Microsoft365 is Microsoft's cloud-based productivity and collaboration platform (including Exchange Online, Teams, SharePoint, and Office apps) with integrated security features such as Defender for Office 365 and Azure AD.
Overview
Microsoft365 is Microsoft's cloud-based productivity and collaboration platform (including Exchange Online, Teams, SharePoint, and Office apps) with integrated security features such as Defender for Office 365 and Azure AD. It is a high-value cybersecurity target due to its extensive email, identity, and data-sharing capabilities, making phishing, account compromise, and misconfigurations common threat vectors; robust security controls exist but require proper deployment and user hygiene to be effective.
Related Threat Clusters
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The Com: Cybercrime Ecosystem Fuels Violence and Exploitation
The Com, a decentralized criminal ecosystem, has emerged as a significant threat, combining cybercrime, exploitation of minors, and real-world violence. This group primarily targets cloud and SaaS platforms, with…
2 articles · Updated May 29, 2026 -
Microsoft Warns of Internal Phishing Exploiting DMARC Misconfigurations
Microsoft has reported an increase in internal phishing attacks that exploit weak DMARC, SPF, and MX configurations. This vulnerability affects organizations that have not properly secured their email authentication…
2 articles · Updated January 15, 2026
Recent Intelligence Reports
- 'The Com' Cyberattacks Support Violence & Sexploitation — Darkreading · May 29, 2026
- Arm Physical AI shift, memory crunch, internal phishing | Ep. 34 — Computerworld · January 14, 2026