Microsoft uses Keychain to store cached Azure AD tokens for their profiles on macOS devices. Caching tokens in the Keychain allows MSAL to provide SSO between multiple apps. When the Microsoft Authentication Library for iOS and macOS signs in a user or refreshes a token, it tries to cache tokens in the Keychain. This can be mitigated through user education and implementing multi-factor authentication. Token phishing: Attackers may attempt to obtain Azure AD tokens through phishing attacks, tricking users into providing their login credentials. This can be mitigated by implementing measures such as token expiration and renewals.

Token replay attacks involve intercepting and reusing an existing token to gain unauthorized access to resources. For example, if a user's Keychain is synced to an unsecured device, an attacker can access all the stored passwords and other sensitive information. If the macOS Keychain is synced across multiple devices, it can increase the risk of a data breach. While integrating macOS with Azure AD can provide a more seamless experience for users, there are still potential security issues that should be aware of. #Office365 #CyberSecurity #ZeroHourAutoPurge #ZAP #RealTimeProtection #MalwareProtection #Microsoft365Defender #EmailSecurity #Microsoft365 #AdminDroid #exchangeonline #email #security #malwareprotection #spamprotection #phishing #phishingattackĪbuse and replay of Azure AD refresh token with Ke圜hain. Get started and monitor ZAP now with 3 different reports and keep your inbox safe with ZAP. ✅ZAP is available for all Office 365 licenses.

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