Once your admin has completed the onboarding steps, they will give you a URL from Apple to download the app through Apple's TestFlight app. Open that link on your iPhone's web browser.

To prevent NTLM Relay Attacks on networks with NTLM enabled, domain administrators must ensure that services that permit NTLM authentication make use of protections such as Extended Protection for Authentication (EPA) or signing features such as SMB signing.

On iOS do what Apple calls a "Light, long-press". Never click any links or attachments in suspicious emails or Teams messages. If you receive a suspicious message from an organization and worry the message could be legitimate, go to your web browser and open a new tab.

You must sign IntegrityCheck-linked user mode PEs using Trusted Signing (formerly Azure Code Signing). The cross-signing program is deprecated and new signing certificates will not be issued. Windows will continue to trust the existing binaries signed by the cross-signing program.

If you're prompted to set this up immediately after you sign in to your work or school account, see the detailed steps in the Set up your security info from the sign-in page prompt article.

A set of unsafe default configurations for LDAP channel binding and LDAP signing exist on Active Directory domain controllers that let LDAP clients communicate with them without enforcing LDAP channel binding and LDAP signing.

To use SMB signing, you must enable SMB signing or require SMB signing on both the SMB client and the SMB server. If SMB signing is enabled on a server, clients that are also enabled for SMB signing use the packet signing protocol during all subsequent sessions.

For iOS, you'll first need to install TestFlight on your iOS device. You can find it here or in the App Store. Once TestFlight is installed, you can join from your device. You'll then be able to download and install our beta app via TestFlight.

To make these assurances, the content creator must digitally sign the content by using a signature that satisfies the following criteria: The digital signature is valid.

The Signature Details dialog box displays certificate information such as the signer’s name in the Signing as box, and who issued the certificate. Open the file that contains the certificate you want to view.