Attack ((exclusive)) — Pbx

The financial and legal stakes of a PBX breach are significant:

The single best feature to block this is least-cost routing restrictions (block all premium/international numbers except a whitelist) plus per-extension outbound call quotas . pbx attack

The attacker uses a software tool to connect to the PBX system and configure the following: The financial and legal stakes of a PBX

: Ensure the PBX is not directly exposed to the public internet. Use firewalls and encrypted connections (SIPS/SRTP) for remote users. pbx attack

Modern PBX systems—especially —are susceptible to a variety of digital threats.

A PBX that has unlimited international calling but no outbound call alerts or per-call spending limits .

: If your business doesn't make international calls, have your provider block them at the trunk level.