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Advisories
SUSE 15 SP7 Cryptsetup Moderate Buffer Overflow Security Update 2026-2777-1
An update that solves one vulnerability, contains three features and has three security fixes can now be installed.
SUSE Multi-Linux Manager Important Update for 61 Issues 5.1.4
An update that solves 61 vulnerabilities, contains three features and has 65 fixes can now be installed.
SUSE Python-Mistune Important DoS Threat Patch 2026-22495-1
An update that solves one vulnerability can now be installed.
SUSE dnsmasq Important Buffer Overflow Threat Advisory 2026-22496-1
An update that solves three vulnerabilities can now be installed.
SUSE 16.0 Jackson Annotations Important Security Fix 2026-22504-1
An update that solves four vulnerabilities and has one fix can now be installed.
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Featured Articles
Monitoring East-West Traffic with Suricata: Finding Threats Inside Your Network
Most security teams are locked into a perimeter-first mindset. They obsess over north-south...
AryStinger: Why Thousands of Unpatched Linux Routers Are Being Weaponized
More than 4,300 internet-facing devices have been pulled into a newly documented router malware...
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Does Linux Give Users a False Sense of Security? What This Year's Biggest Linux Security Incidents Actually Reveal
If more than 12 million enterprise systems can be exposed by flaws in a security control designed...
Cron Job Abuse For Linux Persistence Mechanisms Detection
A Linux server gets cleaned up after an intrusion. The suspicious process is terminated,...
How Open Source SIEM Architectures Scale Beyond Single-Server Deployments
Building a SIEM is easier than scaling one. Most open-source deployments start as a simple...
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Latest Linux Security News
The Hidden Cost of Enterprise SSH Authentication
How Linux Security Teams Can Prioritize Real-World Attack Paths and Reduce Alert Fatigue
Linux security teams are drowning. Patches, kernel updates, new CVEs every week. SSH exposed here, an old web service there, and a forgotten cron job running as root. On top of that, SIEM dashboards blink all day with alerts that all claim to be “hig...
Linux Security Roundup: Prioritizing This Week's Critical Updates
Before you close out the week, check what still needs to be patched.
Trending News
HOWTOs
How to Check Docker Container Isolation in Linux
Docker makes containers feel like separate, lightweight virtual machines. They have their own hostnames, processes, and networking—but are they actually isolated? Many administrators assume they are without ever verifying the boundaries. If you’ve ev...
How to Investigate Linux Persistence During Incident Response
You’re staring at a service or a cron job that’s giving you a bad feeling. Stop. The most dangerous thing you can do right now is act on that gut feeling alone. Linux systems are inherently noisy—package managers, configuration management, and the oc...
How to Build Behavioral Detections with eBPF on Linux
Building effective behavioral detections starts with understanding how processes behave at runtime, rather than simply collecting more logs. eBPF gives Linux security teams the visibility needed to correlate those behaviors into meaningful detections...
How to Read Linux Audit Logs During an Intrusion
When a security alert fires, the panic often sets in before the analysis. Many administrators instinctively reach for /var/log/auth.log or journalctl, but those logs tell only a partial story. They document successful logins and authentication attemp...
SELinux Troubleshooting: What to Check Before You Disable SELinux
SELinux troubleshooting is a necessary skill for any system administrator. When a service fails despite correct file permissions and ownership, the immediate instinct is often to disable SELinux to confirm if the security policy is the bottleneck. Wh...
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