Fraud Prevention Success Story

How GlobalTech Reduced Fraud by 87% with Advanced Line Type Detection

GlobalTech Solutions•12 min read

As a global SaaS platform processing 50,000+ new signups daily, we were losing $2.4M annually to fraud from virtual numbers and fake accounts. Here's how implementing advanced line type detection transformed our security posture and saved millions in fraud prevention.

Fraud Prevention Impact

94%
Fraud Reduction
40%
Cost Savings
99.6%
Accuracy Rate
<50ms
Response Time

The Growing Fraud Challenge

Virtual Number Proliferation

Over 300 million VoIP numbers are in circulation globally, making it increasingly difficult to distinguish legitimate users from fraudulent actors using temporary, untraceable phone lines.

Rising Account Takeover Risk

Account takeover attacks increased by 284% in 2024, with fraudsters increasingly using disposable phone numbers to bypass traditional security measures.

The Business Cost of Inadequate Detection

$2.8M
Average fraud loss per enterprise
42%
Higher SMS costs on invalid numbers
67%
Customer churn from poor data quality

Advanced Detection Technology

Void Number Detection

Identify disconnected, reassigned, or invalid phone numbers before they impact your business processes.

  • Real-time HLR lookup validation
  • Detect recently disconnected numbers
  • Flag premium rate and special numbers

Line Type Classification

Accurately distinguish between mobile, landline, VoIP, and premium rate numbers with 99.6% accuracy.

  • Mobile vs landline detection
  • VoIP identification (Google Voice, Skype)
  • Toll-free and premium rate detection

Global Coverage

Comprehensive phone number intelligence across 232 countries with localized pattern recognition.

  • 232 countries supported
  • Regional format validation
  • International dialing codes

Intelligent Risk Assessment

Risk Scoring Algorithm

0-30
Low Risk
Legitimate business numbers
31-70
Medium Risk
Requires verification
71-90
High Risk
Suspicious patterns
91-100
Critical
Block immediately

Risk Factors Analyzed

  • Carrier reputation and risk history
  • VoIP vs mobile network detection
  • Number portability and recent changes
  • Geographic location consistency
  • Temporary/disposable number patterns

Real-World Applications

  • Account registration filtering
  • Transaction fraud prevention
  • SMS marketing optimization
  • Lead quality scoring
  • Database cleansing automation

5-Minute Implementation

// Real-time phone validation with risk assessment
const response = await fetch('https://phone-check.app/api/v1-get-phone-details', {
method: 'POST',
headers: { 'Content-Type': 'application/json', 'x-api-key': 'your-api-key' },
body: JSON.stringify({ phone: '+14155552671' })
});
const result = await response.json();
// Risk-based decision making
if (result.lineType === 'voip' || result.riskScore > 70 {
// Flag for manual review or block
}

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