers write secure Docker images. Hadolint evaluates Docker files, ensuring they adhere to best practices like minimal image size, reduced number of layers, and more. These practices enhance the performance and security of container images. Hadolint also provides security recommendations for improving Docker Files' security. For instance, it can suggest using the “latest” tag, which has potential security vulnerabilities. The tool allows users to define custom configurations and rules to suit their requirements. Organizations can also benefit from Clair, Grype, Syft, and Kube-Bench. These tools play a crucial role in improving the container security landscape. Future of Open Source Container Security Tools The container security landscape continues evolving, with applications becoming more complex and new threats emerging. Open-source tools like Trivy will also likely undergo significant advancements to meet emerging challenges. As containerized environments become sophisticated, Trivy will expand its detection abilities. Its threat detection abilities will include supply chain attacks and new exploitation techniques. Trivy will also evolve to adapt to the needs of modern architectures, especially hybrid and multi-cloud environments. On the other hand, Hadolint will feature advanced limiting rules and a deeper integration with the container ecosystem. Hadolint will feature sophisticated features that address emerging performance and security issues in Docker Files. However, the fast-paced culture of this environment will necessitate a community-driven approach to open-source tool development. Open-source communities allow for rapid response to emerging threats, leveraging collective expertise and resources. Similarly, integrating open-source security tools into comprehensive security platforms is very possible. Integration of these tools will focus on enhancing interoperability and automation. This will require standardization of APIs and data formats to allow smooth data exchange and communication of these tools. Lastly, new tools will emerge tailored to address specific vulnerabilities associated with evolving container technologies. These tools will likely focus on specific areas, like serverless security. New tools will also help organizations navigate complex compliance requirements. For instance, they will automate compliance checks and provide detailed reports to ensure containerized apps adhere to legal provisions. Challenges and Considerations for the Future Maintaining robust security becomes challenging as containerization becomes more disrupted and dynamic. The main issues are: Securing dynamic and distributed environments: This requires tools that adapt to diverse deployment environments, including on-premise data centers, edge devices, and multiple clouds. Balancing agility and usability: Focusing overly on agility leads to misconfiguration, while stringent security practices hinder usability. Finding the perfect balance is key. Legal and regulatory issues: Open-source tool development should adhere to a complex legal landscape. Compliance with data protection laws, software licensing and other legal issues becomes challenging. Addressing these challenges requires collaboration and continuous innovation. Keep Learning About Container Security Container technologies offer great flexibility and scalability. However, they come with unique security challenges that necessitate innovative solutions. Fortunately, open-source tools play a crucial role in enhancing security. Their capabilities, ranging from vulnerability scanning to runtime monitoring, help secure container environments. However, developers and professionals still need to contribute to enhancing the security of these projects. Participating in open-source communities helps shape the future of container security and ensures these tools meet the demands of modern applications. Learn about Container Security basics Secure Docker Containers with These Data Management Software Options Open Source Vulnerability Assessment Tools & Scanners
At a time of rapid technological progress, the security of our digital tools - particularly WiFi routers - has become critical. Recent news from ASUS sent shockwaves through the cybersecurity community when multiple models of their routers were found with critical flaws that exposed an ongoing challenge of protecting networks against intrusions. Unpacking the Critical Flaw in ASUS Routers According to an extensive report by RedPacket Security, ASUS recently resolved an authentication bypass vulnerability known as CVE-2024-3080, which scored 9.8 on the Common Vulnerability Scoring System scale, indicating its severity. This security hole allowed unauthenticated, remote attackers to access devices for unauthorized gains without authentication, granting them any legitimate privileges whatsoever. Another high-severity buffer overflow flaw, CVE-2024-3079, compounded this security hole by enabling remote attackers with administrative privileges to execute arbitrary commands remotely on devices with administrative rights. These vulnerabilities could constitute an exploit chain compromising all security protection on affected routers. ASUS routers such as the ZenWiFi XT8, RT-AX88U, RT-AX58U, and others were affected. ASUS quickly responded with software updates to address these vulnerabilities. This incident raises a fundamental issue regarding routers' reliance on proprietary software. While