Firefox to US$7,500 cash reward) to researchers who discover severe security holes in Firefox. Official guidelines for handling security vulnerabilities discourage early disclosure of vulnerabilities so as not to give potential attackers an advantage in creating exploits. Because Firefox generally has fewer publicly known security vulnerabilities than Internet Explorer (see "Comparison of web browsers"), improved security is often cited as a reason to switch from Internet Explorer to Firefox. "The Washington Post" reported that exploit code for known critical security vulnerabilities in Internet Explorer was available for 284 days in 2006. In comparison, exploit code for known, critical security vulnerabilities in
Local shared object store saved games. The resulting support requests cannot be solved favorably for Mozilla Firefox users without changes to the browser, because of the introduced equivalence between HTTP and flash cookies. Currently, the workaround in use is to either configure the browser to never clear history data and cookies, or to revert the part of the changes affecting this use case, using third-party patches. As for the behavior in browser's privacy mode, Adobe Flash Player 10.1, released on June 10, 2010, supports the privacy modes of Internet Explorer, Mozilla Firefox, Google Chrome, and Safari. Local shared objects created in privacy are