METHOD AND APPARATUS FOR CONSTRUCTING SECURITY POLICIES FOR WEB CONTENT INSTRUMENTATION AGAINST BROWSER-BASED ATTACKS

A method and apparatus is disclosed herein for constructing security policies for content instrumentation against attacks. In one embodiment, the method comprises constructing one or more security policies for web content using at least one rewriting template, at least one edit automata policy, or at least one policy template; and rewriting a script program in a document to cause behavior resulting from execution of the script to conform to the one or more policies.