The incidents of war happened in the real world is mirrored in cyber space, given the recent incidents of hacking of government websites by state or non state group of hackers for political, military, espionage purposes. As the world becomes increasingly dependent on the internet and increasingly connected through it, another threat is beginning to loom large – Hacking and defacement of Government website and other cyber infrastructure. Recently, a hacker group from Pakistan calling itself as ‘Pakistan Cyber Army’ made a mockery of the country’s cyber security by infiltrating into the CBI website supposed to be one of the most secure websites as it is maintained by National Informatics Centre, reported to be employing strict cyber security measures.