Colt Telecom Experiences Prolonged Outage Following WarLock Ransomware Attack

August 18, 2025 - 11:36

Colt Telecom has been grappling with significant service disruptions after falling victim to a WarLock ransomware attack that began on August 12. The cyber assault has severely impacted various services, including hosting, porting, Colt Online, and the Voice API, leaving many customers in the lurch.

The company has been working diligently to restore full functionality, but the extent of the damage has led to multi-day outages that have frustrated users and businesses relying on their services. In a statement, Colt acknowledged the challenges posed by the attack and expressed commitment to resolving the issues as swiftly as possible.

Experts suggest that ransomware attacks like this one are becoming increasingly common, highlighting the importance of robust cybersecurity measures. As Colt Telecom continues its recovery efforts, the incident serves as a stark reminder for organizations to prioritize their digital security and prepare for potential threats in an evolving cyber landscape.