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Microsoft is working to resolve an Exchange Online issue causing email access problems for Outlook mobile users who use Hybrid Modern Authentication (HMA). [...]
Microsoft says a coding issue is behind a now-resolved Microsoft 365 outage over the weekend that affected Outlook and Exchange Online authentication. [...]
Postmortem: Multiple Customers Also Targeted by Russian Nation-State AttackersA nation-state hacking group run by Russian intelligence gained access to a Microsoft "legacy, non-production test tenant account" and used it to authorize malicious Office 365 OAuth applications, access Outlook, and steal Microsoft and customers' emails and attachments, Microsoft said.
Microsoft warned today that it will permanently turn off Exchange Online basic authentication starting early January 2023 to improve security. [...]
Okta, a leading provider of authentication services, has shared a workaround for ongoing issues preventing customers to log into their accounts using Microsoft Office 365 Single Sign-On. [...]
Exchange Online users should have authentication policies in place Microsoft is warning Exchange Online users about a rise in password spray attacks, urging those that have yet to disable Basic Authentication to at least set up authentication policies to protect their users and data.…
Microsoft warned customers today that it will finally disable basic authentication in random tenants worldwide to improve Exchange Online security starting October 1, 2022. [...]
The 'widespread' campaign hunts for multimillion-dollar transactions A business email compromise scheme targeting CEOs and CFOs using Microsoft Office 365 combines phishing with a man-in-the-middle attack to bypass multi-factor authentication.…
The massive phishing campaign does not exploit a vulnerability in MFA. Instead, it spoofs an Office 365 authentication page to steal credentials.
Microsoft on Tuesday disclosed that a large-scale phishing campaign targeted over 10,000 organizations since September 2021 by hijacking Office 365's authentication process even on accounts secured with multi-factor authentication (MFA)
Before Microsoft shutters basic logins in a few months The US government is pushing federal agencies and private corporations to adopt the Modern Authentication method in Exchange Online before Microsoft starts shutting down Basic Authentication from the first day of October.…
CISA has urged government agencies and private sector organizations using Microsoft's Exchange cloud email platform to expedite the switch from Basic Authentication legacy authentication methods without multifactor authentication (MFA) support to Modern Authentication alternatives. [...]
Microsoft warned customers today that it will start disabling Basic Authentication in random tenants worldwide on October 1, 2022. [...]