According to Mike Rogers, head of the US National Security Agency (NSA) and chief of the US Cyber ​​Command, China and one or two other countries can launch cyber attacks and cut off power grids in parts of the United States.
The Voice of Germany radio site quoted the Associated Press on November 20th, saying that although it is generally believed that some American opponents are capable of carrying out such cyberattacks, this is the first time that the US national network department publicly makes such statements.
In the House hearings, Rogers also said that the US enemies are conducting regular electronic reconnaissance and can attack industrial control systems such as chemical facilities and water treatment plants.
Some experts said that the U.S. Cyber ​​Command also has the same ability. In theory, it should be able to form a mutual deterrent.
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