Blog

Engineering articles and project updates from SecuryBlack.

July 15, 2026rustsecurityengineering

Zero-downtime auto-updates in a Rust security agent

How Ferro Sentry replaces itself in place and delegates restart to the OS service manager — no downtime, no manual intervention.

July 10, 2026securityvpshardening

Continuous VPS Hardening: SSH and Port Exposure Audit

Why automated posture auditing beats manual sysadmin checks: auditing PermitRootLogin, open 0.0.0.0 ports, and exposed databases.