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Seccomp, AppArmor, SELinux: Where Linux Security Controls Fall Short
Most Linux hardening work stays focused on access. Flip on a control, lock things down, move on. Doesn't mean you're actually covered.
Ubuntu Copy Fail High Local Privilege Escalation Threat Advisory 2026-31431
Most Linux hardening focuses on access. This vulnerability bypasses that entirely.
Kernel Hardening Trends: Whats Changing in Upstream Security Controls
Think about Linux security like the structural integrity of a building. Most information security best practices focus on the front door''locks, cameras, and ID badges. That's the "policy" layer. It's great for keeping people out, but it doesn't address what happens to the foundation if those locks fail.
Ubuntu PackageKit Critical Local Privilege Escalation CVE-2026-41651
Most information security best practices are built on a single, comfortable assumption: that the "root" gate is locked and only the administrator holds the key. We assume that unless we explicitly hand over credentials, the core of the system is off-limits.