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Network SecurityPrice Tag 1system 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...
1 min read Network Security
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Server SecurityPrice Tag 1open-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...
3 - 6 min read Server Security
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Vendors/ProductsPrice Tag 1security 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...
5 - 10 min read Vendors/Products
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Security Trends Price Tag 1access 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...
4 - 8 min read Security Trends
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Vendors/ProductsPrice Tag 1incident 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...
4 - 7 min read Vendors/Products
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Price Tag 1web application securityencryption attackcrypto vulnerabilities

Padding Oracle Exploit Tool: Insights and Implications for Web Security

Researchers last week introduced a new penetration-testing tool that makes it possible to capture poorly encrypted Web session data -- such as cookies and HTML parameters. Now they say they're looking into how similar attacks against Web applications can be used to advance attacks against Web-facing databases with sloppy encryption-key deployment.. Demonstrated this spring at Black Hat Europe and officially released last week, the Padding Oracle Exploit Tool (Poet) takes advantage of and automates a side-channel attack called a Padding Oracle Attack, which was introduced to the cryptographic community in 2002. This attack leverages commonly used cryptographic padding oracles that receive cipher text, decrypts it, and replies to the sender whether the padding is valid or invalid. The attack is carried out if attackers can intercept padded messages encrypted in CBC mode, effectively gaining access to encrypted information without a key. "What happens in Web apps is that it is very common for the programmer to send something encrypted to the client/Web browser [and] not to share it with the client, just to store it for some time like cookies, [which] is a perfect scenario to implement what is called 'chosen cipher text attacks,' where the cipher text is modified and [sent] again to the Web application," says Juliano Rizzo, who together with Thai Duong developed Poet. "Poet should help to show that is not easy to implement cryptography correctly, [and] attacks that could look theoretical are very practical and dangerous." The link for this article located at Dark Reading is no longer available. . In today’s digital landscape, the Poet serves as a tool for capturing weakly encrypted data, raising major concerns about web application security and privacy risks. Padding Oracle Attack, Web Application Security, Penetration Testing. . LinuxSecurity.com Team

Calendar 2 Jun 16, 2010 •User Avatar LinuxSecurity.com Team Cryptography
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[{"id":483,"title":"Self-taught through trial and error","votes":545,"type":"x","order":1,"pct":78.42,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.32,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.89,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.37,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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