Plex Media Has a Big Security Flaw Share Filed to:computer networking Photo: Nicolas Asfouri, Getty Images To sign up for our daily newsletter covering the latest news, features and reviews, head HERE. For a running feed of all our stories, follow us on Twitter HERE. Or you can bookmark the Gizmodo Australia homepage to visit whenever you need a news fix. Plex Media might be best known as the streaming service suited for creating custom TV channels, but it turns out those servers can be abused for more nefarious purposes. On Thursday, the cybersecurity firm Netscout reported that the same custom servers used to host these channels are also being used to beef up denial of service (aka DDoS) attacks — all without Plex’s customers even knowing.