Last week the world was rocked by a tweet issued by the official Associated Press (@AP) Twitter profile that reported that President Barack Obama had been injured after two explosions in the White House.
Except (and of course), the news was fake. There were no explosions at the White House, and President Obama had not been injured. The problem? The source, the @AP Twitter account, was real, and had been compromised by hackers, and Twitter has now warned journalists and media companies that they expect these attacks to continue.