The protest group that claimed responsibility for bringing down the Home Office website last year is planning to target the BBC in the wake of the Jimmy Savile scandal.

Anonymous, which has become notorious for high-profile cyber attacks and peaceful protests, has taken to social networking websites to warn the BBC that it will face a protest on 1 June.

In a 51 second video posted on YouTube, the group said it was “not best pleased” with the way BBC bosses had handled the Savile scandal and also attacked the licence fee.

“You force them (the public) to pay over £145 to view your idea of what is now worthy,” explained a masked figure, posing as a BBC newsreader.

It also alluded to controversy surrounding the corporation’s use of personal service companies as a mechanism for paying freelancers, including key talent.

The group said: “You have failed the public by tax avoidance of your staff, which Anonymous takes very seriously.”

It added: “We say here to you, [the] BBC, we are Anonymous, we are a legion. We do not forgive, we do not forget. The 1 June 2013, you can expect us.”

Genuine threat

A member of the organisation suggested to Broadcast that the threat of a cyber attack on the BBC’s networks is real.

“I can only answer with: we will have to wait and see,” said the unnamed spokesperson, who uses the Twitter handle @Anon_Online. “We want a peaceful protest but we want to be loud, we want to be seen, we want the people to wake up.”

Anonymous is planning to stage its 1 June protest at New Broadcasting House and told Broadcast that BBC premises in Manchester and Glasgow could also be targeted.

The BBC is understood to be aware of the YouTube video and a spokeswoman said: “We do not comment on security matters.”

One of Anonymous’ most high-profile UK attacks saw it take down the Home Office website in April last year, replacing it with an error message. Time magazine also named Anonymous among its 100 Most Influential People in 2012.