Your Fire TV hasn't been hacked: Here's what's probably happening

While it is possible your Fire TV can be hacked, there isn't much the hacker can do with it. So, if your Fire TV is acting weird, this could be why.
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Fire OS hack lets you install custom launchers on Fire TV and tablet devices, disable OTA updates, and install blocked apps

Amazon’s Fire TV and Fire Tablet devices run a modified version of Android called Fire OS that allows you to stream music and video from Amazon, Netflix, and a wide ...
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Amazon patches the exploit that supercharged Fire TV and Fire Tablet hacking

Well it was fun while it lasted. Last month xda-developers forum members Pro-me3us unveiled a method for gaining system user privileges on Fire OS devices, giving users more control over the software ...