Network Security
system security Linux network
system security Linux network The romanticized image of the digital nomad – a laptop on a sun-drenched balcony – rarely accounts for the actual friction of maintaining a professional development environment on the move. . The friction is amplified with Linux. We are looking for a setup that respects our kernel configurations, handles volatile network handovers, and maintains a strict security posture without the hand-holding of a consumer-grade OS – so, put simply, more than just a laptop and a sunny deck. The hardware is...
May 26, 2026
Server Securityopen-source Linux administration
open-source Linux administration Cron has existed in Unix and Linux environments for decades, handling backups, cleanup scripts, patching jobs, log rotation, monitoring tasks, and other maintenance work that administrators do not want to run manually. Most Linux servers rely on it constantly, which is exactly why attackers continue abusing it for persistence after a system has already been compromised. . Persistence through cron is not complicated. Attackers do not need a rootkit or advanced malware framework to maintain...
May 25, 2026
Vendors/Productssecurity breach linux
security breach linux A major internal repository breach at GitHub has exposed a critical and overlooked blind spot in Linux supply chain security. Kernel exploits, exposed SSH services, weak firewall rules, and vulnerable daemons dominated the Linux threat model for years, and in many environments, they still matter. But recent supply-chain incidents involving GitHub ecosystems, npm packages, and malicious developer tooling point somewhere else entirely: the developer workstation. . The breach matters because...
May 21, 2026
Security Trends access control multi-tenant
access control multi-tenant Linux administrators often face an ugly choice in the cloud: prioritize convenience and cost-efficiency by sharing infrastructure, or sacrifice those benefits for the sake of total isolation. Most modern Linux workloads don't live on their own private servers anymore. They live in shared environments like Kubernetes clusters, where multiple teams and services run side-by-side. It sounds efficient, and it usually is. . But cloud isolation isn't as ironclad as it looks on the diagram. If you...
May 21, 2026
Vendors/Productsincident response cloud security
incident response cloud security Managed Extended Detection and Response (MXDR) has become one of the most sought-after security services in the enterprise market — and with good reason. It promises the holy grail: broad visibility across endpoints, network, cloud, email, and identity, combined with the 24/7 human expertise most organizations simply cannot build in-house. . However, the rapid growth of the market has produced a wide range of providers whose capabilities vary considerably beneath the surface. Choosing the...
May 19, 2026
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security advisorydata integrityautomationRed Hat Enterprise Linux 9.5: Improving Security and Automation for IT
Red Hat Enterprise Linux (RHEL) continues to develop with its latest release, version 9.5 . This update offers many new features and enhancements designed to meet the growing demands of modern IT environments. It emphasizes enhancing security, automating operations, and providing robust support for contemporary workloads. . Whether managing an enterprise data center, developing innovative applications, or ensuring compliance across complex infrastructures, RHEL 9.5 provides tools and capabilities that increase productivity while protecting data integrity for seamless operations. In this article, we'll highlight some significant updates and modifications in RHEL 9.5, such as improved security features, increased automation capabilities, and comprehensive workload support, making this release an essential advance for administrators and developers. From confidential computing and new system roles to Podman 5.0 support and updated developer tools, RHEL 9.5 stands up well to today's fast-moving IT landscape. Introduction to Red Hat Enterprise Linux Red Hat Enterprise Linux (RHEL) , developed by Red Hat Inc., is an innovative enterprise operating system with proven scalability and security explicitly tailored for enterprise environments. Over time, RHEL has become the go-to platform for deployment across data centers, virtualized environments, and hybrid clouds—an accolade testament to Red Hat's rich history as the leading open-source solutions provider. RHEL first debuted in 2000 and has steadily evolved to meet the ever-changing needs of modern IT environments. Today, RHEL is a cornerstone for organizations looking for a secure yet efficient platform that supports cutting-edge technologies like Artificial Intelligence (AI), Machine Learning (ML), and edge computing. Overview of Red Hat Enterprise Linux 9.5 Red Hat Enterprise Linux 9.5 marks a significant milestone, offering features to improve security, automate processes, and simplify hybrid cloud deployments. This latest version of RHELunderscores Red Hat Inc.'s dedication to providing secure yet efficient platforms to meet rapidly shifting enterprise IT requirements. Modern organizations face an ongoing challenge maintaining Linux environments while managing workloads they support despite limited time and resources. Furthermore, cloud services are expanding quickly, and AI/ML workloads are becoming an increasing part of today's IT environments, causing further complications in striking this balance. Fundamental Changes and Updates in RHEL 9.5 Red Hat Enterprise Linux (RHEL) 9.5 introduces several vital updates and modifications, strengthening its reputation for increased security, efficient operations, and supporting modern workloads. Security remains at the core of RHEL, and version 9.5 builds upon this legacy with several notable enhancements. Among these updates is improved confidential computing support to safeguard sensitive data during