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Security Guides

Should you log configuration and feature flag changes? How to do it

Yes. Record who changed which setting, from what to what, and why. A change event schema, key settings to watch and how to tie changes to incidents.

Oct 18, 20264 min read
Security Guides

How do you log authorization failures and access denied events?

Log every access denied decision with who, what, which rule and from where. Here are the fields, an example event and the patterns that deserve an alert.

Oct 18, 20264 min read
Security Guides

What admin and privileged actions should an application log?

A checklist of privileged actions to record in an audit trail: role changes, impersonation, data export, config edits and break glass use, with fields.

Oct 18, 20264 min read
Security Guides

How do you list everything you run before you can patch it?

You cannot patch what you have not listed. A small team can build a usable software inventory in an afternoon from repositories, hosts and accounts.

Oct 18, 20263 min read
Security Guides

How do you list the shared libraries a Linux binary needs, safely?

ldd can execute code from an untrusted binary. Use objdump to read NEEDED entries instead, and ldd only on files you trust. Commands and caveats.

Oct 18, 20263 min read
Security Guides

How do I list every container image running in my cluster?

A kubectl command lists every image across namespaces, including init containers, with counts. Learn what it misses and how to feed it to a scanner.

Oct 18, 20263 min read
Security Guides

Where does each package ecosystem keep its license information?

A cheat sheet of where npm, PyPI, Maven, Cargo, NuGet, Composer and Go store license data, which are structured, and where you must read files instead.

Oct 18, 20263 min read
Security Guides

How do scanners detect licenses: manifest, file text or snippet matching?

Scanners read declared metadata, match license file text, or compare code snippets. Each method has different strengths and failure modes. A comparison.

Oct 18, 20263 min read
Security Guides

What should you do when you hit a Let's Encrypt rate limit?

Hit a Let's Encrypt rate limit? You cannot reset it, but it refills. Learn which limits exist, the usual causes, and how to avoid them with staging.

Oct 18, 20263 min read

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