Company being War Dialed

From: Fred Kreitzberg (paranoid_with_causeat_private)
Date: Thu Apr 17 2003 - 16:13:03 PDT

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    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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