A couple of dutiful hackers have been hijacking thousands of Google’s Chromecast streaming dongles to warn users that the devices can be taken over, and remotely forced to play any YouTube video the attackers’ choose, reports TechCrunch. The CastHack bug exploits a weakness in the Universal Plug and Play (UPnP) networking standard in some routers, which makes some connected devices – like Chromecasts – accessible on the internet. The two hackers, who go by the monikers Hacker Giraffe and J3ws3r, took the opportunity to display a message warning users about the security flaw. They also encouraged people to subscribe to…

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