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91199476e1
Closes 36 findings from the project audit. The headline win is correctness: the daemon now actually does what the README claims, all three audit-log integrity layers verify, and the rotation control loop terminates. Critical fixes: - Orchestrator bumps Credential.last_rotated_at on success and writes a sealed credential_versions row, so the policy evaluator stops re-firing the same rotation every tick - Envelope encryption (AES-256-GCM, KEK-wrapped DEK, AAD-bound) is now wired into the rotation success path; the credential_versions table is no longer dead schema - cre audit verify checks all three layers (hash chain + HMAC ratchet + Merkle batches) instead of only the chain - BatchSealerScheduler runs every 300s and on shutdown so audit_batches actually fills with signed Merkle roots - Compliance bundle exports the real audit_batches list and covers public_key.pem under the manifest's checksum - cre run/watch hard-fail without CRE_HMAC_KEY_HEX + CRE_KEK_HEX rather than silently using zero defaults Quality fixes: - HTTP::Client wrapper with connect/read timeouts + bounded retry-with- jitter on 408/429/5xx; Telegram error logs redact the bot token - EventBus dispatch isolates Block subscribers behind select+timeout so one stuck subscriber can't pin the bus - RotationWorker checks rotations.in_flight before dispatching to dedupe duplicate schedules; PG enforces it at the DB via partial unique index - Commit-step failures transition rotations to Inconsistent (a terminal state) and raise a critical alert instead of pretending success - env_file rotator uses per-PID pending paths plus an exclusive flock on a sibling .lock file so two daemons can't race on the rename - Versioned migration runner replaces the soup of CREATE IF NOT EXISTS; SQLite gains BEFORE UPDATE / BEFORE DELETE triggers on audit_events - AuditSubscriber publishes a critical alert + panics by default when log writes fail, instead of silently dropping - Engine.stop drains via an ack channel with a 2s deadline rather than the previous magic 50ms sleep - Policy DSL moved into CRE::Policy::Dsl module (consumers `include` it); multiple matching policies raise PolicyConflictError - Evaluator uses credentials.overdue() per-max_age group instead of loading every credential each tick - AuditRepo gains each_in_range streaming and all_batches enumeration; bundle export streams instead of buffering - New cre verify-bundle <zip> CLI re-runs every check the bundle README documents; new cre tui-demo for synthetic event preview Tests: 179 unit (up from 159), all passing. New rotation_worker_spec, new SigV4 regression vector, new orchestrator success-path coverage (envelope write + last_rotated_at bump + Inconsistent state). Docs: README + learn/00..04 aligned with the post-audit behavior; removed /snooze (was a stub) and the AwsIamKey/Database CredentialKind variants that had no rotators. Added required-env-var documentation. |
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README.md
Cybersecurity Projects 🐉
67 Cybersecurity Projects, Certification Roadmaps & Resources
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67 hands-on cybersecurity projects with full source code, from beginner to advanced level.
Certification Roadmaps
10 structured career paths with certification guides for SOC Analyst, Pentester, Security Engineer, and more.
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Tools, courses, certifications, communities, and frameworks for cybersecurity professionals.
Projects
Beginner Projects
| Project | Info | What You'll Learn |
|---|---|---|
| Simple Port Scanner Async TCP port scanner in C++ @deniskhud |
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TCP socket programming • Async I/O patterns • Service detection Source Code | Docs |
| Keylogger Capture keyboard events with timestamps |
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Event handling • File I/O • Ethical considerations Source Code | Docs |
| Caesar Cipher CLI encryption/decryption tool |
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Classical cryptography • Brute force attacks • CLI design Source Code | Docs |
| DNS Lookup CLI Tool Query DNS records with WHOIS |
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DNS protocols • WHOIS queries • Reverse DNS lookup Source Code | Docs |
| Simple Vulnerability Scanner Check software against CVE databases |
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CVE databases • Dependency scanning • Vulnerability assessment Source Code | Docs |
| Metadata Scrubber Tool Remove EXIF and privacy metadata @Heritage-XioN |
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EXIF data • Privacy protection • Batch processing Source Code | Docs |
| Network Traffic Analyzer Capture and analyze packets |
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Packet capture • Protocol analysis • Traffic visualization Source (C++) | Docs (C++) | Source (Python) | Docs (Python) |
| Hash Cracker Dictionary and brute-force cracking |
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Hash algorithms • Dictionary attacks • Password security Source Code | Docs |
| Steganography Multi-Tool Hide data in images, audio, QR, PDFs, text |
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Multi-format steganography • Zero-width Unicode • Audio LSB • QR exploitation Learn More |
| Ghost on the Wire L2 attack & defense: MAC spoofing + ARP detection |
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ARP protocol • MAC spoofing • MITM detection • L2 trust mapping Learn More |
| Canary Token Generator Self-hosted honeytokens that alert on access |
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Deception defense • Honeytokens • Webhook alerting • Intrusion detection Learn More |
