"There were intelligence reports in November, 2011 about probable compromise of computers of Eastern Naval Command based in Visakhapatnam," he told the Rajya Sabha.
In written reply to the House, Antony said that hacking is a constant and real threat worldwide in the cyber domain.
On steps taken to strengthen cyber system, he said, "The matter has been investigated and appropriate steps have been taken to strengthen security of network."
The Defence Minister was replying to a question, "Whether Chinese hackers have succeeded in hacking the sensitive network of Eastern Naval Command based in Visakhapatnam and stealing intelligence inputs."
In reply to a question on detection of Chinese spy vessels in territorial waters of the country recently, the Minister denied any such development.
Replying to a question on construction of border roads in Uttarakhand, Antony said, "The Tanakpur-Tawaghat road having a length of 258.60 kms has been completed to single lane specification. Out of this, 256.72 km is being improved to double lane Specification by BRO."
He further informed the House that 40 kms of road stretch is already completed and work on remaining portion is under various stages of progress, which is planned to be completed by 2019.
The delays in completion of project were caused due to delay in land acquisition and forest clearance and difficulties in availability of construction materials, he said.
