"You need to set up a system, use a sophisticated search engine and employ technical staff. The cost and effort involved is not inconsequential other than the fact that the vigil will not be accepted. But security concerns have got to be given priority," said Kiran Karnik, former Nasscom chairman. Siddhartha Mukherjee, vice-president of Cognizant Technology, agreed: "We need to collaborate with countries, which have such a system and adopt the best. It will cost money but it will be worth it."
TO BLOCK A POTENTIALLY DANGEROUS MAIL
Certain keywords or codes commonly used by terrorists need to be identified. For instance, words like mujahideen, jihad and badla used in the threat mail on Tuesday could be blacklisted. These will then be recognized instantly by a software installed by the service provider.
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