Why SMBs Should Consider Microsoft Defender and Purview Suites
Small businesses are facing an onslaught of modern threats, from AI-driven attacks and business email compromise to Software as a Service misconfigurations. They need to reduce their attack surface just as larger companies do.
Many vendors design their advanced security and compliance tools for enterprise-grade customers, which can mean a price point and configuration that aren’t the best fit for small businesses. Toward the end of 2025, Microsoft released the Defender and Purview suites for security and compliance that can be layered on top of Microsoft 365 Business Premium and other small business productivity bundles.
Defender primarily addresses security from external threats, protecting endpoints, data and identities. Purview focuses more on protecting the internal movement of data, guarding against data exfiltration or the misuse of internal business data. These two features create a unified environment for the management of an organization’s data and security.
As AI use increases, small businesses need visibility into their environments to ensure their employees aren’t using unsanctioned tools. IT admins can enforce policies for the safe use of AI and prevent sensitive data from being shared with a public generative AI platform, for example, reducing the misuse of sensitive data.
Consolidating under the Microsoft umbrella, where all of these tools seamlessly work together, helps lean IT teams create a centralized management environment. They integrate to eliminate what have traditionally been siloed tools, creating a more holistic approach to risk management.
EXPLORE: Going beyond the basics to build a resilient security framework.
Microsoft Defender Enhances What SMBs Already Have
The Defender suite as an add-on for Microsoft 365 Business Premium includes:
- Defender for Office 365, which works to protect email and Teams environments
- Defender for Endpoint, for device protection
- Components of enterprise mobility and identity with Entra ID and Defender for Identity
- Defender for Cloud Apps
These elements create a base layer of security with tools that natively work together. Instead of outsourcing these foundational-level protections, small businesses can activate what already works in their environment that they haven’t been using to the fullest.
Talk with a CDW expert today. We have resources for small businesses that can help you get started with deploying these tools or doing an assessment of your configuration to ensure your current deployment aligns with best practices. We can work with you at any point in your journey, whether it’s in an advisory capacity, handling deployment or managing the security of your environment.
This article is part of BizTech's AgilITy blog series.
