virtual currency

Another Bitcoin Site Bites the Dust

Just a week after one of bitcoin's major exchanges, Mt. Gox, went offline, a bitcoin bank has been forced to close after hackers stole $600,000 worth of the virtual currency.

Bitcoin Exchange Mt. Gox Goes Dark

The website of major bitcoin exchange Mt. Gox goes offline amid reports it suffered a debilitating theft, a setback for efforts to gain legitimacy for the virtual currency.

A Short Guide to Understanding Bitcoin

The bitcoin market is full of risks -- risks that may make bitcoins worth as much as a foil-wrapped piece of chocolate. Here's what to know about this digital currency.

Top 10 Looming Computer Security Threats of 2012

Cyber-security no longer means only protecting your computer from ne'er-do-wells. Hackers are cracking codes on all sorts of devices and getting sneaky about breaking into everything from cell phones to car systems.