From 1b0c6a442091e7cc9cd8d7dd4f4515e793348eb7 Mon Sep 17 00:00:00 2001 From: lockbitchat Date: Sat, 9 Aug 2025 13:09:21 -0400 Subject: [PATCH] Create SECURITY.md --- SECURITY.md | 166 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 166 insertions(+) create mode 100644 SECURITY.md diff --git a/SECURITY.md b/SECURITY.md new file mode 100644 index 0000000..d7a3561 --- /dev/null +++ b/SECURITY.md @@ -0,0 +1,166 @@ +# Security Policy + +## 🛡️ Security Overview + +LockBit.chat is built with security-first principles. We take security vulnerabilities seriously and appreciate responsible disclosure from the security community. + +## 🔒 Security Features + +### Cryptographic Implementation +- **Key Exchange:** ECDH P-384 (NIST recommended curve) +- **Encryption:** AES-GCM 256-bit with authenticated encryption +- **Digital Signatures:** ECDSA P-384 for message authenticity +- **Perfect Forward Secrecy:** Automatic key rotation every 5 minutes +- **Non-extractable Keys:** All cryptographic keys are hardware-protected +- **MITM Protection:** Out-of-band verification codes + +### Architecture Security +- **Zero-trust Model:** No central servers to compromise +- **P2P Direct:** WebRTC encrypted channels +- **No Data Persistence:** Messages exist only in memory +- **Rate Limiting:** Protection against spam and DoS +- **Replay Protection:** Sequence numbers and message IDs + +## 🚨 Supported Versions + +| Version | Supported | +| ------- | ------------------ | +| 4.0.x | ✅ Yes | +| < 4.0 | ❌ No | + +## 📋 Reporting a Vulnerability + +### 🔴 Critical Vulnerabilities +For **critical security issues** that could compromise user safety: + +**DO NOT** create a public GitHub issue. + +**Contact us privately:** +- 📧 **Email:** security@lockbit.chat (PGP key below) +- 🔒 **Signal:** +[REDACTED] (ask for Signal number via email) +- 🔐 **Keybase:** @lockbitchat + +### 🟡 Non-Critical Issues +For general security improvements or non-critical findings: +- Create a GitHub issue with `[SECURITY]` prefix +- Use our security issue template + +## 📝 Vulnerability Disclosure Process + +1. **Report:** Send details to security@lockbit.chat +2. **Acknowledgment:** We'll respond within 24 hours +3. **Investigation:** We'll investigate and keep you updated +4. **Fix:** We'll develop and test a fix +5. **Disclosure:** Public disclosure after fix is deployed +6. **Credit:** We'll credit you in our security hall of fame + +### Timeline Expectations +- **Initial Response:** < 24 hours +- **Status Update:** Every 72 hours +- **Fix Timeline:** Critical bugs < 7 days, Others < 30 days + +## 🏆 Security Hall of Fame + +We maintain a hall of fame for security researchers who help improve LockBit.chat: + + +*Be the first to help secure LockBit.chat!* + +## 🔍 Security Audit History + +### Independent Audits +- **Pending:** Professional cryptographic audit (Q2 2025) +- **Community:** Ongoing peer review by security researchers + +### Internal Security Measures +- **Code Review:** All cryptographic code reviewed by multiple developers +- **Testing:** Comprehensive security test suite +- **Dependencies:** Regular security updates for all dependencies + +## 🛠️ Security Best Practices for Users + +### For Maximum Security: +1. **Verify Authenticity:** Always verify out-of-band codes +2. **Use Official Source:** Only use https://lockbit.chat +3. **Keep Updated:** Use the latest version +4. **Secure Environment:** Use updated browsers on secure devices +5. **Lightning Wallets:** Use reputable Lightning wallets (Alby, Zeus, etc.) + +### Red Flags: +- ❌ Codes don't match during verification +- ❌ Unusual connection behavior +- ❌ Requests for private keys or seed phrases +- ❌ Unofficial domains or mirrors + +## 🔬 Security Research Guidelines + +### Scope +**In Scope:** +- ✅ Cryptographic implementation flaws +- ✅ WebRTC security issues +- ✅ Authentication bypass +- ✅ Input validation vulnerabilities +- ✅ Client-side security issues + +**Out of Scope:** +- ❌ Social engineering attacks +- ❌ Physical attacks on user devices +- ❌ DoS attacks on user connections +- ❌ Issues requiring physical access +- ❌ Lightning Network protocol issues + +### Research Ethics +- **No Disruption:** Don't interfere with live users +- **Responsible Disclosure:** Follow our disclosure timeline +- **No Data Harvesting:** Don't collect user communications +- **Legal Compliance:** Follow all applicable laws + +## 📊 Security Metrics + +We track and publish these security metrics: +- **Response Time:** Average time to acknowledge reports +- **Fix Time:** Average time to deploy fixes +- **Vulnerability Count:** Number of reported/fixed issues +- **Audit Coverage:** Percentage of code under security review + +## 🔄 Security Updates + +### How We Notify Users: +- **Critical:** Immediate notification on website +- **Important:** GitHub releases and social media +- **Minor:** Regular update cycles + +### Auto-Update Policy: +- **Critical Security Fixes:** Automatic for web version +- **Feature Updates:** User-controlled +- **Breaking Changes:** Advance notice with migration guide + +## 🤝 Working with Security Researchers + +We value the security community and offer: +- **Recognition:** Public credit and hall of fame listing +- **Swag:** LockBit.chat merchandise for quality reports +- **References:** LinkedIn recommendations for exceptional work +- **Early Access:** Beta access to new security features + +## 📚 Security Resources + +### Technical Documentation: +- [Cryptographic Architecture](docs/CRYPTOGRAPHY.md) +- [P2P Security Model](docs/P2P-SECURITY.md) +- [Lightning Integration Security](docs/LIGHTNING-SECURITY.md) + +### External Resources: +- [WebRTC Security Guide](https://webrtc-security.github.io/) +- [Web Crypto API Best Practices](https://www.w3.org/TR/WebCryptoAPI/) +- [Lightning Network Security](https://lightning.network/lightning-network-paper.pdf) + +## 📞 Contact Information + +- **Security Team:** security@lockbit.chat +- **General Contact:** lockbitchat@tutanota.com +- **GitHub Issues:** https://github.com/lockbitchat/lockbit-chat/issues + +--- + +*This security policy is reviewed and updated quarterly. Last updated: 08/09/2025*