Synthetic identity fraud is one of the most complex and challenging threats facing financial institutions today. Unlike traditional identity theft, synthetic identity fraud combines real and fabricated information to create entirely new, fictional identities that can bypass conventional security measures.
Synthetic identity scams exposed lenders to approximately $3.1 billion in potential losses in 2023, and the Federal Reserve raised alarms last month about its rapid acceleration. Exact costs are difficult to isolate but many sources believe this form of fraud is responsible for somewhere between $20 to $40 billion dollars. As fraudsters leverage increasingly sophisticated techniques, including generative AI, organizations must understand this evolving threat landscape and implement strong, multi-layered defense strategies to protect their operations and customers alike.
The Elusiveness of Blended Identities
Synthetic identities present unique detection challenges precisely because they operate in a gray area between real and fake. Fraudsters carefully craft these “frankenstein IDs” by combining stolen legitimate information, typically Social Security numbers, with fabricated names, birthdates, addresses and other contact details. This blending of information creates identities that appear authentic enough to pass initial verification checks while remaining disconnected from any real person’s complete profile.
Their ability to evade traditional fraud monitoring systems make these synthetic constructs particularly dangerous. Unlike stolen identities that trigger alerts when a real person reports unauthorized activity, synthetic identities have no corresponding victim to flag any of the suspicious behavior. This gap allows fraudsters to operate undetected for extended periods, sometimes years, as they methodically build credit profiles and establish legitimacy before executing their end goal fraud schemes.
Business Ramifications Beyond Financial Losses
The consequences of synthetic identity fraud extend beyond immediate monetary losses. Organizations that fall victim to these types of schemes face multilayered impacts that compound over time. Financial institutions often lose the direct value of fraudulent loans and credit lines and incur significant operational costs associated with investigating complex fraud cases that lack clear victims.
In addition, synthetic identity fraud can create regulatory exposure and compliance challenges as organizations struggle to explain how fictitious customers passed their Know Your Customer (KYC) and Anti-Money Laundering (AML) protocols. As fraudsters typically abandon their synthetic identities after maximizing their illicit gains, financial institutions face charge-off rates that damage their credit portfolio performance and undermine investor confidence. The reputational damage from widespread synthetic fraud can be particularly devastating in an industry where trust forms the foundation of customer relationships.
Advanced Detection Strategies for Modern Protection
To combat this form of fraud, organizations today must implement advanced machine learning and artificial intelligence (AI) systems capable of analyzing behavioral patterns and identifying anomalies that might indicate synthetic identity use. These systems can detect subtle inconsistencies across application data, transaction history and account activity that humans might miss.
Document and biometric verification technologies provide another critical protection layer against synthetic identities. While fraudsters can fabricate personal details that pass basic credit checks, they typically cannot produce genuine identity documents matching their synthetic personas. Implementing robust document verification alongside biometric confirmation creates barriers for fraudsters. Cross-referencing data across multiple sources and establishing consortium models for sharing fraud intelligence among industry participants can further strengthen detection capabilities and reduce fraud exposure.
Building Organizational Resilience Against Synthetic Fraud
Creating effective organizational defenses against synthetic identity fraud requires balancing security with operational efficiency. Security teams must implement continuous monitoring systems that track account activity over time, not just at the point of application. This longitudinal approach helps identify the telltale patterns of synthetic identity “nurturing,” where fraudsters gradually build credit profiles before exploitation.
Employee training represents another critical component of defense. Customer-facing staff and risk analysts need specific education about synthetic identity red flags, such as thin-file credit applicants with inconsistent documentation or unusual application patterns. By combining technological solutions with human expertise, organizations can create a more resilient system to fight against these types of sophisticated fraud schemes to better protect financial assets and maintain customer trust.
The Answer: Technology & Humans
As synthetic identity fraud continues to evolve, cybersecurity professionals must stay ahead of fraudsters by implementing comprehensive detection strategies that combine advanced technologies with human expertise. By understanding the unique challenges these blended identities present and deploying multilayered verification approaches, organizations can significantly reduce their vulnerability to this turbulent threat landscape.
About the Author
Husnain Bajwa is a fraud and risk technology leader with over 30 years of experience in cybersecurity, enterprise cloud platforms, and critical infrastructure. As SVP of Product – Risk Solutions at SEON, he drives innovation in fraud prevention and compliance. Previously, he held leadership roles at Beyond Identity, Hewlett Packard Enterprise, Aruba Networks, and Ericsson, focusing on secure, scalable solutions. Husnain is a recognized voice in risk management, advocating for data-driven, adaptive strategies to combat digital fraud while ensuring compliance in an evolving threat landscape.