By Chris Paoli 07/22/25 Microsoft has announced a new e-mail security dashboard in Microsoft Defender for Office 365, offering customers visibility into threat detection metrics and benchmarking data.

Microsoft has introduced a new Email Security Transparency Dashboard in Microsoft Defender for Office 365, offering customers visibility into threat detection metrics and benchmarking data.

Mail Bombing Detection will be available via Microsoft Defender for Office 365 soon, with the update starting to roll out in late June and completing its rollout by late July.

Microsoft says its Defender for Office 365 cloud-based email security suite will now automatically detect and block email bombing attacks.

While this Office 365 vulnerability doesn’t directly decipher message content, if an attacker can cross-reference enough email patterns, protected information is at risk of disclosure through ...

Organizations use Office 365 Message Encryption to send or receive emails, both external and internal, to ensure confidentiality of the content from destination to source.