On 4 April 2013, Darius Bolder walked into the Swiss Cottage branch of Barclays bank in North London and – posing as an IT technician – managed to gain entry to the back office.

Guess what happened next…

Hackers have defaced the BlackBerry blog, angry at RIM’s announcement that they would help the authorities investigate who was responsible for riots which have hit London.

The Metropolitan Police have taken the unusual step of using Twitter to send a message to anyone considering supporting internet attacks against companies and governments.

The warning comes days after the arrest of an alleged hacker suspected of being the spokesperson of Anonymous and LulzSec.