NCSC UK - Recovering hacked accounts

If you think one of your online accounts has been hacked, you should report it as a crime to Action Fraud: Action Fraud

Check out this step-by-step guide by the National Cyber Security Centre UK on how to recover online accounts Recovering a hacked account - NCSC.GOV.UK 

For more information on keeping cycber safe visit You & your family - NCSC.GOV.UK