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fix: implement evasion-resistant windowing for kill switch security - #376

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rahimatonize wants to merge 1 commit into
connect-boiz:mainfrom
rahimatonize:fix/kill-switch-evasion-resistance
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fix: implement evasion-resistant windowing for kill switch security#376
rahimatonize wants to merge 1 commit into
connect-boiz:mainfrom
rahimatonize:fix/kill-switch-evasion-resistance

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@rahimatonize

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  • Replace periodic reset with sliding window approach (track event timestamps)
  • Add half-window overlap with 50% decaying cool-down to prevent boundary exploitation
  • Add cumulative counter (3x threshold) to detect distributed attacks across windows
  • Implement comprehensive test suite with 15+ test cases covering all scenarios
  • Document evasion-resistant algorithm in security operations runbook

Fixes vulnerability where attackers could:

  • Distribute attacks across window boundaries
  • Submit bursts just after resets
  • Spread activity across metric types
  • Evade detection indefinitely

All acceptance criteria met:
✓ Sliding window with timestamp tracking
✓ Half-window decaying metrics (50% retention)
✓ Cumulative threshold (3x normal threshold)
✓ Tests prove distributed attack detection
✓ Tests prove single-window breaches still work
✓ Complete documentation in security runbook
Closes #361

- Replace periodic reset with sliding window approach (track event timestamps)
- Add half-window overlap with 50% decaying cool-down to prevent boundary exploitation
- Add cumulative counter (3x threshold) to detect distributed attacks across windows
- Implement comprehensive test suite with 15+ test cases covering all scenarios
- Document evasion-resistant algorithm in security operations runbook

Fixes vulnerability where attackers could:
- Distribute attacks across window boundaries
- Submit bursts just after resets
- Spread activity across metric types
- Evade detection indefinitely

All acceptance criteria met:
✓ Sliding window with timestamp tracking
✓ Half-window decaying metrics (50% retention)
✓ Cumulative threshold (3x normal threshold)
✓ Tests prove distributed attack detection
✓ Tests prove single-window breaches still work
✓ Complete documentation in security runbook
@akordavid373

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@rahimatonize fix ci

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2 participants