Data443 incident
Edge Firewall Power Loss - TRDU (Tierpoint Raleigh-Durham Datacenter)
Resolved after 7 minutes, on November 24, 2025.
Incident Summary A firewall experienced an unexpected power loss due to its primary power cable becoming disconnected from the PDU (hybrid port connector) during movement of other equipment between cabinets in our Tierpoint RDU data center. The secondary power supply to a different PDU was loose due to heat expansion over time (and hybrid port). This resulted in a complete device outage. Contributing Factors Use of hybrid power cables and connectors that are susceptible to not being locked deeply enough. Lack of strain relief or securing mechanisms (e.g., Velcro ties, locking connectors). Corrective Actions Over the next few weeks: Complete replacement of existing power cables with versions that provide more secure, locking-style connections where possible. Re-apply Velcro/strap-based cable management to ensure all power cords are strain-relieved and anchored better than vendor supplied approaches. Increase physical verification and re-seating of both primary and secondary power supplies on a more frequent basis. Update documentation and review cable-handling procedures with onsite staff. Preventive Actions Implement a standard for using locking or retention-capable power cords for all critical devices. Add periodic checks during maintenance windows to ensure all power connections remain secure. Improve physical cable management around PDUs to minimize accidental contact. --DC Ops Team
Update timeline
- resolved Nov 24, 2025, 08:16 PM UTC
Incident Summary A firewall experienced an unexpected power loss due to its primary power cable becoming disconnected from the PDU (hybrid port connector) during movement of other equipment between cabinets in our Tierpoint RDU data center. The secondary power supply to a different PDU was loose due to heat expansion over time (and hybrid port). This resulted in a complete device outage. Contributing Factors Use of hybrid power cables and connectors that are susceptible to not being locked deeply enough. Lack of strain relief or securing mechanisms (e.g., Velcro ties, locking connectors). Corrective Actions Over the next few weeks: Complete replacement of existing power cables with versions that provide more secure, locking-style connections where possible. Re-apply Velcro/strap-based cable management to ensure all power cords are strain-relieved and anchored better than vendor supplied approaches. Increase physical verification and re-seating of both primary and secondary power supplies on a more frequent basis. Update documentation and review cable-handling procedures with onsite staff. Preventive Actions Implement a standard for using locking or retention-capable power cords for all critical devices. Add periodic checks during maintenance windows to ensure all power connections remain secure. Improve physical cable management around PDUs to minimize accidental contact. --DC Ops Team
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