It only takes one thing to get someone to reveal their password: asking

This was the week the Twitter and YouTube accounts of the United States Central Command were hacked by a group claiming to be associated with Isis. It was also the week President Obama and David Cameron unveiled proposals to crack down on cyber attacks.

If this video from Jimmy Kimmel is anything to go by, it's not just government that should be concerned about online security. After sending cameras to Hollywood Boulevard, they got strangers to reveal their passwords over and over again - just by asking them.