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Short for denial-of-service attack, a DoS attack is a type of attack on a network that is designed to bring the network to its knees by flooding it with useless traffic. Many DoS attacks, such as the Ping of Death and Teardrop attacks, exploit limitations in the TCP/IP protocols. For all known DoS attacks, there are software fixes that system administrators can install to limit the damage caused by the attacks. But, like viruses, new DoS attacks are constantly being dreamed up by hackers.

Sportsbook Extortion - Rio Sportsbook Letter

UPDATED 9/25/03 11:18 EST

The following are letters from Rio Sportsbook addressing the recent DoS attacks and extortion demands purportedly from a group of Russian hackers:

Valued Customers of the Rio International Group:

First of, I have received many, many encouraging phone calls from our faithful customers. Your support does not go un-noticed, and is very much appreciated. Rest assured we are working very hard to come back online as quickly as possible.

We cannot post exactly what we are doing to remedy the problem for obvious reasons, but we invite you to contact us toll free at 1-800-809-3246 and allow one of our friendly Customer Service representatives to answer any questions you may have.

To place wagers, call 1-800-809-7919.

Sincerely,
Mike
Rio International Sportsbook
Home of the Free 1/2 Point!
1-877-RIO-BETS
1-800-809-3246
1-800-809-7919

September 25, 2003

From: Rio International Sportsbook

We are working to resolve the problem as quickly as possible but unfortunately we don't have a time frame yet, be sure we will let you guys know when we have one.

Meanwhile we apologize for any inconviniences this might cause.

- Rio International Sportsbook

See also: Hackers and Extortion - It's Not Just About Sports Books >>