AI Security
How to Test an LLM App for Prompt Injection: Canaries, Invariants and a CI Suite
You cannot prompt your way out of prompt injection, but you can test for it: canaries, invariant checks, repeated runs and a Python suite your CI can run.
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Technical insights and best practices from our engineering team.
Backup & DR
Ransomware-Proof Backups: Append-Only Storage, Object Lock and the Restore Test Nobody Runs
Backups production cannot delete: a restic append-only server, Object Lock in compliance mode, and an automated restore drill with Prometheus alerts.
OpenSSH
OpenSSH CVE-2026-123158 (SSHole): Who Is Exposed on Alpine and How to Fix It
An OpenSSH flaw lets attackers log in to passwordless accounts on Alpine and other musl systems, and it is being exploited. Who is exposed and how to fix it.