The group included the heads of the Federal Bureau of Investigation, the CIA, the NSA, and the director of national intelligence.
People, companies, and other entities should be highly wary of using smartphones made by Chinese firms, according to several us senators and top intelligence officials. So far, none has been provided.
By using these phones, Federal Bureau of Investigation director Chris Wray argues, it opens up the potential for "foreign governments that don't share our values to gain positions of power inside our telecommunications networks".
"That provides the capacity to exert pressure or control over our telecommunications infrastructure". He also said it "provides the capacity to conduct undetected espionage".
When asked by a lawmaker during the hearing, all of those in attendance to testify said they would advise Americans to not use products or services from Huawei.
Speaking to Reuters, an unnamed official said the United States government wants to "build a network so the Chinese can't listen to your calls". The Huawei Mate 10 Pro was supposed to be the Chinese ... Reports said USA lawmakers urged AT&T to pull out of the deal.
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There has been no similar research conducted in recent years but USA intelligence agencies have repeatedly claimed Huawei poses a security risk.
A Huawei spokesman said the company is aware of "U.S. government activities seemingly aimed at inhibiting Huawei's business in the USA market".
Huawei has responded to claims from top U.S. intelligence agencies that it poses a potential risk, telling TechRadar it "poses no greater cyber security risk than any ICT (information and communications technology) vendor".
But the USA lawmakers aren't sold with Huawei's reassurance.
In January, U.S. Rep. Mike Conaway, R-Texas, proposed a bill to ban all government agencies from purchasing equipment or services from Huawei and ZTE, anxious that any usage of Huawei and ZTE equipment "would be inviting Chinese surveillance into all aspects of our lives".
Senator and Senate Intelligence Committee chairman Richard Burr added: "The focus of my concern today is China, and specifically Chinese telecoms companies like Huawei and ZTE that are widely understood to have extraordinary ties to the Chinese government". This could include altering information or stealing it altogether.