Google releases the Browser Security Handbook

Google released the Browser Security Handbook to the general public. The 60-page document provides a comprehensive comparison of a broad set of security features and characteristics in commonly used browsers, along with useful commentary and implementation tips for application developers who need to rely on these mechanisms, as well as engineering teams working on future browser-side security enhancements.

The text is meant to provide web application developers, browser engineers, and information security researchers with a one-stop reference to key security properties of contemporary web browsers. Insufficient understanding of these often poorly-documented characteristics is a major contributing factor to the prevalence of several classes of security vulnerabilities.

Although all browsers implement roughly the same set of baseline features, there is relatively little standardization – or conformance to standards – when it comes to many of the less apparent implementation details. Furthermore, vendors routinely introduce proprietary tweaks or improvements that may interfere with existing features in non-obvious ways, and seldom provide a detailed discussion of potential problems.

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