Insights

Enterprise Client Focus Fidelis Security’s solutions are trusted by top commercial, enterprise, and government agencies worldwide, indicating strong potential for upselling advanced threat detection, compliance, and data protection tools to large-scale organizations seeking comprehensive cybersecurity.

Recent Strategic Acquisition The company's recent sale of assets to Partner One and subsequent acquisition highlights opportunities for joint solutions or integrations, especially for enterprise clients who require a broad suite of cybersecurity and cloud-native protection services.

Innovative Product Launches The launch of products like Fidelis Active Directory Intercept and updates addressing critical vulnerabilities demonstrates ongoing innovation that can be positioned to existing clients needing advanced, proactive security measures, particularly in active directory security and threat response.

Growth in Threat Intelligence Fidelis’s partnerships, such as with Backbone Security for steganography detection, indicate an emphasis on cutting-edge threat intelligence, presenting opportunities to address high-value clients concerned with sophisticated data exfiltration and covert communication risks.

Financial Clout and Market Position With revenue between $250 million and $500 million and a focus on proactive XDR and CNAPP platforms, Fidelis Security is well-positioned to target large enterprises that are investing heavily in next-gen cybersecurity solutions for modern IT environments.

Fidelis Security Tech Stack

Fidelis Security uses 8 technology products and services including Varnish, Amazon Web Services, RSS, and more. Explore Fidelis Security's tech stack below.

  • Varnish
    Caching
  • Amazon Web Services
    Cloud Hosting
  • RSS
    Content Management System
  • Outreach.io
    Customer Relationship Management
  • Apple iCloud Mail
    Email
  • GitLab
    Issue Trackers
  • Auxilia
    Payment Processing
  • Python
    Programming Languages

Media & News

Fidelis Security's Email Address Formats

Fidelis Security uses at least 1 format(s):
Fidelis Security Email FormatsExamplePercentage
First.Last@fidelissecurity.comJohn.Doe@fidelissecurity.com
91%
Last.First@fidelissecurity.comDoe.John@fidelissecurity.com
4%
FLast@fidelissecurity.comJDoe@fidelissecurity.com
3%
FirstLast@fidelissecurity.comJohnDoe@fidelissecurity.com
2%

Frequently Asked Questions

Where is Fidelis Security's headquarters located?

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Fidelis Security's main headquarters is located at 871 Marlborough Avenue, Suite 100. The company has employees across 5 continents, including North AmericaAsiaAfrica.

What is Fidelis Security's phone number?

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You can contact Fidelis Security's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Fidelis Security's official website and social media links?

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Fidelis Security's official website is fidelissecurity.com and has social profiles on LinkedInCrunchbase.

What is Fidelis Security's SIC code NAICS code?

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Fidelis Security's SIC code is 7373 - Computer Integrated Systems Design NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Fidelis Security have currently?

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As of February 2026, Fidelis Security has approximately 171 employees across 5 continents, including North AmericaAsiaAfrica. Key team members include Ceo: S. S.CEO: P. G.Chief Financial Officer: J. W.. Explore Fidelis Security's employee directory with LeadIQ.

What industry does Fidelis Security belong to?

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Fidelis Security operates in the Computer and Network Security industry.

What technology does Fidelis Security use?

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Fidelis Security's tech stack includes VarnishAmazon Web ServicesRSSOutreach.ioApple iCloud MailGitLabAuxiliaPython.

What is Fidelis Security's email format?

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Fidelis Security's email format typically follows the pattern of First.Last@fidelissecurity.com. Find more Fidelis Security email formats with LeadIQ.

When was Fidelis Security founded?

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Fidelis Security was founded in 2023.

Fidelis Security

Computer and Network SecurityCalifornia, United States51-200 Employees

Fidelis Security® is the industry innovator in proactive cyber defense, safeguarding modern IT for global enterprises with proactive XDR and CNAPP platforms. Fidelis Security consolidates IT security operations to shrink attack surfaces, automate threat detection, and accelerate analysis, forensics, and response so that organizations remain resilient through cyber-attacks and emerge stronger and more secure. Fidelis Security is trusted by top commercial, enterprise, and government agencies worldwide. 

For more information, please visit: www.fidelissecurity.com

Section iconCompany Overview

Headquarters
871 Marlborough Avenue, Suite 100
Phone number
SIC Code
7373 - Computer Integrated Systems Design
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2023
Employees
51-200

Section iconFunding & Financials

  • $250M$500M

    Fidelis Security's revenue is estimated to be in the range of $250M$500M

Section iconFunding & Financials

  • $250M$500M

    Fidelis Security's revenue is estimated to be in the range of $250M$500M

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