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Protecting Microsoft 365 Data: A Guide to Cyber Resilience

Microsoft 365 is the backbone of modern business—and a prime target for cyberattacks. With millions of attacks targeting Microsoft environments every day, protecting data and identities has never been more critical.

While Microsoft secures the platform, organizations remain responsible for safeguarding their own data, users, and identity infrastructure. Native protection tools alone may not provide the immutability, isolation, and recovery capabilities needed to withstand a major cyber incident.

This report explores:

  • The growing risks facing Microsoft 365 environments
  • Why identity systems are a top target for attackers
  • The limitations of native recovery tools
  • Key strategies for strengthening cyber resilience and recovery

Guide
Microsoft 365 is the productivity engine of your organization, but its criticality makes it a primary target for cyberattacks. A staggering 600 million cyber attacks are reported daily targeting Microsoft customers, according to The Microsoft Digital Defense Report 2024. 1 While Microsoft secures the underlying cloud infrastructure, the Shared Responsibility Model explicitly mandates that you protect your organization’s data and identities within M365. Relying on native tools alone creates dangerous resilience gaps. These tools lack the immutability, air-gap security, and orchestrated recovery capabilities needed after major incidents—especially those compromising identity, the 'keys to the kingdom'.

For CISOs, an M365 breach, particularly involving Active Directory (AD) or Entra ID, poses significant business risks: operational paralysis, catastrophic data breaches, regulatory penalties, jeopardized cyber insurance coverage, and eroded board confidence. With identity infrastructure and data being frequent targets, a comprehensive resilience strategy is not optional; it’s essential.

Download the report to learn how organizations can better protect Microsoft 365 and recover faster when attacks occur.
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