Rajya Sabha member and industrialist Vijay Mallya's personal website has been hacked allegedly by Pakistani hackers with "dire" threats that India's cyber space was not secured being posted on it.

The liqour baron's spokesperson Prakash Mirpuri said today that a complaint in this regard would be lodged with the city police tomorrow. A PakistanI flag was also depicted on the website of the chief of Kingfisher Airlines.

"Dr Mallya's website www.mallyainparliament.com has been hacked and the Pakistani flag has been placed with a dire message from an organisation known as the Pakistan Cyber Army," the spokesperson said.

"A police complaint will be filed with the Cyber Crime as soon as the (Cyber) cell opens on Monday," he added.

Mallya said he was shocked at the defacement of his website.

"This morning when I went into my site, I was utterly shocked to see the Pakistani flag and the message," he said, adding "what was more shocking to me was to see that it was done by some Pakistani outfit."

Mallya said he will report the incident to the Union Government tomorrow.

The defaced site says 'Feel the Pakistan' with danger signs and adds that 'we are sleeping, not dead'

"This is a payback from Pak Cyber Army in return to the defacements of Pakistani sites ! You are playing with fire !, This is not a game kids. We are warning you one last time, don't think that you are secure in this Cyber Space We will turn your Cyber Space into Hell," the site says.

'And make sure that you have someone to Cry Over because we gona literally throw you in the deep sea, Will revenge ! if any pakistani site Hacked by Indian's!' the damaged site adds.

A cyber expert says that ahead of Independence celebrations, cyber attacks on the websites of both India and Pakistan are usually noticed.

"Some websites belonging to Pakistan get defaced while some sites of India get hacked. The hackers leave their mark to show their strength. Moreover, they target well known websites so that the hackers get huge publicity," Cyber Expert Vijay Mukhi