How Hybrid Intelligence Defeated Fraudin a Fast Growing P2P Marketplace

An analyst with a buzzed haircut and glasses uses multiple screens to analyze complex data in a bright, modern office.

The challenge
When growth outpaces platform safety 

Scaling a global marketplace requires a defense that grows as fast as the user base. For a London-based peer-to-peer (P2P) platform, rapid expansion had opened the path to account takeovers and transaction fraud — complex threats that plague the industry. 

To sustain growth and protect its community, the platform needed to move beyond basic moderation and implement a deeper, forensic level of screening. The goal was to spot bad actors in real-time without creating friction for legitimate buyers and sellers.

The solution
A hybrid intelligence defense

To stabilize the platform and harden its defenses, we deployed a rapid-response framework that transformed the fraud department and instituted a proactive layer of security, including:  

  • Agile resource deployment: Mobilizing a dedicated internal resource team with specific and solid past expertise in P2P transaction patterns and fraud
  • Performance-driven quality gates: Establishing rigorous toll gates from training to nesting phase, ensuring every analyst meets 100% accuracy before entering the live environment
  • Human-in-the-loop optimization: Pairing AI tools with the platform’s human experts to catch subtle fraud that automated systems usually miss 
  • Strategic process consulting: Partnering with the client’s SMEs to share emerging trends and recommending improvements to the overall process 

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