Airport weapon check 'can be hacked'

Much of the technology used to make sure people are not carrying weapons onto aeroplanes is vulnerable to hacking, a security researcher has warned.

Billy Rios, from Qualys, says that there are fundamental weaknesses relating to being able easily to discover administrator passwords to some equipment.

The BBC's Dave Lee was in Las Vegas at the Black Hat security conference to find out whether hackers are putting safe air travel at risk.