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SEI Sphere: Cybersecurity built for finance.

We offer a managed cybersecurity platform that enables financial institutions to safeguard their future with a comprehensive defense-in-depth strategy. Our platform combines advanced security technology, seasoned professionals, and proven processes—backed by decades of protecting our business. By entrusting us with your security, your organization enhances resilience and reclaims time, empowering your team to focus on strategic priorities.

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How financial institutions can turn the tables on cybercrime.

Industry leaders must champion bold, proactive strategies to protect their operations and assets from imminent threats.

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Where is AI most useful in cybersecurity?

Consider three ways to enhance data protection and resilience by integrating artificial intelligence (AI).

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Sphere in 2025

Our team is participating in many events this year. Explore our calendar to stay informed and join us at upcoming events.

Backed by strategic partnerships for unrivaled platform excellence.

The SEI Sphere Cybersecurity Platform is supported by both custom technology and industry-leading enterprise solutions. We’ve forged long-term partnerships with some of the biggest names in the field, providing us with exclusive access and support to benefit our clients.

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Recognized leadership in cybersecurity protection and resilience.

As a significant operator in a highly regulated financial industry, SEI is subject to the same standards as our clients. Our recognitions in security are a by product of our focus on business resiliency and holistic approach to cybersecrity protection.

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Ready to consolidate your security tools? We can help.

Managing numerous tools and contracts can be overwhelming. SEI Sphere’s Cyber Tool Buyout Program simplifies the transition to a unified managed platform. Our experts will assess your tech stack, deliver a tailored buyout of your existing tool contracts, and provide a seamless roadmap to move you to the SEI Sphere Cybersecurity Platform.

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SEI was named the winner in the "Network Security" and "Threat Detection" categories in the 2024 Fortress Cybersecurity Awards by Business Intelligence Group (May 2024).

SEI was named Best Solution in the "SMB MSSP" and "Threat Intelligence" categories in the 2024 Global InfoSec Awards by Cyber Defense Magazine (May 2024). SEI was named winner in the "Cutting Edge SMB MSSP" and "Hot Company Threat Intelligence" categories in 2023 (April 2023).

SEI was named the winner in the "Cyber Network & Security" category in the 2024 WealthTech Americas Awards from WealthBriefing (February 2024).