Kwik Fit has confirmed that its computer network has been infected with malware, disrupting its ability to book in vehicle repairs and handle other customer requests.
The car service specialist began telling customers that the IT systems had gone offline on Saturday, but initially indicated the issue had been rectified the same day.
It has since told the BBC that it is still experiencing some problems.
Falanx Group Ltd (LON:FLX), through its subsidiaries, provides cyber defence and intelligence services to blue chip and government clients worldwide. It operates through Falanx Cyber Defence and Falanx Intelligence divisions.