AI/ML computations - protecting it even in complex multi-tenant cloud environments while mitigating potential threats and maintaining data integrity. In addition, new system roles have been implemented to simplify administrative tasks while improving security. For instance, the Sudo role allows secure configuration of command line utilities across environments while significantly decreasing complexity for users with elevated privileges. RHEL 9.5 helps organizations achieve greater efficiency by offering several automation features. Improved file management capabilities have now been integrated into the web console, enabling administrators to perform file uploads and permission changes directly without command-line access, increasing efficiency and decreasing errors. Red Hat Satellite 6.16 extends this system management solution's functionality further, enabling administrators to automate and simplify RHEL environments more efficiently. Its improved content synchronization and compliance management also improve operational efficiencies. RHEL 9.5 was built to support modern workloads,helping organizations deploy applications in diverse environments. This release includes full support for Podman 5.0 —an open-source container engine that facilitates application deployment across platforms—while empowering developers with integrated developer tools and up-to-date programming languages like JDK 17 to meet modern Java app development. JDK 11 remains supported alongside this additional capability for robust application creation. Understanding the Impact of RHEL 9.5 on Linux Security and System Administration RHEL 9.5 places an unparalleled emphasis on security. Through confidential computing support, this platform ensures sensitive AI/ML workload data is protected against unwarranted access and potential breaches—which is in keeping with growing concerns surrounding data privacy in an age of big data and sophisticated cyber threats. Likewise, new system roles, particularly the Sudo role, simplify user privilege administration to lower misconfiguration risks and prevent unauthorized access. Collectively, these measures suit enterprises deploying RHEL 9.5 as an ideal option for organizations that require stringent security standards. Automation remains an essential element in IT operations. Recent enhancements to file management capabilities within the web console help system administrators complete routine tasks quickly and accurately. Red Hat Satellite 6.16 saves time and minimizes human error for more predictable system management, as it automates compliance and content synchronization tasks for RHEL environments. Automating these processes is critical when dealing with large-scale deployments where maintaining consistency and compliance among numerous systems can be challenging. By automating them, administrators can ensure all systems comply with organizational policies while relieving themselves of administrative tasks and increasing overall system reliability. Tackling IT Complexities As organizations increasingly adopt hybrid cloud strategies, ensuring they have adependable, secure operating system is critical. RHEL 9.5's improvements to security and automation help address the complex task of managing workloads across different cloud environments. At the same time, its support for Podman 5.0 allows seamless application deployment and management in cloud-native environments to ensure apps perform consistently, no matter the underlying infrastructure - an indispensable feature as businesses strive for efficiency and reliability in IT operations. AI and ML workloads present unique challenges regarding data processing, security, and system performance. RHEL 9.5's enhanced support for confidential computing ensures that sensitive data remains protected during AI and ML computations, alleviating one of the chief concerns associated with these technologies. Integration of cutting-edge developer tools and programming languages enables developers to efficiently construct and deploy AI/ML applications while taking advantage of cutting-edge technological advancements. Gunnar Hellekson, Vice President and General Manager of Red Hat Enterprise Linux, underscored the increasing complexity of enterprise IT environments due to emerging technologies like AI, stating, "We are committed to making Red Hat Enterprise Linux the most secure, zero trust platform on the market," emphasizing their company's desire to address such modern complexities. Our Final Thoughts on the RHEL 9.5 Release Red Hat Enterprise Linux 9.5 marks a significant step forward in meeting the evolving demands of enterprise IT environments. RHEL 9.5 gives organizations a secure yet flexible platform to deploy applications quickly while managing workloads efficiently by improving security, streamlining operations, and supporting modern workloads. Red Hat's commitment to innovation ensures RHEL remains an optimal and secure choice in today's complex IT landscape. As enterprises embrace hybrid cloud strategies and next-gen technologies like AI/ML, RHEL 9.5 features and enhancements will be essential instreamlining management, reducing complexity, strengthening security, and ultimately leading to greater efficiency and reliability within IT operations. . Explore the innovations of RHEL 9.5, emphasizing its enhanced security features, efficient automation capabilities, and strong management of AI workloads, reshaping enterprise IT solutions. RHEL 9.5, enterprise security, automation solutions, AI workloads, cloud deployment. . Brittany Day
Nov 14, 2024
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Vendors/Products
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security measuresopen sourcecloud deploymentCanonical 12-Year LTS: Transforming Distroless Container Security
