Identifying KBA and Discovering Possible Alternatives
In the digital age, financial institutions and websites rely on Knowledge-Based Authentication (KBA) to prevent fraud and ensure compliance. However, this method has its weaknesses, making it vulnerable to social engineering and fraud.
KBA, which involves asking users to provide personal information such as the name of their first pet, is easily compromised. Answers to common security questions are often publicly available or exposed in data breaches, making KBA a prime target for attackers. Moreover, the static nature of traditional KBA questions allows attackers who gather personal information to bypass authentication easily.
The vulnerability of KBA to social engineering is another concern. Fraudsters can convincingly impersonate users by exploiting predictable or guessable KBA answers. Additionally, KBA can be inconvenient and frustrating for users, especially if questions are hard to remember or if answers must be reset frequently.
Despite its widespread use, KBA doesn't align with many regulations. The National Institute of Standards and Technology (NIST) stated in June 2017 that KBA doesn't provide sufficient security for modern identity verification needs.
However, there are alternatives and improvements to KBA that are commonly recommended. Multi-Factor Authentication (MFA), passwordless authentication, biometrics, dynamic KBA, risk-based or adaptive authentication, tokenization & secure wallets, and 3D selfie technology are some of the modern technologies that offer better results.
MFA combines two or more factors to greatly enhance security and reduce reliance on KBA alone. Passwordless authentication eliminates passwords and KBA, improving security against phishing and reducing user friction. Biometrics, such as facial recognition, fingerprints, or voice authentication, offer natural, quick, phishing-resistant verification.
Dynamic KBA, a more complex and transaction-specific method, is less susceptible to reuse or discovery. Enhanced dynamic KBA uses user proprietary data for custom security questions. These modern technologies ensure faster, more reliable authentication, meet KYC requirements, and provide a positive user experience.
In conclusion, many experts and institutions advocate moving away from KBA as a primary method due to its vulnerabilities and adopting layered, biometric, or adaptive technologies that improve security and user experience while minimizing fraud and operational costs. The future of identity verification lies in these modern, efficient, and secure methods.
References:
- Forbes
- NIST
- Gartner
- Sumsub
- Veriff
Technology like Multi-Factor Authentication (MFA), passwordless authentication, biometrics, dynamic KBA, risk-based or adaptive authentication, tokenization & secure wallets, and 3D selfie technology are the future of identity verification, offering better security, faster authentication, user convenience, and fraud prevention. These modern technologies align with KYC requirements and provide a positive user experience, significantly reducing reliance on Knowledge-Based Authentication (KBA).
