TCPShield experienced a minor incident on October 27, 2025 affecting Ashburn and Singapore and 1 more component, lasting 21h 52m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- monitoring Oct 27, 2025, 07:28 AM UTC
Starting at 04:21 UTC until 04:42 UTC, our network faced partial degradation due to a new complex attack vector in the following sites: - Singapore - Tokyo - New York Mitigations were applied towards the new vector at 04:42 and can confirm this has subsided immediate impact. Development on automated mitigations began at 05:10 until 06:25, with simulated lab environment testing conducted at 06:45. Lab scenarios confirm the vector is automatically blocked and cannot cause further impact. We have rolled out the new mitigation code to the appliances in the impact sites and are monitoring results.
- resolved Oct 28, 2025, 05:21 AM UTC
This incident has been resolved.