| Security News Scraper Aggregate cybersecurity news |
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Web scraping • CVE parsing • Database storage Learn More |
| Phishing Domain Generator & Quishing Scanner Typosquat generation + QR phishing detection |
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Homoglyph attacks • Typosquatting • QR code analysis • Domain intelligence Learn More |
| SSH Brute Force Detector Monitor and block SSH attacks |
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Log parsing • Attack detection • Firewall automation Learn More |
| Simple C2 Beacon Command and Control beacon/server |
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C2 architecture • MITRE ATT&CK • WebSocket protocol • XOR encoding Source Code | Docs |
| Base64 Encoder/Decoder Multi-format encoding tool |
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Base64/32 encoding • URL encoding • Auto-detection Source Code | Docs |
| Linux CIS Hardening Auditor CIS benchmark compliance checker |
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CIS benchmarks • System hardening • Compliance scoring • Shell scripting Source Code | Docs |
| Systemd Persistence Scanner Hunt Linux persistence mechanisms |
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Persistence techniques • Systemd internals • Cron analysis • Threat hunting Source Code | Docs |
| Linux eBPF Security Tracer Real-time syscall tracing with eBPF |
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eBPF programs • Syscall tracing • BCC framework • Security observability Source Code | Docs |
| Trojan Application Builder Educational malware lifecycle demo |
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Trojan anatomy • Data exfiltration • File encryption • Attack lifecycle Learn More |
| DNS Sinkhole Pi-hole-style malware domain blocker |
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DNS protocol • Blocklist management • Query logging • Network defense Learn More |
| Firewall Rule Engine Parse and validate iptables/nftables rules |
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Firewall internals • Rule parsing • iptables/nftables • V language Source Code | Docs |
| LLM Prompt Injection Firewall Detect and block prompt injection attacks |
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AI security • Prompt injection • Input sanitization • LLM defense Learn More |
Intermediate Projects
| Project | Info | What You'll Learn |
|---|---|---|
| Payload Obfuscation Engine Multi-layer payload obfuscation toolkit |
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Obfuscation techniques • Polymorphism • AV evasion • Signature detection Learn More |
| SIEM Dashboard Log aggregation with correlation |
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SIEM concepts • Log correlation • Full-stack development Source Code | Docs |
| Token Abuse Playground 15+ token vulnerabilities to exploit and fix |
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JWT exploitation • OAuth attacks • Session security • Token forensics Learn More |
| Supply Chain Attack Simulator Fake PyPI package dependency confusion demo |
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Supply chain attacks • Dependency confusion • Package security • PyPI internals Learn More |
| DDoS Mitigation Tool Detect traffic spikes |
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DDoS detection • Rate limiting • Anomaly detection Learn More |
| Secrets Scanner Scan codebases and git history for leaked secrets |
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Secret detection • Shannon entropy • HIBP k-anonymity • SARIF output Source Code | Docs |
| API Security Scanner Enterprise API vulnerability scanner |
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OWASP API Top 10 • ML fuzzing • GraphQL/SOAP testing Source Code | Docs |
| Wireless Deauth Detector Monitor WiFi deauth attacks |
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Wireless security • Packet sniffing • Attack detection Learn More |
| Credential Enumeration Post-exploitation credential collection |
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Credential extraction • Browser forensics • Red team tooling • Nim language Source Code | Docs |
| Binary Analysis Tool Disassemble and analyze executables |
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Binary analysis • String extraction • Malware detection Source Code | Docs |
| Chaos Engineering Security Tool Inject security failures to test resilience |
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Chaos engineering • Security resilience • Credential spraying • Auth testing Learn More |
| Credential Rotation Enforcer Track and enforce credential rotation policies |
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Credential hygiene • Secret rotation • Compliance dashboards • API integration Learn More |
| Race Condition Exploiter TOCTOU race condition attack & defense lab |
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TOCTOU attacks • Double-spend bugs • Concurrent exploitation • Race visualization Learn More |
| Self-Hosted Shodan Clone Internet-connected device search engine |
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Service fingerprinting • Network scanning • OSINT • Search engine design Learn More |
| JA3/JA4 TLS Fingerprinting Tool Fingerprint TLS clients by handshake |
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TLS handshake analysis • JA3/JA4 hashing • Bot detection • Malware C2 identification Learn More |
| Mobile App Security Analyzer Decompile and analyze mobile apps |
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APK/IPA analysis • Reverse engineering • OWASP Mobile Learn More |
| DLP Scanner Data Loss Prevention for files, DBs, and traffic |
