From Times Online:
INTELLIGENCE chiefs have warned that China may have gained the capability to shut down Britain by crippling its telecoms and utilities.
They have told ministers of their fears that equipment installed by Huawei, the Chinese telecoms giant, in BT’s new communications network could be used to halt critical services such as power, food and water supplies.
The warnings coincide with growing cyberwarfare attacks on Britain by foreign governments, particularly Russia and China.
A confidential document circulating in Whitehall says that while BT has taken steps to reduce the risk of attacks by hackers or organised crime, “we believe that the mitigating measures are not effective against deliberate attack by China”.
Read more .....
My Comment: A good review of China's attempts to hack and control government and other crucial computer networks.