An Info Post:
There are various forms of “denial of service” or DoS including via fax machines.
From a 2010 article…
The Anonymous group expanded its WikiLeaks reprisal attacks to include fax machines.
Operation Payback, the campaign run by the group has been encouraging members to overload the fax machines of companies that have cut ties with WikiLeaks, after the whistleblosing site began publishing documents leaked from US embassies. Hacktivists are encouraging members to send faxes to Amazon, MasterCard, PayPal, Visa, Tableau Software and Moneybookers, according to Netcraft.
“The Anonymous collective are being encouraged to send faxes of random WikiLeaks cables, letters from Anonymous, Guy Fawkes, and the WikiLeaks logo to the target fax numbers all day long,” he continued.
For the Full Article Click HERE.