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Who hasn’t been tempted to click on an enticing video posted to a friend’s Facebook wall, along with an eye-catching tagline such as, “WOW YOU’LL NEVER BELIEVE THIS”? The allure is undeniable, but often, these video clips are actually “likejacking” attacks, where clicking will result in users “liking” the video and posting it to their own wall. Worse than being embarrassing and annoying, likejacking could even be used by cyberscammers to infect PCs or steal identities.