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Security Guides

What does ASPM need from SCA to work? A data quality checklist

ASPM is only as good as the findings fed to it. This checklist lists the fields SCA must provide: identity, version, path, fix data, and ownership hints.

Oct 19, 20266 min read
Security Guides

How do you check a container package against OSV by hand?

One curl call to the public OSV API checks a package version from your image against distro data. Here is the request, a real result and how to read it.

Oct 19, 20266 min read
Security Guides

CVSS vs EPSS vs KEV: which should drive your patch queue?

CVSS rates severity, EPSS estimates exploitation odds, and KEV lists confirmed exploitation. Use all three in order to rank dependency fixes sensibly.

Oct 19, 20266 min read
Security Guides

Should open source tools be on your security tool shortlist?

Often yes, as a fair candidate or a baseline. Compare open source and commercial options on effort, support, coverage and exit, not on price alone.

Oct 19, 20267 min read
Security Guides

Why do image scanners match Debian CVEs by source package?

Debian advisories are written against source packages, but images list binary packages. Here is how version epochs and source names affect your scan.

Oct 19, 20266 min read
Security Guides

How do you test a container scanner after every update?

Keep a small set of canary images with known findings and check the scanner reports them after every update. Here is how to build and run the set.

Oct 19, 20266 min read
Security Guides

What to do in the first day after a malicious package is found

A calm hour by hour plan for the first day after you learn a package you use was malicious: contain, scope, replace secrets, clean up and write it down.

Oct 19, 20268 min read
Security Guides

How can a small team protect against supply chain attacks?

A five day plan a small team can follow against software supply chain attacks: lock versions, secure accounts, pin build tools and add a pull request gate.

Oct 19, 20268 min read
Security Guides

RFI, RFP or RFQ: which should you send for security software?

Send an RFI to learn the market, an RFP to compare proposals against your requirements, and an RFQ for fixed specs. How to choose for security tools.

Oct 19, 20267 min read

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