manufacturers frequently push out security patches, proprietary programs' closed nature means vulnerabilities remain unseen until a breach occurs, leaving users vulnerable. Embracing Open Source: A Route to Enhanced Security Open-source firmware and operating systems offer an alternative to proprietary router software. Their publicly collaborative development processes make security flaws less likely to go undetected. OpenWRT OpenWrt is one of the most widely used open-source router operating systems available. It provides highly configurable control over performance and security settings, surpassing what most stock router firmware allows. OpenWrt also features an innovative package management system that enables users to add or remove features as desired, making the operating system leaner and more cost-effective than others. Here are five of the best features of OpenWrt: Extensive Hardware Support: OpenWrt supports a wide range of devices, from home routers to professional-grade equipment, making it adaptable to various networking situations. Fully Writeable Filesystem: With its roots in Linux, OpenWrt provides a fully writeable filesystem. Users can modify, add, or delete any file, similar to a traditional Linux distribution, offering unparalleled flexibility. Customizable Packages: OpenWrt allows users to install and remove packages to customize the router for specific needs without bloating the system with unnecessary features. Advanced Network Capabilities: OpenWrt contains many out-of-the-box network features, including IPv6 support, VLANs, traffic shaping, VPN, and firewall configurations, allowing for detailed network management.\ Active Community and Development: The vibrant OpenWrt community and ongoing development mean the firmware is constantly updated. New features are regularly added, and security vulnerabilities are promptly addressed, enhancing your network's functionality and security. These features underscore OpenWrt's flexibility and capabilities, making it a powerful choice for users looking to maximize their router's potential. DD-WRT Like OpenWrt, DD-WRT is another Linux-based firmware that enhances routers by improving network stability, range expansion, and security features such as VPN integration and VLAN support. Furthermore, its community is quite active, providing resources and forums for help and advice regarding its usage. The five best features of DD-WRT include: Advanced Quality of Service (QoS): This technology enables intricate control over bandwidth allocation to prioritize traffic or devices for improved network performance. VPN Integration: Facilitates the integration of a Virtual Private Network directly within the router, securing all connected devices without individual configuration. Wireless Bridge and Repeater Modes: Allows routers to function as wireless repeaters or bridges, extending the wireless network's coverage or connecting wired devices to a wireless network. VLAN Support: Supports Virtual LANs for better network segmentation, enhancing security and management, and is especially useful for guest or separate IoT networks. DNS Caching: Stores DNS queries locally to speed up webpage loading times, resulting in a faster internet experience for all network users. Tomato Tomato firmware is known for its user-friendly interface and emphasis on real-time network monitoring, supporting many of the same models as DD-WRT while offering more secure security features than its stock counterpart. Here are five of the best features of Tomato firmware for routers: Bandwidth Monitoring: This allows users to monitor network traffic and bandwidth usage, making it easier to manage network resources effectively. Advanced Quality of Service (QoS) provides detailed settings to prioritize network traffic, which helps optimize performance for critical applications. Access Control: Offers robust options to manage and control access to the network, enhancing security by restricting unauthorized usage. Built-in OpenVPN Server/Client: Integrates support for OpenVPN, enabling secure VPN connectivity for enhanced privacy and secure remote access. IP/MAC Bandwidth Limiter: This tool enables setting bandwidth limits for specific IP addresses or MAC addresses, useful in managing bandwidth consumption per device. These features enhance network management, security, and performance, making Tomato firmware a valuable choice for users with compatible Broadcom-based routers. pfSense While not specifically for routers, pfSense can transform an old computer into a powerful firewall and router. Based on FreeBSD and widely regarded as one of the safest and most flexible network administration solutions available today, pfSense handles everything from routing and firewalling to VPN provisioning easily. Here are the five best features of pfSense router firmware: Comprehensive Firewall Security: pfSense provides an advanced firewall with stateful packet inspection, anti-spoofing, and more, for robust network protection. Versatile VPN Support: It supports multiple VPN protocols, including IPsec, OpenVPN, and WireGuard, enabling secure and flexible remote access configurations. High Availability and Redundancy: This service offers features like CARP (Common Address Redundancy Protocol) and pfsync to ensure network uptime and reliability through failover and redundancy setups. Traffic Shaping and QoS: This allows detailed control over network traffic, enabling the