by the BBC
A surreptitious scan of the entire internet has revealed millions of printers, webcams and set-top boxes protected only by default passwords. An anonymous researcher used more than 420,000 of these insecure devices to test the security and responsiveness of other gadgets, in a nine-month survey. Using custom-written code, they sent out more than four trillion messages. The net’s current addressing scheme accommodates about 4.2 billion devices. Only 1.3 billion addresses responded.
http://www.bbc.co.uk/news/technology-21875127
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