Canonical has made headlines with its groundbreaking long-term support (LTS) service offering to extend far beyond Ubuntu deb packages, promising 12 years of security maintenance for any open-source application or dependency. "Everything LTS means CVE maintenance for your entire open MacOSource dependency tree, including open source not yet packaged as a deb in Ubuntu," announced Mark Shuttleworth, CEO of Canonical, emphasizing its far-reaching benefits. . To help you understand the implications of this groundbreaking announcement, let's examine the concept of distroless Linux images and its benefits for admins and businesses. Unpacking the "Distroless" Concept Canonical's introduction of this revolutionary concept will transform how developers and organizations approach container security and efficiency. Distroless containers dramatically reduce the attack surface by only including application runtime dependencies without unnecessary operating system utilities or libraries, thus significantly decreasing attack surface area and making distroless containers an imposing barrier against potential security vulnerabilities. What Are the Benefits of Distroless Images? Distroless images offer various benefits for businesses, some of the most notable being: Improved Security Posture: Distroless images provide businesses with numerous security benefits by eliminating superfluous software and potential vulnerabilities, further decreasing attack surfaces. Canonical's pledge to fix critical Common Vulnerabilities and Exposures (CVEs) within 24 hours fortifies this advantage, helping keep containers secure against emerging threats while setting a new industry standard regarding container security. Comprehensive Open Source Support: Canonical has maintained its promise of "Everything LTS," providing comprehensive security support for complex software stack applications. Shuttleworth noted the inclusive and flexible nature of Canonical's LTS service by saying they deliver distrolessor Ubuntu-based Docker images according to specifications that they support on RHEL, VMware, Ubuntu, or major public cloud K8s systems, providing vital assurances necessary for organizations navigating compliance landscapes such as FIPS, FedRAMP, or the EU Cyber Resilience Act, among others. Extended LTS: Canonical's 12-plus years of Long-Term Support are unheard of in open-source support. This gives businesses peace of mind when adopting containerized applications without worrying about future maintenance or security headaches. According to Alex Gallagher, Head of Public Cloud Alliances at Canonical, LTS service offers enterprises an indispensable competitive edge. Reinventing Efficiency: Canonical's precision in crafting distroless containers results in secure and efficient images - thanks to weight reduction from eliminating redundant resources such as decoy servers - offering many tangible advantages for any organization. Developer-Friendly: Though the idea of distroless containers might seem intimidating at first, Canonical has made the transition easier by offering familiar tools like Chisel to help developers work within a familiar Ubuntu environment and create, debug, and deploy secure apps efficiently and with confidence. Canonical Partnership Advantage Canonical's partnership with industry giants like Microsoft on containers tailored for the.NET community stands as an impressive testament to the effectiveness and industry acceptance of its distroless strategy. Richard Lander, Product Manager.NET at Microsoft, said, "Working together has led to an improved product." These partnerships not only enhance product offerings but also build trust among both customers and developers. Canonical's platform-agnostic approach to Docker image support is one of its primary competitive advantages. Whether intended for deployment on RHEL, VMware, Ubuntu, or major public cloud Kubernetes services, Canonical LTS containers will run efficiently and securely for efficient deployment acrossthese services without revising existing infrastructures or team policy constraints limiting the adoption of distroless images from Canonical. Canonical's announcement marks a technical advancement and a forward-thinking visionary move toward creating a safer, more efficient, and sustainable open-source ecosystem. By marrying open source with LTS stability, Canonical allows businesses to realize the full potential of their applications without worry over security vulnerabilities or obsolete dependencies. Our Final Thoughts on the Implications of This Announcement Canonical's LTS for distroless Docker images is more than a product offering; it is the cornerstone for future-proofing digital infrastructures. Combining comprehensive benefits spanning security, support, efficiency, and developer experience, Canonical's latest initiative seeks to revolutionize enterprise application development and deployment. As organizations worldwide undertake digital transformation journeys, Canonical's distroless images emerge as valuable tools and guide toward a more secure yet agile future. . Canonical's 12-year Long Term Support for distroless Docker images boosts container security and operational efficiency, reducing potential vulnerabilities and resources needed. Canonical Long Term Support, Distroless Docker Images, Container Efficiency, Open Source Security. . Dave Wreski
Jun 28, 2024
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Vendors/Products
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security innovationopen source benefitscloud deploymentUnderstanding Open Source Adoption And Its Economic Impact
