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Security Guides

No reply to your vulnerability report? A researcher's escalation ladder

What to do when a vendor ignores your vulnerability report: follow-up timing, a second channel, a coordinator, and a calm notice before you publish.

Oct 18, 20263 min read
Security Guides

Which API actions should require re-authentication?

A stolen session token should not be enough to change an email or phone number. Here is how to pick actions that need a fresh password or code.

Oct 18, 20263 min read
Security Guides

IMDSv1 vs IMDSv2 on EC2: what changes and how to require v2

IMDSv2 adds a session token to EC2 metadata requests. Learn how it differs from IMDSv1, what can break, and how to require it on your instances.

Oct 18, 20263 min read
Security Guides

Require code owner review on auth, CI and infra paths

Which folders to assign to owners first, how to turn on required code owner review on GitHub, and how to protect the CODEOWNERS file itself from edits.

Oct 18, 20263 min read
Security Guides

How a maintainer requests a CVE through GitHub security advisories

Maintainers can request a CVE ID from inside a draft GitHub security advisory. Steps, what stays private, review time and when GitHub cannot assign one.

Oct 18, 20263 min read
Security Guides

Reporting zero vulnerabilities honestly: what the number can claim

Zero findings means a scan found nothing, not that nothing exists. Learn how to word it, what coverage to state and which caveats belong beside it.

Oct 18, 20263 min read
Security Guides

Reporting a vulnerability to a vendor with no security contact

No security email, no policy, no reply? A step by step path: look for contacts, try the vendor's channels, then a coordinator such as CISA or CERT/CC.

Oct 18, 20263 min read
Security Guides

Replication is not a backup: what it protects and what it copies

Myth versus fact on replicas, mirrors and cross-region copies: they survive hardware loss but faithfully copy deletions, corruption and ransomware.

Oct 18, 20263 min read
Security Guides

Replication is not backup: deletion and corruption copy too

A replica in another region survives a datacenter loss but happily copies a bad delete. Here is what replication covers, what it misses, and the fix.

Oct 18, 20264 min read

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