Security Advisory: Immediate Action Required to Prevent PBX Toll Fraud

Businesses using PBX systems exposed to public IP addresses are currently at increased risk of toll fraud attacks.

These attacks can result in:

• Unauthorized international calls
• Unexpected financial losses
• Service disruption

This is an active threat affecting organizations globally.

Immediate steps are required to protect your system, including:

• Updating PBX firmware
• Securing access configurations
• Avoiding direct public IP exposure where possible

At ProVAD, we recommend all partners and customers review their systems without delay.

👉 Read the full advisory here

For assistance, contact our team for support and guidance.