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The Security tab includes the most important settings to help reduce the risk of drive-by downloads.
The Web Content section permits you to enable or disable various forms of scripting and active content. CERT/CC recommends disabling the first three options in this section, and only enabling them when you require the functionality of these features.
You should select the Block Pop-up Windows to prevent sites from opening another window through the use of scripting, or active content. However, be aware that while pop-up windows are often associated with advertisements, some sites may attempt to display content relevant to your usage of the site in a new window. Setting this option may therefore disable the functionality of some sites.
Use Safari without plug-ins and Java by disabling the options Enable plug-ins and Enable Java.
You can also disable cookies and view or remove cookies that have been set.
CERT/CC recommends disabling cookies and enabling them only when you visit a site that requires their use. At this point, you should determine if the site is trustworthy (i.e., contains no malicious content and is securely designed) and determine whether you want to allow cookies to access the site’s content. After you are finished visiting the site, we recommend disabling cookies until you need to access a site that requires cookies.
You can limit cookies to the sites that you navigate to by selecting the option Only from sites you navigate to. This will permit sites that you visit to set cookies, but not third-party sites. Finally, we recommend selecting the Ask before sending a non-secure form to a secure website option. This will alert you when data is sent to a secure web site over an insecure channel.
Safari (on Mac and Windows) offers a feature called Private Browsing.
You can turn this on via the Edit drop-down on Windows or from Safari on the Mac.
When Private browsing is turned on, Safari won’t store your Google searches, your cookies, the history of sites you’ve visited, your download history, or information from online forms you’ve filled out.
If you’ve been browsing without private browsing turned on, just use Privacy Reset to empty your cache and clear Safari of your browsing, forms, and search history.