codeguard-0-authentication-mfa Cursor ruleA
codeguard-0-authentication-mfa from santosomar/ai-agents-for-cybersecurity is a Cursor rule: instructions the Cursor agent follows in that repo.
mdr add santosomar/ai-agents-for-cybersecurity/.cursor/rules/codeguard-0-authentication-mfa.mdc@v1.5.0Pins v1.5.0 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 14 of 14 checks passed
- Kind
- Cursor rule
- Repository
- santosomar/ai-agents-for-cybersecurity
- Path
.cursor/rules/codeguard-0-authentication-mfa.mdc- Versions recorded
- 2
- Latest version
- v1.5.0, committed Oct 12, 2026
- First version recorded
- Oct 19, 2025
- Size
- 6,488 bytes
- Repository stars
- 251
- License
- BSD-3-Clause
Authentication and MFA best practices (passwords, MFA, OAuth/OIDC, SAML, recovery, tokens).
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
rule_id: codeguard-0-authentication-mfa ## Authentication & MFA Build a resilient, user-friendly authentication system that resists credential attacks, protects secrets, and supports strong, phishing-resistant MFA and secure recovery. ### Account Identifiers and UX - Use non-public, random, and unique internal user identifiers. Allow login via verified email or username. - Always return generic error messages (e.g., "Invalid username or password"). Keep timing consistent to prevent account enumeration. - Support password managers: `<input type="password">`, allow paste, no JS blocks. ### Password Policy - Accept passphrases and full Unicode; minimum 8 characters; avoid composition rules. Set only a reasonable maximum length (64+). - Check new passwords against breach corpora (e.g., k‑anonymity APIs); reject breached/common passwords. ### Password Storage (Hashing) - Hash, do not encrypt. Use slow, memory‑hard algorithms with unique per‑user salts and constant‑time comparison. - Preferred order and parameters (tune to your hardware; target <1s on server): - Argon2id: m=19–46 MiB, t=2–1, p=1 (or equivalent security trade‑offs) - scrypt: N=2^17, r=8, p=1 (or equivalent) …
Read the whole file at its exact version.
How to install
mdr add santosomar/ai-agents-for-cybersecurity/.cursor/rules/codeguard-0-authentication-mfa.mdc@sha256:3218234099134baaThe line at the top of this page pins the label v1.5.0, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_lwwtnsngadizcs5z)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 2 versions of this file, between Oct 19, 2025 and Oct 12, 2026, about one every 358 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| v1.5.0 latest | 2026-10-12 | 227a2b6 | 6,488 B | A | view · diff |
| v1.0.0 | 2025-10-19 | 52abd04 | 6,469 B | A | view |
Audit of the latest version
- pass: Size between 200 bytes and 200 KB (6488 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
santosomar/ai-agents-for-cybersecurity · 251 stars · license BSD-3-Clause · pushed 2026-10-19 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_lwwtnsngadizcs5z GET https://markdownregistry.com/api/v1/resolve?ref=santosomar/ai-agents-for-cybersecurity/.cursor/rules/codeguard-0-authentication-mfa.mdc GET https://markdownregistry.com/api/v1/blob/3218234099134baa37e4cc13f8fe44038657fa611c21b8ed82cb498931d1fd97
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Guides: Cursor rules vs AGENTS.md · which agent file does what.