McAfee SiteAdvisor is a plug-in for Internet Explorer and Firefox, which adds security to the browser, as it detects spyware or pages with content that may be malicious files that seek to violate a vulnerability in the browser.
There are some sites that can be accessed by accidentally typing a url, or as a result of some kind of spam, which can be harmful. For example, pishing is a technique used to commit scams trying to deceive the user into believing that they enter a site (for example a bank) and is actually entering a false one, with a similar design, and with the intention of stealing data Important.
McAfee Site Advisor serves to prevent this type of events, warning and blocking dangerous pages. Other browsers like Chrome already have built-in malware detectors, but Internet Explorer is more exposed, so this tool can be a great help.
This tool classifies websites according to the danger they may have according to what has been previously commented, and also include sites that may have annoying elements such as multiple pop-ups or windows with messages that appear when trying to leave the site.
McAfee SiteAdvisor 3.5 is the latest version, updated in 2013, of this security software that can be downloaded for free, and easily installed in the most commonly used browser (mainly by inexperienced users). Once installed it is updated automatically.