Insight adopted Microsoft 365 E5 as its global security platform to strengthen its cybersecurity posture after major threats like SolarWinds and Log4j. Moving from E3, the company chose E5 for its advanced security features, integration, and scalability across cloud and on-prem resources. Key steps included deploying Defender for Endpoint, implementing Sentinel for SIEM, enforcing phishing-resistant MFA, and using Purview for data protection. Automation and AI-driven workflows enhanced detection and response, while managed services provided 24/7 coverage. The upgrade improved visibility, efficiency, and innovation, transforming Insight’s security operations and overall resilience.

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