News

DDoS Attacks Cause Major Threema Outages

  • Pierluigi Paganini--Securityaffairs.com
  • published date: 2026-08-16 23:38:43 UTC

Large DDoS attacks disrupted Threema, causing severe communication outages. Threema On-Prem users were unaffected by the attacks. Threema suffered multiple large-scale DDoS attacks that disrupted its secure messaging service and caused severe communication is…

DDoS Attacks Cause Major Threema Outages Threema suffered multiple large-scale DDoS attacks that disrupted its secure messaging service and caused severe communication issues. Organizations using Th… [+3522 chars]