Account sharing, a prevalent practice among users seeking to minimize costs, involves sharing account credentials for subscription services, which can lead to serious consequences including security breaches and revenue losses for businesses. The practice undermines user data accuracy, complicates ownership claims, and poses security risks as credentials may fall into malicious hands. To combat this, businesses can employ tools like Fingerprint Identification to detect and prevent account sharing by monitoring login patterns and setting policies on device usage. This involves identifying unique visitors, validating login attempts, and limiting simultaneous device access to protect revenue and maintain data integrity. The article outlines steps and technologies, such as Fingerprint's JavaScript agent and server-side validation, to create custom workflows that help deter account sharing, emphasizing the importance of adapting solutions to specific business needs.