Chinese hackers accused of cyber attacks on IOCs.

The article reports that Chinese hackers penetrated the computer networks of no less than five international oil firms, according to a report issued by the U.S. computer security firm McAfee Inc. in 2011. McAfee chief technical officer George Kurtz says covert cyber attacks were launched against various petrochemical, energy and oil firms since November 2009. Kurtz added that McAfee has identified the network activities, techniques and tools that were used by the hackers.