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Security Guides

Can the person who pushed last approve their own pull request?

GitHub can require approval of the latest push from someone other than the pusher. What the setting does, what it leaves open, and what to pair it with.

Oct 19, 20263 min read
Security Guides

Can reachability analysis ever be perfect? Undecidability explained

No analysis can decide reachability perfectly for every program. Here is why in plain words, and why useful tools still exist and still pay off.

Oct 19, 20263 min read
Security Guides

Can other jobs see secrets passed as command line arguments?

On a shared runner, arguments appear in the process list. Pass secrets through environment variables or files, and keep untrusted jobs on separate runners.

Oct 19, 20264 min read
Security Guides

Can OpenTelemetry baggage leak sensitive data to other services?

Yes. OpenTelemetry baggage travels in HTTP headers to every downstream call, including third parties. What to put in it, what to keep out, and how to check.

Oct 19, 20264 min read
Security Guides

Can middleware alone protect pages on an edge-hosted site?

Middleware is a good first gate but a poor sole one. A 2025 framework flaw let requests skip it. Add checks at the data layer and know your fixed versions.

Oct 19, 20264 min read
Security Guides

Can I email a project's security team to ask about an advisory?

Often no. Apache tells users to ask advisory questions on the project users list, not the security team. Here is where to ask and what to include.

Oct 19, 20263 min read
Security Guides

Can hidden Unicode characters hide malicious logic in copied code?

Yes. Bidirectional control characters can make code display one way and run another. What Trojan Source research found and how to check copied snippets.

Oct 19, 20264 min read
Security Guides

Can developers fork our private repos to personal accounts?

GitHub lets orgs allow or block forking of private repos. How to check your setting, what it does and does not stop, and how to look for stray copies.

Oct 19, 20263 min read
Security Guides

Should client staff be WordPress administrators or editors?

Most client staff only need the Editor role. Keep Administrator for one or two people, since admins can install plugins and manage users. Role guide.

Oct 19, 20263 min read

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