Telco giant Colt suffers attack, takes systems offline

Telco giant Colt suffers attack, takes systems offline

Colt Technology Services experienced a cyber incident that disrupted its customer portal and other internal systems, with ongoing efforts to restore normal services. The WarLock ransomware group has claimed responsibility, alleging they stole and are selling the companyโ€™s data, including employee information. #WarLock #ColtCyberAttack

Keypoints

  • Colt Technology Services announced a cyber incident causing service disruptions starting August 12.
  • The attack targeted Coltโ€™s internal systems, with no confirmed data breach involving customer or employee information.
  • Cybercriminals associated with WarLock claimed responsibility and are allegedly selling stolen data.
  • Colt has taken systems offline and is working with third-party cybersecurity experts to restore services.
  • The companyโ€™s customer portal and Voice API platform remain offline as investigations continue.

Read More: https://www.theregister.com/2025/08/15/london_telco_colts_services_disrupted/