A group of hackers known as VandaSec claims three ISIS Twitter accounts trace back to computers belonging to the UK government. According to the Daily Mirror, the IP addresses belong to the DWPs London offices. The accounts are used by the British intelligence to identify wannabe terrorists and other members of the organization. The Cabinet Office admitted to selling IP addresses to two Saudi companies earlier this year. The government owns millions of unused IP addresses which we are selling to get a good return for hardworking taxpayers.”]
Source: https://securityaffairs.co/wordpress/42881/hacking/isis-twitter-linked-uk-govt.html