Solutions / Route Integrity

Fraud Prevention

SIM box detection, IRSF screening, Wangiri callbacks, refiling alerts. Continuous monitoring, not calendar-driven compliance.

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The fraud landscape

$41.82B lost in 2025. Still rising.

CFCA’s 2025 survey put global telecom fraud losses at $41.82 billion, up nearly $3B on 2023. The top five fraud types account for over half of it. We screen for all five, plus the long tail.

SIM box

SIM box

GSM gateways terminating international calls as local. ASR drops, settlement revenue disappears. Detected by test-call pattern analysis and behavioural scoring.

IRSF

IRSF

International Revenue Share Fraud. Hackers machine-generate calls to premium ranges; revenue is shared with the range owner. Block window measured in minutes.

Wangiri

Wangiri

One-ring scam. Fraudster calls once, hangs up, waits for the callback to a premium number. Detected by call-pattern signatures and number-range reputation.

Refiling

Refiling

A-party number manipulation to ride a cheaper route. Detected by CLI consistency checks across the call chain.

How we work

Continuous screening, not quarterly audit.

Calendar-driven fraud audits catch what already happened. By the time the report lands, the loss is real. We screen in the signalling path, in real time, with named escalation.

01

Signalling-layer monitoring

SS7 firewall, SMS firewall, voice CDR analytics. Fraud signals are detected as they cross the network, not after the invoice lands.

02

Behavioural baselines per corridor

Each destination has its own traffic shape. We baseline ASR, ACD and CLI presentation per corridor; anomalies fire alerts within a 15-minute window.

03

Test-call campaigns

Test numbers rotate. Static TCG numbers get burned by fraudsters within days; we run rolling campaigns so the SIM box cannot learn them.

04

Human review of every block above threshold

Automatic blocking is fast and wrong about 30% of the time on legacy FMS rules. Our analysts review flagged traffic before it is hard-blocked.

05

Named NOC escalation

When something fires, you do not open a ticket. You call the analyst who built your baselines.

The honesty section

What fraud prevention is, and is not.

What it is

  • Continuous monitoring in the signalling path
  • Named analysts with corridor-specific baselines
  • Rolling test-call campaigns against SIM box and bypass
  • Real-time alerts on IRSF and Wangiri patterns
  • Quarterly review of false-positive rate

What it is not

  • A 100% block rate. Nobody delivers that honestly.
  • A set-and-forget firewall. Rules decay.
  • A replacement for commercial discipline on rate cards.
  • An AI black box. Black boxes block good traffic.
  • A quarterly PDF. By the time it lands, the money has gone.
Next

Want to see what your traffic is actually doing right now?

Send us 48 hours of CDR exports. We will run them through the screeners and come back with what we found.