RestingOwl owl logo RestingOwl
โœ“ OWASP Top 10:2025 ยท โœ“ ASVS 5.0 Aligned ยท โœ“ HaveIBeenPwned k-Anonymity ยท โœ“ MIT Licensed ยท โœ“ Node.js 18+
๐Ÿ›ก๏ธOWASP-aligned ยท Secure by default ยท More packages coming

Every App Has Attack Surfaces. Not Every App Has Defenses. RestingOwl Closes the Gap.

Stop credential stuffing, brute force attacks and breached-password reuse before they reach production.
OWASP-aligned, drop-in security libraries for every stack.

๐Ÿ”Authentication
๐ŸงนInput Sanitization
๐ŸšฆRate Limiting
๐Ÿ—๏ธAuthorization
๐Ÿ“‹Audit Logging
๐Ÿ“‚Secure File Uploading
๐ŸŒREST API Security
โœจMany More
800M+ Known breached passwords in detection database
6 Authentication attack vectors covered per library
10+ OWASP ASVS 5.0 controls traced per library

Security starts with owlauth

Blocks credential stuffing, enforces strong passwords and logs every auth event. Built to the OWASP Authentication Cheat Sheet, starting with Node.js.

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owlauth

@restingowlorg/owlauth
Live

Credential stuffing prevention, breached-password detection, brute force protection, passwordless magic links and security audit logging in one consistent API.

View all packages

What OwlAuth Blocks

Every control is traced to a specific OWASP standard. No guesswork, no checkbox security.

๐Ÿšซ
Credential Stuffing
HaveIBeenPwned k-anonymity check blocks use of known-breached passwords at signup and password change.
OWASP A07:2021
๐Ÿ”’
Brute Force Attacks
Rate limiting hooks, account lockout strategies and failed-attempt tracking built into the auth flow.
OWASP A07:2021
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Weak Password Reuse
zxcvbn strength scoring with context-aware blocking on email, username and custom terms.
OWASP A07:2021
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Password Exfiltration
Passwordless magic links use CSPRNG tokens, stored as SHA-256 hashes, single-use and 15-minute expiry.
OWASP A07:2021
๐Ÿ“‹
Missing Security Logs
Structured audit events with automatic sensitive-field masking and correlation IDs on every auth action.
OWASP A09:2021
๐Ÿ”
Insecure Password Storage
bcrypt and Argon2 for password hashing, SHA-256 for token storage, aligned with OWASP ASVS 5.0.
OWASP A02:2021

Active Threats

Recent CVE advisories and exploit alerts from the RestingOwl security desk.

View all security alerts

The RestingOwl roadmap

OwlAuth is the first package in a wider family of OWASP-aligned security tooling, starting with Node.js and expanding across stacks.

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More App Stacks

First-party integrations for Express, Fastify, NestJS, Next.js, and serverless Node runtimes

๐Ÿ—ƒ๏ธ

More Data Stores

Adapters for MySQL, SQLite, DynamoDB, and other common backends

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Stronger Auth

WebAuthn, passkeys, TOTP-based MFA, and recovery-oriented flows

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Rate Limiting

Built-in rate limiting hooks, lockout strategies, and safer recovery patterns

๐Ÿงน

Input Sanitization

A dedicated package for safe, OWASP-aligned input validation and sanitization

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Secrets and CSRF

Adjacent packages for secrets management, audit logging, and CSRF protection

General FAQ

RestingOwl is an open-source ecosystem of security-first libraries for developers. We focus on aligning every tool with OWASP standards to ensure your applications are secure by default. We are powered by HashBaze.
Unlike general-purpose libraries, RestingOwl is built with a singular focus on security. Every feature is traced back to an OWASP control, ensuring you follow best practices without even trying.
Yes! All our core libraries are MIT licensed and free to use in both personal and commercial projects.
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