5 Unexpected Devices You Didn’t Know Could Spread Malware

When you think of malware, your mind probably jumps to malicious downloads or email attachments. But it turns out, some pretty innocent-looking devices can also be used as sneaky vectors for malicious software. Here are five surprising gadgets that could become malware delivery systems, and how to protect yourself.

1. Headphones and Speakers

Yes, you read that right! Your trusty headphones or speakers could spread malware. This isn’t about plugging them into an infected device but rather using them to transmit data through sound waves. Researchers have demonstrated how malware can convert audio output devices into ultrasonic transmitters.

In one proof-of-concept attack called “AirHopper,” headphones were used to leak data from air-gapped computers by sending high-frequency audio signals that could be picked up by a nearby compromised device with a microphone.

While this kind of attack is rare and highly sophisticated, it shows that even your headphones can be ...