On iOS we can't show you the block screen in the browser, but Defender will still block dangerous pages for you and give you a notification that we've blocked the page (and why).

A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...

To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store. Get the app

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

The Microsoft Edge feature that blocks pop-ups is effective in preventing websites from automatically opening a new window or tab, or a partial window on top of your current web page. This feature is turned on by default. There are many different types of pop-ups, including advertisements, notices, offers, or alerts that can appear at various times on any web page. Some can be helpful, such as ...

Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

Microsoft Authenticator helps you sign in to your accounts if you've forgotten your password, use two-step verification or multi-factor authentication, or have gone passwordless on your account.

If this is the first time you're setting up Authenticator, you might receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). Allow the app to use the camera so that you can take a picture of a QR code in one step.

The Microsoft Lens app will be retired from iOS and Android devices starting October 25, 2025, and will no longer be supported after December 25. You can continue to scan documents in the app until January 25, 2026.

The extra features below are available on iOS tablets and phones with a qualifying Microsoft 365 subscription. For information about the extra security and control features that are available for customers with a Microsoft 365 for business plan, visit the mobile apps for business page.