Wangiri 2.0 (Web-Initiated Callback Fraud)

Wangiri 2.0 in context

The radio access network is where mobile devices attach to the operator's infrastructure. Attacks in this layer include IMSI catching, rogue base stations and downgrade attacks; defenses rest on mutual authentication, integrity-protected signaling and Open RAN supply-chain hygiene.

Telecom fraud costs operators an estimated $40+ billion per year. Common vectors include IRSF, Wangiri callback scams, SIM box bypass, PBX hacking and A2P grey routing.

To place Wangiri 2.0 in the wider telecom-security picture, review Revenue Share Fraud, Wangiri, Flash Call Fraud, PBX Hacking, Billing System and Machine Learning (ML): each entry cross-references back to this page so you can walk the topic in either direction.

Related terms

• Revenue Share Fraud
• Wangiri
• Flash Call Fraud
• PBX Hacking
• Billing System
• Machine Learning (ML)
• Wangiri Fraud
• OTT Bypass

Related topic hubs

• Telecom Fraud IRSF, Wangiri, SIM box, PBX hacking and CLI spoofing.
• VoLTE Security IMS/VoLTE signaling risk: SIP, IMS-AKA, media plane attacks.
• IMS Security Training Training on IMS, VoLTE/VoNR, SIP and RCS security.
• Routing Area Update GPRS/UMTS RAU procedure and attack surface.

More from the TelcoSec Glossary

Browse the full TelcoSec Glossary, the Ultimate Guide to Mobile Network Security, or the P1 Arsenal of telecom-security tools.