Exclusive: Cisco cuts ties to China's ZTE after Iran probe  —  (Reuters) - Cisco Systems Inc. has ended a longstanding sales partnership with ZTE Corp after an internal investigation into allegations that the Chinese telecommunications equipment maker sold Cisco networking gear to Iran.

Lawmakers seek to block China's Huawei, ZTE inroads in U.S.  —  (Reuters) - U.S. telecommunications operators should not do business with China's top telecom gear makers because potential Chinese state influence on the companies poses a security threat, the U.S. House of Representatives Intelligence Committee said in a report on Monday.

U.S. Lawmakers Say Huawei Poses Security Threat  —  Congressional Probe Says Huawei Poses National-Security Threat to the U.S.  —  WASHINGTON—A Chinese telecommunications giant that has been attempting to expand in the U.S. poses a national-security threat and may have violated U.S. laws, according to a congressional investigation.