Infrastructure Security
Debian Repository Security: A Practical Hardening Guide
Debian APT is powerful but riddled with trust assumptions. Here is how to lock it down for production environments.
Oct 12, 20226 min read
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
Debian APT is powerful but riddled with trust assumptions. Here is how to lock it down for production environments.
Package signing is the backbone of Linux software distribution security. Most teams trust it blindly without understanding the verification chain they depend on.
Containers are not VMs. When an attacker escapes a container, they own the host — and potentially every other container running on it. Here are the escape techniques you need to defend against.
A 12-year-old memory corruption bug in Polkit's pkexec gave any unprivileged local user instant root access on virtually every major Linux distribution. Here's why it matters.
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