- Most USB thumb drives can be reprogrammed to silently infect computers
- Attackers exploit remote access tools to compromise retail systems
- US judge rules against Microsoft in email privacy case
- Twitter reports a rise in government data requests
- Tor points finger at US researchers after possible compromise of service
In Pictures: Holiday 2012 tablet buying guide - top picks
The tablet market is awash with iOS, Android and Windows 8 models that come in different sizes and with different features, specs and prices. How do you decide? Start with our Holiday 2012 Tablet Buying Guide, which highlights the top picks in 13 categories.