Security Guides

Why should each payment service have its own credentials?

Shared credentials hide the source of a leak and widen the damage. Give each payment service its own secrets with narrow access and its own audit trail.

Why do scanners miss business logic flaws, and what can QA do?

Scanners cannot judge whether a valid looking action breaks a business rule. QA can, using abuse cases, state testing and the rules of the process.

Why does an open source project need two GitHub organization owners?

With one organization owner, a project can become unreachable if that person disappears. GitHub recommends at least two owners. What to check and fix.

Why "no known vulnerabilities" is the wrong answer to a customer

Claiming zero vulnerabilities in open source dependencies invites doubt. Say what you found, what you did about it, and how you keep watching instead.

Why must Firefox extensions be signed by Mozilla, and what does it cover?

Release and beta Firefox only install extensions signed through addons.mozilla.org. What signing involves, where unsigned ones run, and what it lacks.

Is it safe to mount the Docker socket into a container?

No. Access to the Docker socket is control of the host's containers, and mounting it read-only does not help. Here is why and what to use instead.

Why does Maven pick an old library version, and does it matter?

Maven uses the nearest definition, not the newest version. That can keep a vulnerable transitive library on your classpath. Here is how to see and fix it.

Why is an exploited CVE not in the CISA KEV catalog?

KEV needs three things: a CVE ID, reliable evidence of active exploitation, and clear remediation guidance. A missing entry may just be missing one of them.

Why does ssh offer all your keys to every server?

With no IdentityFile set, ssh tries default keys and your agent keys. IdentitiesOnly limits it to the key you name. Config example and steps inside.

Why does reachability analysis say unknown, and what do you do?

An unknown reachability result means the analysis could not prove a path either way. Here is why that happens and how to handle it without guessing.

Why does npm run node-gyp when a package has a binding.gyp file?

If a package has a binding.gyp file and no install script, npm defaults to node-gyp rebuild. That compiles native code on your machine during install.

Why does a forgotten beta API host bypass your rate limit?

OWASP's inventory scenario: the same API on a beta host without the rate limiter. Why controls in front of one host miss others, and how to check yours.