FortiAppSec Cloud incident

Connectivity Issues with Load Balancer Node in us-east-1

Major Resolved View vendor source →

FortiAppSec Cloud experienced a major incident on May 19, 2026 affecting WAF Scrubbing Region - AWS - US East (Ohio) and WAF Scrubbing Region - AWS - US East (N. Virginia), lasting 6d 15h. The incident has been resolved; the full update timeline is below.

Started
May 19, 2026, 02:03 AM UTC
Resolved
May 25, 2026, 05:10 PM UTC
Duration
6d 15h
Detected by Pingoru
May 19, 2026, 02:03 AM UTC

Affected components

WAF Scrubbing Region - AWS - US East (Ohio)WAF Scrubbing Region - AWS - US East (N. Virginia)

Update timeline

  1. investigating May 19, 2026, 02:03 AM UTC

    We are currently investigating an issue causing abnormal connection terminations for services in the us-east-2 (Ohio) region. Current Action: Our engineering teams are actively investigating the cause and working to restore normal service as quickly as possible.

  2. investigating May 19, 2026, 02:05 AM UTC

    We are continuing to investigate this issue.

  3. investigating May 19, 2026, 02:35 AM UTC

    We are continuing to investigate this issue.

  4. investigating May 19, 2026, 03:49 AM UTC

    We are continuing to investigate this issue.

  5. identified May 19, 2026, 03:58 AM UTC

    We are aware of the ongoing service disruption caused by a DDoS attack. Our engineering team is coordinating with AWS emergency response specialists to mitigate the attack and restore normal operations. We will continue to provide updates as more information becomes available.

  6. identified May 19, 2026, 04:12 AM UTC

    We are continuing to work on a fix for this issue.

  7. monitoring May 19, 2026, 05:17 AM UTC

    A fix has been implemented and we are monitoring the results.

  8. resolved May 25, 2026, 05:10 PM UTC

    This incident has been resolved.