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Security Guides

Can developers bypass an admission webhook by setting a label?

Yes, if a webhook relies on an objectSelector. Kubernetes docs say users may skip it by setting labels, so use admin owned namespace labels for policy.

Oct 18, 20263 min read
Security Guides

Can a CSP stop a compromised script from sending data out?

A CSP can limit where scripts send data with connect-src, form-action and img-src, but it will not block every channel. See what to set and what remains.

Oct 18, 20263 min read
Security Guides

Can anyone see my Dockerfile commands from a published image?

Yes. docker history lists the command behind every layer, including build arguments. Learn what it exposes and how to keep secrets and internals out.

Oct 18, 20263 min read
Security Guides

Can an automatic fix pull request fix a leaked secret?

A fix pull request can remove a hardcoded secret from code, but it cannot make the secret safe. Revocation comes first. What a bot can and cannot do.

Oct 18, 20263 min read
Security Guides

Can admission webhooks intercept TokenReview and SubjectAccessReview?

No. Kubernetes docs say webhooks are not called for virtual auth review resources, and interception is deprecated as of v1.37. Check your webhook rules.

Oct 18, 20263 min read
Security Guides

Can a security scanner run offline or air-gapped? Questions to ask

Offline scanning is possible only if data updates, licensing and results all work without the internet. Questions to ask any vendor before you rely on it.

Oct 18, 20263 min read
Security Guides

Can a JupyterLab extension run code on the server, kernel and browser?

Per the JupyterLab docs, an installed extension can execute arbitrary code on the server, kernel and browser. Here is why that matters and what to do.

Oct 18, 20263 min read
Security Guides

Can a bug bounty program replace a penetration test?

A bug bounty is open ended and reactive, while a pen test is scoped and planned. Here is why they are not substitutes and how to decide between them.

Oct 18, 20263 min read
Security Guides

Caddy reverse proxy: forwarded headers and trusted_proxies

Caddy ignores client X-Forwarded headers by default and sets its own. When to configure trusted_proxies, how Host is passed, and what to check upstream.

Oct 18, 20263 min read

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