By 2027, telecom fraud will remain one of the greatest risks for telecom operators. The development of 5G, eSIM, IoT, and satellite access technologies increases the number of vulnerabilities. For effective protection, a modern anti-fraud system must be integrated with billing, softswitch, CRM, and other network elements into a single ecosystem.
Critical threats for operators
Modern fraud schemes can cause rapid financial losses. Among the most common threats are:
- IRSF fraud: artificial generation of expensive international traffic.
- Wangiri: mass short calls to provoke call-backs to premium-rate numbers.
- SIM-box and bypass: termination of international traffic via local SIM cards.
- SMS pumping and AIT: inflating verification SMS traffic.
- CLI spoofing: caller ID spoofing.
Why deep integration is essential
A softswitch captures technical call parameters (route, duration, signaling), while billing sees the financial context (tariff, balance, limits). Separately, this data does not provide a complete picture, but combining them allows for instant anomaly detection.
For example, during a Wangiri campaign, an integrated architecture allows matching technical data on short calls from the softswitch with financial data from billing and complaints from the CRM. This enables the system to automatically block a risky destination or change routing before significant losses occur.
Requirements for anti-fraud architecture
An effective protection platform must include the following elements:
- Real-time processing: event analysis without delays.
- Hybrid detection: combining static rules with behavioral and graph analytics, as well as AI/ML models.
- Automated response: instant blocking, limit restriction, or routing changes via softswitch and billing.
- Audit trail: preserving decision history for investigations.
Impact on the industry
For the telecom sector, failing to unify security systems leads to direct financial damage from sophisticated fraud schemes and erodes customer loyalty. Conversely, adopting an integrated anti-fraud approach minimizes operators' financial losses, reduces the workload on technical teams, and significantly increases subscriber trust.
Recommendations
To secure your telecom network, take the following practical steps:
- Integrate your anti-fraud platform with billing, softswitch, and CRM into a single ecosystem to combine technical and financial data.
- Implement real-time event processing and hybrid detection methods, including behavioral analytics and AI/ML models.
- Enable automated responses, such as instant blocking or routing changes, to mitigate threats before they cause financial harm.
Prepared by a Software Ukraine member. Original publication.