Microsoft Blocks Millions of Bot Signups Amid AI Fraud Surge

# Microsoft Blocks Millions of Bot Signups Amid AI Fraud Surge

https://gcdradar.vercel.app/incidents/microsoft-blocks-millions-of-bot-signups-amid-ai-fraud-surge · AIR-2025-0009 · closed 2025-04-30

- Lane: Breaches & attacks
- Severity: 3 (Confirmed exploitation)
- Fix status: No fix needed
- First reported: 2025-04-16
- AI role: AI-enabled attack
- Products: Microsoft cloud services

## Summary

Microsoft blocked 1.6 million bot signup attempts per hour and disrupted billions in fraud stemming from AI-enhanced scams. Threat actors leveraged generative AI to automate phishing lures, fake e-commerce sites, and customer service bots.

## What to do

No action recorded; read the sources below and the vendor's advisory.

## Latest updates

- 2025-04-16: Microsoft Reportedly Blocks 1.6 Million Bot Signup Attempts Per Hour Amid Global AI-Driven Fraud Surge (https://incidentdatabase.ai/cite/1037)

## Sources

- 2025-04-16 AI Incident Database: Microsoft Reportedly Blocks 1.6 Million Bot Signup Attempts Per Hour Amid Global AI-Driven Fraud Surge https://incidentdatabase.ai/cite/1037

Verify against the vendor's advisory before changing production. Data CC BY-SA 4.0, https://gcdradar.vercel.app.