Protecting JavaScript Source Code: Obfuscation and More

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With a thriving development ecosystem, JavaScript today powers highly advanced apps in banking, e-commerce, healthcare, and many other high-stakes industries. Despite its numerous advantages and business value, organizations must consider the changes to their threat model when using JavaScript-based web and mobile apps.

By default, client-side JavaScript is left exposed. Every single piece of code, including code secrets, proprietary algorithms, and functions that handle sensitive data, can be readily retrieved and modified by the end-user, opening the door to serious attacks.

JavaScript obfuscation provides an important layer of defense against these attacks by making it extremely hard for anyone to reverse-engineer the code. Then, additional runtime defenses should be added to greatly increase the cost of attacks..

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