IBM Security VerifyAccess (ISAM) is a service from IBM USA that improves user access security. The service enables secure and simple access to platforms such as Web, mobile, IoT, and cloud technologies through the use of risk-based access, single sign-on, integrated access management controls, identity federation, and mobile multi-factor authentication.IBM Security Verify has an encryption issue vulnerability that stems from the use of a weaker-than-expected encryption algorithm that could be exploited by an attacker to decrypt highly sensitive information.