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Safari User Guide
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macOS Mojave 10.14
macOS High Sierra
Table of Contents

Change Security preferences in Safari on Mac

In the Safari app on your Mac, use Security preferences to turn security warnings on or off. Also enable or disable JavaScript. To change these preferences, choose Safari > Preferences, then click Security.

Open Safari for me

Warn when visiting a fraudulent website

Safari warns you if the site you’re visiting is a suspected phishing website. Phishing is a fraudulent attempt to steal your personal information, such as user names, passwords, and other account information. A fraudulent website masquerades as a legitimate one, such as a bank, financial institution, or email service provider. Before visiting a website, Safari may send information calculated from the website address to Safe Browsing providers to check if the website is fraudulent.

Enable JavaScript

Allow JavaScript, which websites use for buttons, forms, and other content. Some websites can’t work properly if you disable JavaScript.

See alsoIf you’re asked to trust or update a plug-in in Safari on Mac
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