This year's Worms spread through USB devices

Over a quarter of new Worms have been designed specifically to spread through computer-connected USB storage devices, a report claims.

According to the Second International SMB Security Barometer, published by Panda Security, which surveyed 10,470 companies across 20 countries, some 48 per cent of SMEs admit to having been infected by some type of malware over the last year. Specifically, 27 per cent confirmed that the source of the infection was a USB device connected to a computer

Computer worms are self-replicating malware programs. They use computer networks to send copies of themselves to other computers on the network, and it may do so without any user intervention. Unlike a virus, it does not need to attach itself to an existing program.

Worms almost always cause at least some harm to the network, if only by consuming bandwidth, whereas viruses almost always corrupt or modify files on a targeted computer.

So far, these types of infection are still outnumbered by those that spread via email, but it is a growing trend Panda reports.

More information:
www.pandasecurity.com

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