The Sun and The Time's websites have been hacked by an online group claiming to avenge the late News of the World journalist and phone hacking whistleblower Sean Hoare.
The Sun's website url http://www.thesun.co.uk redirects to a false story claiming the paper's owner, News Corp chief Rupert Murdoch, is dead or to the twitter feed of hackers Lulzsec, which is tweeting what it says to be the username and passwords of News International staff, including former chief executive Rebekah Brooks.
The Lulzsec / Anonymous group tweeted on Monday: "Sun/News of the world OWNED. We're sitting on their emails. Press release tomorrow."
They also wrote: "We are Anonymous. We are Legion. We do not forgive. We do not forget. Expect us... RIP Sean Hoare, a pioneer of #hackgate."
The group said they will release more tomorrow, as Rupert Murdoch, his son James and Rebekah Brooks prepare to appear before parliament to anwer questions about the News of the World phone hacking scandal.
A News International spokesperson said: "We are aware of the problem."