prioritization of critical services to maintain optimal performance and reduce congestion. Extensibility with Packages: This can be extended with a wide range of packages for additional features, such as Snort for intrusion detection, Squid for web caching, and more, tailoring the system to specific needs. AsusWRT-Merlin: Custom Firmware Powering ASUS Routers AsusWRT-Merlin is a third-party firmware developed for select ASUS routers by Eric Sauvageau to improve upon the original AsusWRT firmware without drastically altering its user experience or user interface. Retaining all original features while adding improvements, bug fixes, and occasional new ones; Eric Sauvageau leads the development of AsusWRT-Merlin with support from The Merlin Group, users, and developers who contribute to its ongoing maintenance and enhancement. Their efforts focus on stability, improved performance, and better customization possibilities across ASUS router models supported by this open-source firmware project. Using AsusWRT-Merlin can bring many advantages for users who appreciate open source's philosophy and its associated benefits: Improved Security: Regular updates from the Merlin Group may include security patches which make your router less susceptible to vulnerabilities discovered over time. Enhanced Features: The AsusWRT-Merlin includes additional features not found in its predecessor AsusWRT, such as DNS over HTTPS support (DoH), enhanced Quality of Service capabilities (QoS), and the option to monitor real-time bandwidth usage. Customizability Freedom: Fans looking to tailor their network according to specific needs will appreciate the various settings and tweaks available. Active Community Support: Our vibrant community works tirelessly on improvements and shares knowledge for troubleshooting and advanced configurations. Open Source Firmware Limitations AsusWRT-Merlin keeps users familiar with AsusWRT at ease since its GUI and overall design philosophy are the same as before, helping ease any learning curve. Open-source firmware such as this also comes with some restrictions users should be aware of: Warranty Concerns: Installing third-party firmware could void your device's manufacturer warranty; users should check their warranty terms before proceeding. Limited Support: While community support exists for using third-party firmware such as AsusWRT-Merlin, users will not receive official assistance from ASUS for issues caused by using such third-party solutions. Compatibility and Stability: Not all routers can support third-party firmware, and while open-source firmware tends to be stable, poorly executed updates or incompatible configurations could create stability issues. Learning Curve: For less tech-savvy, understanding all the additional features and configuration options may take more effort than familiarising themselves with stock firmware's user-friendly setups. No Guarantee of Features: Unfortunately, Merlin may not support all the proprietary features found in AsusWRT; some features present may also sometimes be removed if they pose significant bugs or security risks. Although open-source firmware such as AsusWRT-Merlin may have disadvantages, many advanced users find the advantages far outweigh them, particularly its enhanced control and security features. Individuals looking to maximize the potential of their router will discover that this version provides a robust upgrade from the original AsusWRT, offering both familiarity with stock firmware and access to more sophisticated capabilities of fully open-source solutions. Making the Switch to Open-Source Firmware for Enhanced Network Security Transitioning to open-source firmware like AsusWRT-Merlin can be an important strategic move for users who prioritize network security. However, this endeavor must be carefully prepared to ensure a successful transition. Before making the change, you must verify whether or not the open-source firmware you've selected is compatible with your router model. Not all routers support all firmware installations; installing incompatible ones could result in functional severe issues or even brick your device. Once compatibility has been confirmed, backing up existing router settings as a protective measure can prevent data loss and help ensure smooth transition processes. As installation processes can differ between router models, it is wise to refer to an after-installing guide tailored specifically for your router model for after-installation instructions and potential obstacles related to firmware upgrading processes. Such guides often offer step-by-step guidance and can help address common obstacles encountered during this process. The Bigger Picture The ASUS incident highlights the need for more proactive security measures in network hardware. By turning to open-source solutions, users can take advantage of collective approaches to security where vulnerabilities can be quickly identified and patched by an international community of developers. Transitioning to open-source software might initially appear daunting; however, spending the time and energy learning how to utilize these powerful tools can significantly boost both the security and efficiency of home or office networks. Open source network management represents more than software changes; it represents a wider trend toward transparency and community in cybersecurity—an essential aspect in today's increasingly interconnected society.
