Update 3/9/25: After receiving concerns about the use of the term 'backdoor' to refer to these undocumented commands, we have updated our title and story. Our original story can be found here. The ...

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. Update, March 10, 2025: This story now has a statement from ...

ESP32 chips expose crypto wallets and IoT devices to silent attacks. Weak security lets thieves steal private keys and fake transactions. Experts warn against using insecure chips in blockchain ...

The ubiquitous ESP32 microchip made by Chinese manufacturer Espressif and used by over 1 billion units as of 2023 contains an undocumented "backdoor" that could be leveraged for attacks. The ...