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PII detection • GDPR/HIPAA compliance • Pattern matching • Data classification Source Code | Docs |
| Lua/Nginx Edge Backend Full CRUD backend via Lua in Nginx |
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Edge computing • OpenResty • Lua scripting • WAF • JWT at the edge Learn More |
| Privesc Playground 20+ privilege escalation paths to exploit |
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SUID exploitation • Sudo abuse • Cron hijacking • GTFOBins • Capability abuse Learn More |
| SBOM Generator & Vulnerability Matcher Software Bill of Materials with CVE matching |
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SPDX/CycloneDX formats • Dependency analysis • CVE databases • EO 14028 compliance Source Code | Docs |
| Subdomain Takeover Scanner Detect dangling DNS records |
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DNS enumeration • CNAME analysis • Cloud resource claiming • Bug bounty Learn More |
| GraphQL Security Tester Automated GraphQL vulnerability testing |
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Introspection attacks • Query depth DoS • Authorization bypass • Batching abuse Learn More |
| Docker Security Audit CIS Docker Benchmark scanner |
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CIS benchmarks • Container security • Multiple output formats Source Code | Docs |
Advanced Projects
| Project | Info | What You'll Learn |
|---|---|---|
| API Rate Limiter Distributed rate limiting middleware |
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Token bucket algorithm • Distributed systems • Redis backend Source Code | Docs |
| Encrypted Chat Application Real-time E2EE messaging |
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Signal Protocol • Double Ratchet • WebAuthn • WebSockets Source Code | Docs |
| Exploit Development Framework Modular exploitation framework |
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Exploit development • Payload generation • Plugin architecture Learn More |
| AI Threat Detection ML-powered nginx threat detection |
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ML ensemble (AE + RF + IF) • ONNX inference • Real-time detection Source Code |
| Bug Bounty Platform Full vulnerability disclosure platform |
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Full-stack development • CVSS scoring • Workflow automation Source Code | Docs |
| Cloud Security Compliance Dashboard Multi-cloud compliance with CIS, SOC2, HIPAA |
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CIS benchmarks • SOC2/HIPAA compliance • Cost-security optimization • Drift detection Learn More |
| Malware Analysis Platform Automated sandbox analysis |
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Malware analysis • Sandboxing • YARA rules • IOC extraction Learn More |
| Quantum Resistant Encryption Post-quantum cryptography |
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Post-quantum algorithms • Hybrid encryption • Kyber/Dilithium Learn More |
| Zero Day Vulnerability Scanner Coverage-guided fuzzing |
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Fuzzing • Vulnerability research • Crash triage Learn More |
| Distributed Password Cracker GPU-accelerated cracking |
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Distributed systems • GPU computing • Hash cracking Learn More |
| Kernel Rootkit Detection Detect kernel-level rootkits |
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Kernel internals • Memory forensics • Rootkit detection Learn More |
| Blockchain Smart Contract Auditor Solidity vulnerability analysis |
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Smart contracts • Static analysis • Solidity security Learn More |
| Adversarial ML Attacker Generate adversarial examples |
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Adversarial ML • FGSM/DeepFool • Model robustness Learn More |
| Advanced Persistent Threat Simulator Multi-stage APT simulation |
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APT techniques • C2 infrastructure • Lateral movement Learn More |
| Hardware Security Module Emulator Software HSM with PKCS#11 |
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HSM concepts • PKCS#11 interface • Cryptographic operations Learn More |
| Network Covert Channel Data exfiltration techniques |
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Covert channels • Data exfiltration • Steganography Learn More |
| Automated Penetration Testing Full pentest automation |
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Pentest automation • Recon to exploitation • Report generation Learn More |
| Haskell Reverse Proxy Functional reverse proxy with security middleware |
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Functional programming • Reverse proxy design • Security middleware • Haskell Source Code |
| "Monitor the Situation" Dashboard Real-time cyber threat situational awareness |
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Threat intelligence • CVE tracking • MITRE ATT&CK • OSINT • Real-time dashboards Learn More |
| Honeypot Network Multi-service honeypot deployment & analysis |
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Honeypot deployment • Attacker behavior analysis • IOC extraction • MITRE mapping Source Code | Docs |
| Supply Chain Security Analyzer Dependency vulnerability analysis |
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Supply chain security • Dependency analysis • Malicious packages Learn More |
Learn More
Certification Roadmaps - Career paths for SOC Analyst, Pentester, Security Engineer, GRC Analyst, and 6 more tracks
Learning Resources - Tools, courses, certifications, YouTube channels, Reddit communities, and security frameworks
License
AGPL 3.0