DISGOMOJI malware represents an innovative development in cyber espionage tactics, particularly its refined approach to targeting government agencies in India. Originating from altering an open-source cybersecurity project previously known as discord-c2, its appearance reinforces an emerging trend of adapting and evolving existing tools into intricate cyberespionage campaigns. DISGOMOJI's deployment is highly sophisticated. It employs Discord's widespread use to communicate command and control (C2) messages using emojis, effectively concealing malicious activities within seemingly innocent traffic and complicating efforts to detect and neutralize this threat. A recent analysis by cybersecurity firm Volexity reports that the DISGOMOJI malware appears to be targeting systems running the Linux distribution BOSS, which is widely utilized by Indian government entities. The attackers behind this initiative--identified by Pakistan-based threat actor UTA0137--is clearly intent on infiltrating and potentially breaching Indian government infrastructure. DISGOMOJI appears to gain entry through phishing attacks, an effective and common method for credential theft and malware delivery. What distinguishes DISGOMOJI is its persistent mechanism and use of emoji commands, like using a camera with the flash emoji to take screenshots or the Fox Emoji to zip all Firefox profiles on target devices. Such commands demonstrate its clever design and allow attackers to acquire sensitive data without leaving a trace on compromised systems. DISGOMOJI's open-source nature and adaptable design create a further risk; the malware can be adjusted and deployed against additional targets beyond India's government. Furthermore, its ability to bypass Discord's attempts at shutting down malicious servers by managing tokens to allow attackers to update client configuration easily demonstrates the difficulty of countering such an advanced threat. Additional Considerations The open-source nature of DISGOMOJI raises important issues about the duality of publicly available cybersecurity tools and projects. While open-source projects provide great resources for research, education, and legitimate defensive purposes, they also serve as blueprints that could be modified maliciously. Linux administrators and cybersecurity professionals, particularly in industries vulnerable to being targeted by espionage-focused malware, should view DISGOMOJI as an illustration of cyberspace's ongoing arms race. This would emphasize the necessity for constant vigilance, education on emerging threat vectors, and implementation of multilayered security measures that detect and prevent such targeted threats. DISGOMOJI malware targeting Linux systems marks a striking change in cyber threats targeting these environments. While traditional malware relies on textual-based command and control (C2) mechanisms, DISGOMOJI's use of emoticons for command transmission through Discord is both novel and alarming - bypassing security systems designed to monitor more conventional indicators of compromise thereby creating new difficulties for detection and mitigation. How Does DISGOMOJI Compare with Other Linux Malware and Ransomware? To better assess this threat, it would be useful to compare DISGOMOJI against other significant malware threats like other significant Linux malware and ransomware such as DISGOMOJI that has appeared lately. When comparing them side-by-side, several aspects stand out: Method of Communication: Most Linux-targeting threats, like Ebury botnet, employ traditional botnet communication methods like IRC channels or HTTP-based C2 infrastructures for command and control (C2). But DISGOMOJI stands out by employing popular, legitimate services for C2, making its traffic harder to distinguish from benign communications. Targeting and Sophistication: Where Mirai uses brute-force attacks against IoT devices to create large botnets for DDoS purposes, DISGOMOJI appears more focused on espionage with targeted attacks against specific government agencies - suggesting an even higher level of sophistication behind its operations that may include state actors. Stealth and Persistence: DISGOMOJI utilizes advanced stealth techniques, such as displaying a decoy PDF, to avoid detection while employing persistence mechanisms like cron jobs and XDG autostart entries, similar to those used by other sophisticated malware. This makes it more complex and more challenging for security analysts to detect and remove it, making it resistant to removal. How Concerned Should Linux and InfoSec Administrators Be? Linux and InfoSec administrators should view DISGOMOJI with great concern due to its unique C2 strategy, targeted nature, sophisticated deployment mechanisms, and sophisticated persistence mechanisms. Awareness and preparation can greatly reduce its threat; an understanding that Linux systems are susceptible to targeted attacks is paramount, so security posture adjustments must be made accordingly. mes Mitigation Strategies Administrators need to implement various mitigation strategies to protect themselves from threats such as DISGOMOJI: Enhance Monitoring and Detection: Employ advanced monitoring solutions capable of analyzing network traffic behavior and detecting anomalous patterns such as using legitimate services like Discord for potential C2 communications. Regular System and Patch Updates and Patching: Regular system and application updates help protect against vulnerabilities that could serve as entryways to infections, acting as initial infection vectors for hackers and cybercriminals. Phishing Awareness Training: Since DISGOMOJI utilizes phishing as the initial entryway into their network, training staff to identify and respond to any attempted phishing is an essential defense against infection. Segregation: By isolating critical networks and restricting access to essential services only, network segmentation helps contain any malware outbreaks should an infection arise. Application Whitelisting and Restricted Script Execution: Block any unapproved applications from running and restrict script execution capabilities to limit malware's ability to launch payload or establish persistence. Utilize Security Tools with Machine Learning Capabilities: For effective defense against new attack vectors, implement solutions that leverage machine learning for threat identification and blocking using behavioral analysis. This approach may be more successful in blocking threats with novel behaviors than traditional solutions. Improved Email Filtering: Email security measures must be strengthened with robust filtering rules to prevent phishing scams from succeeding. Discord Usage Policy: Organizations should implement policies to review and potentially restrict the use of Discord and similar platforms when necessary or monitor its usage on sensitive systems. Community Vigilance: As this open-source malware is spread widely through threat vectors, cybersecurity communities should remain vigilant in monitoring and sharing intelligence on variations of DISGOMOJI malware as a collective defense approach. While DISGOMOJI poses a substantial threat to Linux systems, increased awareness, advanced detection tools, and robust security practices can reduce its threat.
