<ul data-eligibleForWebStory="true"><li>Hacks include prank traffic lights, classroom Rickroll, robot vacuums, Lenovo website, Twitter pranks.</li><li>Hackers targeted traffic lights with Zuckerberg and Musk voices, students performed classroom Rickroll.</li><li>Ecovacs robot vacuums hacked, Lenovo website defaced, Twitter accounts hijacked for pranks.</li><li>Lessons learned: avoid weak passwords, use strong, unique passwords for online security.</li></ul>

The top-five funny school, social media, and IoT hacks | Kaspersky official blog

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