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Security Guides

Agent, agentless or source based scanning: which approach fits?

Three ways to find vulnerabilities, from host agents to cloud API reads to code and dependency scans. What each sees, misses and costs your team to run.

Oct 18, 20263 min read
Security Guides

After you remove a bad package version, what is still compromised?

Removing a bad package version fixes the source only. Built artifacts, caches, lockfiles, secrets and developer machines may still carry the problem.

Oct 18, 20263 min read
Security Guides

AES-GCM or ChaCha20-Poly1305: which authenticated cipher to pick

Both are good authenticated ciphers. Pick by hardware, library support and nonce handling, not by hype. A short decision guide for developers.

Oct 18, 20263 min read
Security Guides

Advisories change after publication: how often records get updated

In OSV, 60 to 90 percent of advisories were last modified more than 30 days after publication. Why a one time scan goes stale and how often to rescan.

Oct 18, 20264 min read
Security Guides

How do you add secret scanning to an old repo without a flood of alerts?

Turn on secret scanning for a legacy repo by recording a baseline, blocking only new secrets, and working through old findings in priority order.

Oct 18, 20264 min read
Security Guides

Adding a co-maintainer safely: roles, access and a trial period

Give a new co-maintainer the lowest role that does the job, add rights in steps, and keep release and settings access separate until trust is earned.

Oct 18, 20263 min read
Security Guides

Active Directory basics for developers: domains, groups and GPO

A plain explainer of Active Directory for developers: what the directory stores, how domain controllers work, and why groups and policy matter to security.

Oct 18, 20264 min read
Security Guides

What is ACME Renewal Information (ARI), and should you enable it?

ARI lets a CA tell your ACME client when to renew. Learn what RFC 9773 says, why a hardcoded 60 day timer fails for 45 day certificates, and what to check.

Oct 18, 20263 min read
Security Guides

HTTP-01, DNS-01 or TLS-ALPN-01: which ACME challenge should you use?

Which ACME challenge fits your setup? HTTP-01 for most public sites, DNS-01 for wildcards and private hosts, TLS-ALPN-01 for proxies. Trade-offs inside.

Oct 18, 20263 min read

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