Email encryption is a great way to enhance your organization’s communication security by protecting your email content and ensuring unauthorized individuals can’t read the information.
The US government reported the OPM Breach, one of the country's greatest hacks, in 2015. Over 22 million past and present employees' personnel records were compromised by hackers believed to be based in China. According to experts, the consequences of such a large-scale breach may persist for almost 40 years.
The CIA triad — no relation to the Central Intelligence Agency — is an information security framework for protecting information. It examines the confidentiality, integrity, and availability of an organization’s data, giving users a valuable tool for assessing and implementing systems or finding weaknesses.
Ethical hacking, or analyzing a system without permission to try and discover vulnerabilities that hackers can use, is an essential part of maintaining robust Linux security. Ethical hacking helps prevent cyberattacks before they happen by identifying vulnerabilities before they are exploited by malicious actor.
Remember when you were sent an email from a purported "bank" informing you of suspicious transactions? Phishing attacks - those deceptive attempts at stealing your information through deception - can be overwhelming and potentially stressful, but not with cybersecurity awareness!
As a Linux administrator or security practitioner, you understand DNS's essential role in network security. Attacks and unauthorized access pose threats against DNS connections, so robust security protocols must be implemented to safeguard them. Zero-Trust DNS provides greater security, control, and flexibility over DNS traffic.
It’s hard to think of a technology more impactful than Artificial Intelligence (AI). While it’s been around for a while, it’s only recently broken into the mainstream. Now that it has, it’s rewriting the playbook for much of the tech industry, especially open-source software (OSS).
With the support of the open-source community and a strict privilege system embedded in its architecture, Linux has security built into its design. That being said, gone are the days when Linux system administrators could get away with subpar security practices. Cybercriminals have come to view Linux as a viable attack target due to its growing popularity, the valuable devices it powers worldwide, and an array of dangerous new Linux malware variants that have emerged in recent years.
Security is vital for your Linux web apps, but keeping up with the latest exploits and meeting compliance standards can quickly become overwhelming.
In the dynamic landscape of web development, ensuring that applications perform uniformly across various web browsers is a vital aspect of user experience. This becomes increasingly important for Linux systems, where the default browsers and configurations range presents unique challenges. Cross-browser compatibility testing on Linux helps to identify and resolve these discrepancies, thereby enhancing the accessibility and functionality of web applications for all users.
In the evolving cybersecurity landscape, staying ahead of threats while ensuring system stability and compliance is paramount for businesses and developers. Red Hat Enterprise Linux (RHEL) version 9.4 emerges as a beacon of innovation and security, encapsulating the best open-source technology to meet these challenges head-on.
Imagine releasing a software solution into the market only to realize the user cannot use the app properly. They have been reporting numerous bugs, which has lowered your reputation and reliability.
Open-source software, or OSS, has completely changed the technology sector by enabling developers anywhere to work together and produce creative solutions faster. However, security issues are a significant worry, just like in any digital environment. Therefore, you should take precautions to secure any open-source software you use.
This first part of the Complete Guide to Keylogging in Linux will explore keylogger attacks in network security. Keylogging can be valuable for testing within the Linux Security realm, so we will dive deeper into how you can write keyloggers and read events directly from a keyboard device on Linux.
In Complete Guide to Keylogging in Linux: Part 1, we discussed how to write keyloggers for Linux by reading keyboard device events. This article will continue to discuss keyboard event capture so you have more techniques to use for keylogger attacks in network security.
In Complete Guide to Keylogging in Linux: Part 1 and Complete Guide to Keylogging in Linux: Part 2, we discussed the basics of keylogging and a few options you can utilize to check your server for attacks in network security. This article will discuss what techniques you can implement to capture keyboard events within a Linux kernel.
Keylogger attacks in network security have become more popular over time. Therefore, businesses must implement procedures and tactics to prevent these network security issues from harming a server.