"Open source security is arguably getting better, thanks to vendors like Chainguard and industry consortia like the Open Source Security Foundation . But we have a ways to go, and in the meantime, security, as well as other factors, mean that “free as in beer” is never truly free." . Convenience, not cost, drives open source adoption. That’s the primary finding of a new report from The Linux Foundation on the economic value of open source, and it’s a bit counterintuitive. In an interview with Professor Henry Chesbrough, adjunct professor at UC Berkeley and author of the report, he stressed that while cost is a significant perceived benefit of open source, not everyone finds it cheaper. Yet even the “open source costs more” crowd says the benefits of open source trump the costs. The primary advantage? Availability. In other words: speed of development. Freely downloadable code has never been truly free (as in cost). The bits might be free, but there’s a cost to manage those bits. Developers always cost more than the code they write or manage. This may be one reason that when enterprises were asked what they most value in “open source leadership,” they responded with “makes it easy to deploy my preferred open source software in the cloud.” Companies increasingly want the benefits of open source without the expense of managing it themselves. . User-friendliness, rather than price, fuels the growth of open source technologies. This is the key conclusion of a recent study conducted by The Linux Foundation.. Open Source Adoption, Cost vs Convenience, Security Practices, Cloud Software Benefits. . Brittany Day
Mar 08, 2023
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Security Trends
212
security best practicesLinuxcloud deploymentComprehensive Guide to Securing Linux Containers in Microservices
Containers are considered to be a standard way of deploying these microservices to the cloud. Containers are better than virtual machines in almost all ways except security, which may be the main barrier to their widespread adoption. . This article will provide a better understanding of container security and available techniques to secure them. A Linux container can be defined as a process or a set of processes running in the userspace that is/are isolated from the rest of the system by different kernel tools. . Discover strategies for safeguarding containers that bolster the security of your cloud implementations and microservices architecture.. Container Security, Microservices, Cloud Security. . Brittany Day
May 13, 2022
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Cloud Security
81
Ubuntuprivacy issuedata handlingAzure Ubuntu Instance Sparks Privacy Issues: Customer Outreach Surprise
Security advisor Luca Bongiorni spun up an Ubuntu Linux instance on Azure and was extremely annoyed to receive a sales message from a Canonical representative three hours later. Say what?? Bongiorni openly voiced his frustration, "WHY [did] MICROSOFT FORWARDED TO UBUNTU THAT I SPUN A NEW VM!?!" Customer privacy, what's that?" . It was just another day for Luca Bongiorni, a security advisor for Bentley Systems. He'd just spun up an Ubuntu Linux 18.04 instance on the Microsoft Azure cloud using a corporate sandbox for testing purposes. Three hours later, on Bongiorni's LinkedIn account he received a message from a Canonical sales representative saying, " I saw that you spun up an Ubuntu image in Azure ," and telling him he'd be his "point of contact for anything Ubuntu -related in the enterprise." Say what?? Actually, Bongiorni was a little more "frank" about his annoyance and surprise that a Canonical salesperson had tracked him down on an entirely different service and knew that he had just used Ubuntu on Microsoft Azure. " What the f*** is happening here? WHY [did] MICROSOFT FORWARDED TO UBUNTU THAT I SPUN A NEW VM!?!" Customer privacy, what's that? . Luca Bongiorni shares his concerns regarding data privacy following an unanticipated notification regarding the configuration of his Azure Ubuntu setup.. Azure Cloud, User Privacy, Ubuntu Security. . LinuxSecurity.com Team
Feb 16, 2021
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Privacy
78
security advisoryRed Hat Enterprise LinuxSELinuxRed Hat: EAL 4+ Certification For Cloud Secure Deployment
Red Hat Enterprise Linux 6, including the KVM hypervisor, has been awarded a major security certification used by IT in government, financial and other mission-critical verticals. By receiving the Common Criteria Certification at Evaluation Assurance Level (EAL) 4+, which is the highest level of assurance for an unmodified commercial operating system, Red Hat can assure public sector customers looking at cloud and virtualization will meet a range of important security assurance requirements.. Notably, Red Hat Enterprise Linux 6 features Security-Enhanced Linux (SELinux), a joint project developed with the National Security Agency (NSA). The certification provides assurance that using Red Hat Enterprise Linux 6 with the KVM hypervisor allows providers to host many tenants on the same machine while keeping their virtual guests separated from each other using Mandatory Access Control technology developed by the NSA, according to Paul Smith, Red Hat. Notably, Red Hat Enterprise Linux 6 features Security-Enhanced Linux (SELinux), a joint project deve. enterprise, linux, hypervisor, awarded, major, security, certific. . LinuxSecurity.com Team
Nov 20, 2012
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Vendors/Products
78
network isolationsecurity collaborationvirtualization securityCisco, NetApp, VMware Collaborate on Enhancing Virtualization Security
Cisco, NetApp and VMware announced a project to improve the security of virtualization deployments, with a focus on isolating applications that use the same physical network, server and storage resources in multi-tenant systems.. Cisco, NetApp and VMware Tuesday announced a project to improve the security of virtualization deployments, with a focus on isolating applications that use the same physical network, server and storage resources in multi-tenant systems. Virtualization security remains a work in progress The companies are providing clients a The link for this article located at ComputerWorld is no longer available. . Dell, EMC, and Red Hat announce a collaboration aimed at enhancing safety in cloud environments, focusing on data protection strategies.. Virtualization Security, Cisco Collaboration, Network Isolation. . LinuxSecurity.com Team
Jan 26, 2010
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