Hackers have defaced ex-convict Kevin Mitnick's company website.
Mitnick, one of the world's best known hackers, shrugged off the attack on his corporate site Defensive Thinking as "quite amusing". He said that no customer data had been compromised and that the attack had not been serious enough for him to call in the FBI.
A hacker calling himself 'BugBear' added a page to Mitnick's website on 30 January, which contained the message: "Welcome back to freedom, Mr. Kevin ... it was fun and easy to break into your box," and included a photograph of a polar bear with two cubs.
According to Associated Press reports this attack was the second to exploit unpatched Microsoft Internet Information Server flaws on the server hosting his website.
Another, similar break-in occurred on 9 February, by a hacker in Texas who asked Mitnick to hire him as Defensive Thinking's security officer.
Mitnick, released from prison three years ago after serving a five-year sentence for hacking offences, said he had not contacted authorities because the break-ins caused no financial loss to his company.
Defensive Thinking advertises "training and expertise to help stop information theft".
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