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.
Oct 19, 20264 min read
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Supply Chain Security, in plain English.
Deep dives, practical guides, and incident analyses from engineers who build Safeguard. No fluff, no vendor FUD — just what you need to ship secure software.
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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.
Oct 19, 20264 min read
Security Guides
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.
Oct 19, 20263 min read
Security Guides
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.
Oct 19, 20263 min read
Security Guides
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.
Oct 19, 20264 min read
Security Guides
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.
Oct 19, 20264 min read
Security Guides
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.
Oct 19, 20264 min read
Security Guides
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.
Oct 19, 20264 min read
Security Guides
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.
Oct 19, 20263 min read
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