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.
CISA suggests encrypted messaging, message expiry and a linked devices check. How to apply them, and where records retention rules get in the way.
Encryption alone does not stop tampering. Why order matters when authenticating ciphertext, what a padding oracle leaks, and why AEAD is the simpler fix.
Criteria for treating a vulnerability as an emergency change instead of routine patching, based on the four scenarios in NIST's patch management guide.
A break-glass path lets you ship past a failing gate when you must. Who can use it, what to record, and how to clean up within a day or two.
ECDSA or RSA for a TLS certificate? Certbot now defaults to ECDSA. Learn how to switch safely, what existing certificates keep, and the test to run first.
ECDSA needs a fresh, unpredictable value per signature. Biased or repeated values can expose the private key. Deterministic nonces fix that.
Dynamic secrets are created on demand and expire on their own. Compare them with static secrets, and see where each one fits in a real system.
Your download page is part of your supply chain. Checklist: HTTPS, signed files, hashes in two places, verification steps and who can edit the page.
Why naming an attacker or root cause too early backfires, and how to phrase what you know, what you believe and what you are still checking in public.
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