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Re: Company being War Dialed

From: <James.Phillips(at)mutualofomaha.com>
Date: Mon Apr 21 2003 - 13:15:40 EDT

We've seen instances here with the symptoms you describe. In our case, it was a fax marketeer who was war dialing our entire prefix looking for fax machines.
We used a machine with a modem & mgetty+sendfax to confirm by routing a number of unused voice lines to the box.

james r phillips
I/S Security Compliance & Quality Assurance

                                                                                                                                     
                      "Fred Kreitzberg"                                                                                              
                                      cc:                                                                                 
                                                 Subject:  Company being War Dialed                                                  
                      04/17/2003 06:13 PM                                                                                            
                                                                                                                                     
                                                                                                                                     

The war dialing started last night and has continued throught the day. They are being very noisy, staying on the line with a steady beep, beep, beep long enough to leave a voice message. The calling has occcured on two different prefixes so I am concerned my company is being targeted.

Our local service provider's security and fraud team has not been able to identify a single source of the calls.

We have recently done our own War-dail and feel we know all our modems are secured correctly.

Any thoughts on additional steps I should be taking?

thanks
Phred

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The two-day Briefings on May 14-15 features 24 top speakers with no vendor sales pitches. Deadline for the best rates is April 25. Register today to ensure your place. http://www.securityfocus.com/BlackHat-incidents
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Received on Mon Apr 21 13:45:07 2003
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