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Fidelis Security

Read 6 Fidelis Security reviews and testimonials from customers, explore 9 case studies and customer success stories, and watch customer videos to see why companies chose Fidelis Security as their Monitoring Tools

Fidelis Security is the industry innovator in proactive cyber defense solutions, safeguards modern IT environments with unparalleled detection, deception, response, cloud security, and compliance capabilities. They offer full visibility across hybrid environments via rich, dynamic cyber terrain mapping and multi-faceted context and risk assessment.

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Customer Rating Review Score based on 757 reference ratings
4.8/5.0 (757)
  • Spring 2026 Top Performer Managed Detection and Response Software

6Testimonials

  • “It really makes our job much easier and allows us to keep our customers’ data safe and secure.”

  • “We chose Fidelis Cybersecurity because we wanted a single platform that can help protect DZP from the cyber risks they face everyday."

  • “I know it’s unlikely to ever be 100% secure, but QGroup and Fidelis give me confidence that our security is at the highest possible level."

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9 Case Studies

  • Fortune 1000 Streaming Company - Customer Case Study

  • Financial Company Upgrades Data Security with Fidelis Deception

  • How Fidelis Cybersecurity not only shut down this attack but also cleaned …

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Additional Fidelis Security Information & Resources

Read Fidelis Security Reviews, Testimonials & Customer References from 6 real Fidelis Security customers.

Browse Fidelis Security Case Studies, Customer Success Stories, & Customer References from 9 businesses that use Fidelis Security.