Mirai is a type of malware that infects IoT devices (routers, smart cameras, smart TVs) with default passwords and recruits them into botnets used for large-scale cyberattacks. UK home users are at risk if their smart devices use default factory passwords. McAfee Secure Home Platform provides network-level protection against Mirai-type threats.
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Key Points
- Mirai targets devices with unchanged default passwords: routers, CCTV cameras, smart TVs
- Once infected, devices are used in massive DDoS attacks without the owner knowing
- You may not realise your device is infected — Mirai runs silently in the background
- Prevention: change default passwords on ALL network-connected devices immediately
- Use WPA3 or WPA2 encryption on your home Wi-Fi
- Isolate IoT devices on a separate guest network away from your PCs and phones
- Keep router and device firmware updated — Mirai exploits known vulnerabilities
- McAfee Secure Home Platform (compatible routers) monitors all network devices for Mirai-type behaviour
