Drinks company C&C Group said its Matthew Clark Bibendum subsidiary was the subject of a cyber-security incident on Friday, which impacted both the Matthew Clark and Bibendum businesses.
C&C said that MCB responded quickly to the incident, enacting its cyber-security response plan and shutting down all of its IT systems.
A forensic information technology firm and legal counsel have been engaged to assist MCB investigate the incident and restore its IT systems as quickly and as safely as possible.
C&C said the issue has not affected the IT systems of the wider group, which continue to operate as normal.
It said that due to the ongoing Covid-19 restrictions, MCB is operating at reduced volumes. In order to minimise the impact of the incident on its operations, it is temporarily supporting customers and suppliers manually, while IT systems are being restored.
C&C said that MCB is in the process of informing its customers and suppliers of the incident and the actions the Company is taking and has notified the relevant authorities, including the Information Commissioner's Office.