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Security Guides

How do you map severity levels between an old and new scanner?

Compare the same findings in both tools, build a severity mapping table, and adjust gate thresholds so the switch does not silently loosen or tighten.

Oct 18, 20263 min read
Security Guides

Manual code review or SAST: what does each one catch?

Tools catch known patterns at scale, people catch intent and design flaws. NIST's SSDF treats them as complements. Here is a split of what to give each.

Oct 18, 20263 min read
Security Guides

Manifest, lockfile or build-time scanning: which SCA approach fits?

Three ways SCA tools discover dependencies: manifests, lockfiles or build-time analysis. Accuracy, effort and failure modes compared, with a test.

Oct 18, 20263 min read
Security Guides

A software vendor shipped a malicious update: what do you do on day one?

Pause the update channel, find which devices took it, ask the vendor for facts and rotate what it could reach. A day one plan for a bad update.

Oct 18, 20263 min read
Security Guides

Make journald logs survive a reboot: persistent storage check

On some Linux servers journald keeps logs only in memory, so a reboot erases evidence. Check Storage=, the /var/log/journal folder and size limits.

Oct 18, 20263 min read
Security Guides

Make invisible security work visible in sprint reviews

Security work that prevents problems leaves nothing to demo. Here are five ways to show it in a sprint review so stakeholders see the value.

Oct 18, 20263 min read
Security Guides

Maintainer account recovery: codes, backups and what to store where

Two-factor authentication protects your publishing account, but losing the second factor can lock you out. Set up recovery before you need it.

Oct 18, 20263 min read
Security Guides

Which log level should security events use: INFO, WARN or ERROR?

Pick log levels by the action an event should trigger, not how scary it sounds. A simple mapping for logins, denials, lockouts and errors, plus the traps.

Oct 18, 20264 min read
Security Guides

Allow list or deny list: how should you filter fields out of logs?

An allow list logs only fields you chose; a deny list masks ones you remembered. Compare both for log redaction, plus a hybrid that survives code changes.

Oct 18, 20264 min read

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