ā01-05-2021 08:33 PM
I am a newbie in cisco internal audit.
our company voice gateway system is hacked and make many toll calls.
I found our internet gateway router (cisco 3925)has a unknown suspicious username and some ip local pool...
we are auditing the system. I am quite confused how our system is hacked. may anyone can help? my questions are:
THX!
Best regards,
Tina
ā01-05-2021 09:49 PM
it all depends on your setup and how you secured your dial plan.
ā01-05-2021 10:41 PM
It is really important to fain knowledge on network segmentation and security. To answer your questions, someone should know your environment (in terms of networking) but also your dial-plan.
George
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