Tata Consultancy Services Ltd, (TCS), India’s largest software company, has restored its website tcs.com after hackers allegedly changed its IP address in the DNS records and put it up for sale.
The original TCS.com have the IP address 216.15.200.140. The french hacker has changed the IP address to 205.178.152.154. This is done by changing the DNS records of TCS.com, may be breaking into the account used by the TCS admins in maintaining the DNS accounts.
DNS enables the name resolution from the domain name to IP addresses. IP addresses are somewhat real addresses attached to computers and it is not easy to remember these numbers. Poisining the DNS records can lead to website defacements and other kind of security concerns
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