Client-side security is a specialized segment of cybersecurity focused on protecting the parts of an application or website that interact directly with the user's device. Unlike server-side security, which protects the back-end systems and data storage, client-side security aims to prevent attacks that compromise the user experience or data at the point of interaction.
Common examples of client-side attacks include digital skimming (Magecart), formjacking, and malicious redirects that compromise sensitive data.
Client-side security is about protecting the integrity of the scripts, assets, and code that run within a user's browser. The goal is to monitor, detect, and block unauthorized scripts or injected code that could compromise data or application functionality. Client-side security tools help protect against threats by monitoring for malicious scripts, validating the integrity of assets, and controlling data-sharing pathways in real-time to prevent unauthorized access and tampering.
Key methods to protect against client-side attacks include the following:
Harmful scripts designed to steal customer data don’t just damage a company’s brand and customer relationships, they can put a company in legal jeopardy. One of the most common effects of a client-side attack are data breaches, where personal customer information is leaked resulting in financial losses, identify loss, and poor publicity.
Of course, the predictable result is a loss of customer trust. However, companies that find themselves a victim of client-attack attacks are also subject to legal trouble and compliance violations. Data compliance laws like GDPR or CCPA strongly stipulate the ways in which companies must safeguard customer data.
Client-Side Defense is part of HUMAN’s Application Protection solutions, providing complete visibility and control of browser scripts, analyzing script behavior, detecting suspicious activity, and protecting data from unauthorized access — all without any interruption to the user experience.