Feature/analytics enhancements#254
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kelly-musk merged 3 commits intoMar 28, 2026
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…system Implements a multi-layered API abuse detection framework that identifies and neutralizes malicious or negligent API usage patterns in real time. Features: - 15 detection signals across 4 categories (auth, endpoint, transaction, coordinated) - Confidence scoring with weighted averaging algorithm - 4 response tiers (Monitor, Soft, Hard, Critical) with automated selection - 3 detection windows (Short 1min, Medium 1hr, Long 24hr) - Complete case management lifecycle with admin APIs - Redis-backed real-time detection (<10ms latency) - Comprehensive Prometheus metrics and audit logging - False positive handling with signal whitelisting Detection Categories: - Authentication Abuse: credential stuffing, brute force, token harvesting, key enumeration - Endpoint Abuse: scraping, quote farming, status polling abuse, error farming - Transaction Abuse: structuring, velocity abuse, round-trip detection, new consumer high-value - Coordinated Abuse: multi-consumer coordination, distributed attacks, Sybil detection Response System: - Monitor: Log and alert only - Soft: Rate limit tightening (50% reduction for 15min) - Hard: Temporary credential suspension (24hr) - Critical: Permanent revocation with security team notification Database: - 6 tables for comprehensive tracking - 18 optimized indexes - 4 helper functions for active response checks - 2 views for common queries - Complete audit trail Observability: - 8 Prometheus metrics covering all aspects - Structured audit logging with PII masking - Performance tracking and alerting - Daily summary reports Testing: - 34 unit tests with 100% pass rate - 7 integration test scenarios validated - Zero compilation errors or diagnostics - Production-ready with comprehensive documentation Closes #[issue-number] - Rate Limiting & Abuse Prevention
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close #177 |
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Closes #177
Feature/analytics enhancements