Thailand's Prime Minister, Yingluck Shinawatra, fell victim to the hacking menace when her Twitter account was hacked. While celebrities and popular figures have been the target of hackers, it was media house Fox News who faced their ire in July this year. In a gruesome joke, the hackers tweeted the death of president Obama. Facebook crosses one billion active users mark Hackers played a cruel joke on French President Nicolas Sarkozy when they posted a fake resignation letter from his Facebook page. Selena Gomez Lady Gaga Hackers defaced a website belonging to Blackberry maker Research in Motion soon after the company revealed its plans to support police investigating the London riots. Hollywood star Ashton Kutcher. In one of the biggest data breaches, Sony admitted to an external intrusion which exposed personal information of 77 million PlayStation Network users. Kim Kardashian went into a panic mode when her Twitter account was hacked by internet pranksters this year. On discovering fake tweets posted by an imposter, the socialite appealed to bosses of the site to help restore the security on her account.