The concern echoes a growing consensus across government and industry that too little oversight is given to the fundamental technologies used to build connected cities. The U.S.-led blacklisting of next-generation 5G mobile networking products made by Huawei Technologies Co. — the type being deployed to connect buildings, machines and people — was driven by fears of espionage or attack by foreign state actors. The Chinese company has repeatedly contested such claims.

In their current states, urban areas with intertwined surveillance, health care and utilities networks in particular lack appropriate levels of security to deflect data breaches and cyberattacks, according to ABI Research.
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