SAN FRANCISCO – There?s still much that?s unclear about Tuesday?s revelation that a small group of hackers in Russia have amassed a database of 1.2 billion stolen user IDs and passwords. The company that disclosed the incident, Hold Security, didn?t offer any fresh information Wednesday, but here are five questions we?d like to see answered (and a bonus one that we already know the answer to).

To read the PC World Story, click on PCWorld.Com

To read a cyber crime thriller that chronicles the life of a Russian hacker, click on Amazon.Com