Wednesday, July 27, 2016

Brand-Name Wireless Keyboards Open to Silent Eavesdropping

Wireless keyboards from popular hardware vendors are wide open to silent interception at long distances, researchers have found, without users being aware that attackers can see everything they type.

Bastille Research said the keyboards transmit keystrokes across unencrypted radio signals in the 2.4 GHz band, unlike high-end and Bluetooth protocol keyboards, which transmit data in an encrypted format, making it more difficult for attackers to intercept the scrambled keystrokes.

It means attackers armed with cheap eavesdropping devices can silently intercept what users type at distances of 50 to 100 metres away.

Such interception could reveal users' passwords, credit card numbers, security question replies and other personally sensitive information, Bastille said. Users would have no indication that the traffic between the keyboard and the host computer was intercepted.

Furthermore, attackers could inject keystrokes of their own into the signals, and type directly onto users' computers. Again, the attack would be unnoticeable to users in most cases.

Bastille tested eight keyboards from well-known vendors... more

Longtime Security Scrapbook readers may remember my warnings about this beginning in 2007...