The hazard of unsophisticated and poorly secured Internet of Things (IoT) devices came to the front last year with the Mirai DDoS attack that involved nearly a million bots. Many of these devices remain a threat.
Researchers have posed an original solution to the problem: Use the vulnerability of these devices to inject a white worm that secures the devices. It is an epidemiological approach that creates immunity with a vaccine by exposing the immune system to a weakened form of the disease.
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These devices are still a threat because some cannot be fixed because they have hard-coded back doors. Other insecure devices have software or firmware vulnerabilities that cannot be fixed because product designers did not include a software updates mechanism.
Source: NW Security 1