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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
2.Motherboard Esm H350
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 1security advisorysecurity issuelinux distribution

Linux: Critical Security Flaw in GCC and Its Recommended Fixes

Everything has security problems, even Linux. An old and obscure problem with the gcc compiler was recently discovered to have left a security hole in essentially every version of Linux that anyone is likely to be running. Here's what you need to know about fixing it.. The problem itself was discovered by Brad Spengler, the hacker behind the open-source network and server security program, grsecurity. What he found was that in some network code, there was a procedure that included a variable that could be set to NULL (no value at all). Now, this didn't appear to be a problem because the programmer also included a test which would return an error-message if the variable turned out to have a NULL value. So far, so good. Unfortunately, the gcc code optimizer on finding that a variable has been assigned a NULL value removed the test! This left a hole, that didn't exist in the original program. Using this hole, and code provided by Spengler, any cracker with sufficient access to a Linux computer could get into the computer's memory and, from there, get into all kinds of mischief. For more on the down and dirty technical details, turn to Jonathan Corbet's story, "Fun with NULL Pointers." The link for this article located at ComputerWorld is no longer available. . The problem itself was discovered by Brad Spengler, the hacker behind the open-source network and se. everything, security, problems, linux, obscure, problem, compiler. . LinuxSecurity.com Team

Calendar 2 Aug 21, 2009 •User Avatar LinuxSecurity.com Team Hacks/Cracks
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[{"id":483,"title":"Self-taught through trial and error","votes":547,"type":"x","order":1,"pct":78.48,"resources":[]},{"id":484,"title":"Formal training or courses","votes":30,"type":"x","order":2,"pct":4.3,"resources":[]},{"id":485,"title":"A job that required it","votes":34,"type":"x","order":3,"pct":4.88,"resources":[]},{"id":486,"title":"Other","votes":86,"type":"x","order":4,"pct":12.34,"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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