Citic Telecom’s Unit Tightens Security After Website Attack

June 20 (Bloomberg) -- Citic Telecom International Holdings Ltd.’s Hong Kong unit said it implemented security measures after its website was hacked and about 2,500 customers’ information may have been leaked. The stock declined.

ComNet Telecom (HK) Ltd. was informed by the Hong Kong police on June 18 of the detection of an attack by hackers, according to Veron Ng, the company’s external spokesman at Strategic Financial Relations Ltd. Citic Telecom shares fell 5.2 percent in the morning session, compared with a 2.5 percent drop in the benchmark Hang Seng Index.

Hong Kong authorities have been following up on claims by former U.S. National Security Agency contractor Edward Snowden in a South China Morning Post report that computers in the city have been the target of U.S. attacks since 2009. China has called on the U.S. to explain the allegations.

ComNet Telecom shut down its website and is performing further security tests, Ng said. The company conducted an audit of its external servers and hasn’t detected unusual activities, she said. As of this morning, ComNet’s website displays only a message saying “we’re performing some maintenance at the moment,” and contents are not accessible.

The company asked customers to change their passwords as a precaution, and is keeping contact with the local police, according to an e-mailed statement yesterday.

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To contact the editor responsible for this story: Hwee Ann Tan at