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Security – Cisco Blog

Black Hat Europe 2025: Firepower IDS Flags Unwanted P2P on Rented Gear

By: Rene Straube — February 9^th 2026 at 13:00

Rented hardware often carries digital baggage from previous users. Discover how our NOC team used JA3 fingerprints and Cisco XDR to track down unauthorized P2P syncing in London.