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
Yahoo! Toolbar Yahoo! Search Yahoo! Chrome Toolbar is the most recent addition to the Yahoo! Toolbar family. Opera and Safari are not supported. It has built-in algorithms to prevent pop-ups and spyware. Several additional features are available on the Internet Explorer version, as well as incorporating Firefox-style tabbed browsing to IE version 6.0 (versions 7.0 and later allow tabbed browsing). The Yahoo! Toolbar has a well known and dark history of being bundled with other software. The toolbar often installs itself without the user's knowledge or consent. Yahoo! is known for paying developers to place the toolbar into programs in such a