Grade A — 2 minor.
passive scan · the deep checks need you signed in · scanned 3h ago
This is a passive website security report for github.com, graded A (96/100). We checked its SSL certificate, HTTP security headers, DNS records, email spoofing protection and publicly exposed files — the same surface a browser and a search engine already see.
We found 2 issues on this scan — each has a plain-English explanation and a copy-paste fix below.
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github.com is not protected by DNSSEC. DNSSEC signs your DNS records so resolvers can detect a forged answer — without it, an attacker who can poison DNS could point your domain at their own server without touching anything you control.
These cookies are set without HttpOnly: _octo. Any script on the page — including one injected through an XSS bug or a compromised third-party library — can read them. Session and auth cookies should never be readable by JavaScript.
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