Google is among several companies putting money into a fund to help safeguard the Internet from possible security flaws in open-source software. Marcio Jose Sanchez/AP hide caption

itoggle caption Marcio Jose Sanchez/AP

A lock icon signifies an encrypted Internet connection. But thanks to a recently discovered (and now fixed) bug, it's been bleeding out information for a few years. Mal Langsdon/Reuters/Landov hide caption

itoggle caption Mal Langsdon/Reuters/Landov

Royal Canadian Mounted Police investigators canvass the London, Ontario, neighborhood around the home of Stephen Solis-Reyes, who has been charged in connection with exploiting the "Heartbleed" bug. Geoff Robins/Reuters/Landov hide caption

itoggle caption Geoff Robins/Reuters/Landov

The Heartbleed bug has exposed up to two-thirds of the Internet to a security vulnerability. iStockphoto hide caption

itoggle caption iStockphoto