In a move to transform global security operations, Ernst & Young LLP has chosen CrowdStrike’s Falcon Next-Gen SIEM as the core platform for its worldwide cybersecurity managed services, the companies announced. The collaboration combines EY’s managed services expertise with CrowdStrike’s next-generation SIEM technology, empowering organizations to move beyond outdated security information and event management (SIEM) tools and modernize their defenses at scale.

With cyber adversaries increasingly leveraging AI to automate and accelerate attacks, traditional SIEM systems have struggled to keep pace. Built for a different era, legacy platforms often lack the speed, visibility, and cost efficiency needed to counter modern threats. Falcon Next-Gen SIEM addresses these challenges by offering real-time analytics, AI-powered detection, and massive scalability, capabilities further bolstered by CrowdStrike’s acquisition of Onum, a leading real-time data pipeline provider.

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By standardizing its managed services globally on the Falcon platform, EY aims to deliver AI-driven protection that enhances visibility and responsiveness. This shift allows clients to retire legacy systems in favor of a modern, unified solution that provides measurable cybersecurity outcomes across both security and non-security data environments.

“The agentic era is reshaping cybersecurity, and legacy SIEMs can no longer handle the scale or speed of today’s threat landscape,” said Daniel Bernard, Chief Business Officer at CrowdStrike. “Through our collaboration with EY US, we’re enabling enterprises to accelerate modernization and achieve outcomes that were previously out of reach with traditional tools.”

Key Advantages for Clients

  • Faster Migration: EY US professionals will guide organizations in transitioning from legacy SIEMs to Falcon Next-Gen SIEM, helping them achieve significant efficiency gains and up to 150% faster search performance.
  • AI-Driven Protection: The Falcon platform integrates first- and third-party data with real-time threat intelligence and AI-powered automation, providing enterprise-wide visibility and faster incident response.
  • Modernized Operating Model: EY’s Managed Services team helps clients convert data into business value—reducing operational overhead, improving cost predictability, and accelerating AI adoption while lowering cyber risk.

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  • Global SOC Expertise: Leveraging its Security Operations Center (SOC) experience across 160 countries, EY strengthens client resilience by minimizing attack surfaces, safeguarding digital identities, and providing 24/7 threat monitoring.
  • Unified Data Visibility: CrowdStrike consolidates vast datasets within a single, scalable platform, eliminating the complexity and expense associated with traditional SIEM solutions.

“Our clients are demanding faster, simpler, and more intelligent security operations,” said Tapan Shah, EY Global and Americas Cybersecurity Managed Services Leader. “By building our managed services on Falcon Next-Gen SIEM, EY US is taking a strategic leap into AI-driven security operations. This partnership enables us to deliver tangible improvements in cyber resilience, operational efficiency, and strategic value.”

This collaboration marks a major milestone in the evolution of managed cybersecurity services. Together, EY and CrowdStrike are redefining how enterprises secure their digital ecosystems—delivering faster, smarter, and more adaptive protection for the AI-driven future of business.

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