Mobile charging stations have cropped up across urban centers and in high-traffic locations in recent years, a convenient resource for reviving dying phone batteries, but the FBI is issuing a new warning against using the hubs.

The agency cited "bad actors" looking to prey on unsuspecting targets by compromising USB ports on the charging hubs to infect plugged-in devices with malware and monitoring software. 

"Carry your own charger and USB cord and use an electrical outlet instead," the FBI said in a tweet.

The agency's warning isn't the first issued to the general public about the potential hazards of public charging stations. In 2021, the FCC issued a "juice jacking" warning as one of the newest cyber-theft tactics.

"Cybersecurity experts have warned that criminals can load malware onto public USB charging stations to maliciously access electronic devices while they are being charged. Malware installed through a dirty USB port can lock a device or export personal data and passwords directly to the perpetrator," the FCC said at the time.

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