CYPHER Learning incident

CYPHER for Academia DDoS Attack

Major Resolved View vendor source →

CYPHER Learning experienced a major incident on September 18, 2025 affecting CYPHER for academia, lasting 12h 11m. The incident has been resolved; the full update timeline is below.

Started
Sep 18, 2025, 03:19 AM UTC
Resolved
Sep 18, 2025, 03:30 PM UTC
Duration
12h 11m
Detected by Pingoru
Sep 18, 2025, 03:19 AM UTC

Affected components

CYPHER for academia

Update timeline

  1. identified Sep 18, 2025, 03:19 AM UTC

    We are currently experiencing a DDoS attack on CYPHER for Academia and are working to mitigate it. We expect to have this resolved within a few minutes.

  2. identified Sep 18, 2025, 07:17 AM UTC

    We are still working on the issue and will provide updates as soon as possible.

  3. identified Sep 18, 2025, 11:48 AM UTC

    While the application is up and running, we are still experiencing sluggishness resulting in numerous timeout requests. We continue to work to mitigate this.

  4. resolved Sep 18, 2025, 03:30 PM UTC

    All performance issues have been resolved and operations have returned to normal. We will continue to monitor the platform to ensure no further issues occur.