Criminals carry out phone-based DoS attacks on emergency services

http://www.flickr.com/photos/cobannon/3547188058/`

Cyber criminals are tying up emergency phone lines with telephone DoS efforts, according to a top security expert.

TDoS is becoming a common weapon, both of annoyance and to extort cash from targets, including businesses and public service agencies

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Story added 4. April 2013, content source with full text you can find at link above.