Researchers Demonstrate Method for Hacking Voice Interfaces

by Developer.com Staff

"Skill squatting" could cause Alexa to serve malicious content.

At the USENIX Security Symposium, a team from University of Illinois at Urbana-Champaign (UIUC) demonstrated "skill squatting," a new method for hacking Amazon Alexa devices. Simply by giving their skills names that are similar to legitimate skills, hackers can trick Amazon devices into serving malicious content. For example, if "Cat Facts" is a legitimate app that provides information about cats, "Cat Fax" could be malware. Because the voice assistant can't tell the difference between the homophones, it could serve malware.

The researchers demonstrated a far more insidious attack that used a skill called "Am Express" to steal user credentials for their American Express cards.

In response to the paper, Amazon released a statement, which said, "Customer trust is important to us, and we conduct security reviews as part of the skill certification process. We have mitigations in place to detect this type of skill behavior and reject or remove them when identified."

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This article was originally published on Friday Aug 31st 2018
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