If you thought it is only your personal comps and servers that can be hacked, just reboot again. A sophisticated bug-free virus is stealthily making its way into critical Indian industrial installations.

Stuxnet is a Windows-specific computer worm, first discovered in July 2010 by VirusBlokAda , a security firm based in Belarus, which has already affected more than 10,000 Indian systems, across power units and petrochemical plants, says leading internet security firm Symantec.