“USB staustralian_usbsicks containing harmful malware have been left in Australian letterboxes, police in Victoria have warned.

…The devices are “extremely harmful” and should not be used, police say.

It is not uncommon for USB sticks to be used to carry and transmit destructive malware and viruses to computers.

Cybersecurity experts have called the technology “critically flawed“, and in 2014 demonstrated to the BBC how any USB device could be used to infect a computer without the user’s knowledge.”

Read more: http://www.bbc.co.uk/news/technology-37431335