The automated online scanning tool simulates a search that someone looking for fraudulent material would run.

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He then used the scanning tool NMAP to dig up thousands of vulnerable machines visible on the Internet.

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Bowes, a consultant with Dash9 security and a developer for security scanning tool NMap, says he collected the passwords to help researchers figure out how users choose passwords and make the authentication process more secure.

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His company has released a scanning tool to find vulnerable UPnP devices, and suggests users disable UPnP on both any endpoint devices that use the protocol on their internal network as well as their Internet router.

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From being the orphan of scanning methods, therefore, ultrasonics looks as though it may become a general-purpose medical tool.

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