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Amazon's Alexa had a slight eavesdropping flaw

A voice enabled shower streams water
A new Moen Alexa-enabled shower displayed at the CES conference in January. Photo: Mandel Ngan/AFP via Getty Images

Researchers at the security firm CheckMarx discovered a security flaw in Amazon's Alexa voice enabled digital personal assistant that could have been used to eavesdrop and transcribe any ambient conversation.

But, there are caveats: The flaw requires a user to not only install, but also run a malicious app on Alexa, and not notice Alexa's trademark blue light never turns off. Amazon has now released a patch, meaning it is not an issue for up-to-date Alexa systems.