Thousands of TalkTalk and Post Office customers have had their internet access cut by an attack targeting certain types of internet routers. It is not yet known who is responsible for the attack. The attack involves the use of a modified form of the Mirai worm - a type of malware that is spread via hijacked computers, which causes damage to equipment powered by Linux-based operating systems.

To learn more, click here.

For weekly news updates, subscribe to our email newsletter.