Key Facts

• Staff at the Co-op have been instructed to keep their cameras on during online meetings as a result of a cyber attack.
• The company's IT teams are trying to make sure that hackers are not inside their systems.
• Co-op closed down some parts of its IT systems to prevent hackers from gaining access.
• Staff are advised not to record or write down information from Teams calls.
• Marks & Spencer, another supermarket, is also dealing with a major cyber attack, though it's unclear if the two incidents are related.
• Co-op has stopped all remote access to its IT systems and workers are told to visit a company location if they need to use work tools.
• Hackers previously accessed the internal messaging systems of other companies, such as Uber and Rockstar Games.