Colt Technology Services, a major UK-based telecommunications provider, continues to experience service disruptions following a serious cyberattack that began on August 12. The Colt cyberattack has impacted several of the company’s critical systems, including hosting and porting services, the Colt Online customer portal, and its Voice API platform.
As of August 18, the cyberattack on Colt has resulted in a multi-day outage that has affected both internal operations and external support systems. In response to the breach, the company has proactively taken several platforms offline as a precaution, disrupting regular business functions.
“We’re really sorry that some of our support systems, including Colt Online and our Voice API platform, continue to be unavailable,” Colt said in a statement issued on August 16 at 09:05 BST. “Please rest assured, we’re working urgently to resolve the issue and restore access as quickly as possible.”
The Colt Cyberattack Originated from the Internal System
Colt disclosed that the cyber incident was detected on one of its internal systems, which is reportedly isolated from customer infrastructure. The company implemented protective measures, including temporarily suspending certain services and notifying the relevant authorities.
“We detected the cyber incident on an internal system,” Colt confirmed in an update on August 14 at 17:30 BST. “This system is separate from our customers’ infrastructure. We took immediate protective measures to ensure the security of our customers, colleagues, and business.”
Colt’s IT teams have been working “around the clock” since the onset of the Colt cyberattack. The company is currently operating in a more manual capacity while efforts are underway to restore automated monitoring and customer-facing services fully.
On August 15 at 17:00 BST, the company stated:
“We completely understand how frustrating it is not being able to access some of our services right now. We have the capability of monitoring our customers’ networks, and we continue to manage network incidents efficiently, but we’re working in a more manual way than normal.”
Despite the severity of the disruption, Colt has reiterated that customer security remains intact, and no reports of data loss or compromise have been confirmed so far.
Communication Channels Remain Open
Colt has continued to offer customer support via email and phone, although response times are slower due to system limitations. The company has issued frequent updates on its service status page, aiming to maintain transparency during the recovery process.
“We appreciate it’s frustrating not being able to use some systems currently, including Colt Online and our Voice API platform,” Colt wrote on August 15 at 08:00 BST, adding that they are “grateful for your understanding.”
At this time, Colt has not provided a definitive timeline for when services will be fully restored. The company is collaborating with third-party cybersecurity experts and government authorities to investigate the breach and ensure long-term protection against similar threats.
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