How significant is security bug Heartbleed?

Aired: 4/9/2014 | 0:04:49 | Clip
A major lapse in internet security has potentially exposed millions of passwords, credit card numbers, bank information and commonly used websites. The security leak, called “Heartbleed,” was revealed this week but may have existed for years. Hari Sreenivasan learns more from Russell Brandom of The Verge.