Insights

Market Innovation Fidelis Security is a leader in proactive cyber defense with advanced XDR and CNAPP platforms, providing a comprehensive solution for organizations aiming to strengthen their cybersecurity posture amidst increasing digital threats.

Recent Expansion Following its acquisition by Partner One and recent product launches like Fidelis Active Directory Intercept, Fidelis shows a strategic focus on expanding its security offerings, creating opportunities to cross-sell integrated solutions to existing clients.

Global Presence With recent deployment of Fidelis CloudPassage Halo in Europe and trusted by top government and enterprise clients worldwide, there is a strong potential to target multinational corporations looking for scalable security solutions.

Technology Leadership Fidelis leverages modern technologies such as AWS, Python, and network detection with deception tech, which can appeal to organizations seeking cutting-edge, automation-driven cybersecurity tools.

Financial Stability Generating between $250 million and $500 million in revenue amid ongoing innovation and recent strategic acquisitions indicates a solid financial foundation, offering opportunities for upselling and long-term security partnerships.

Similar companies to Fidelis Security

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 Formats	Example	Percentage
First.Last@fidelissecurity.com	John.Doe@fidelissecurity.com	91%
Last.First@fidelissecurity.com	Doe.John@fidelissecurity.com	4%
FLast@fidelissecurity.com	JDoe@fidelissecurity.com	3%
FirstLast@fidelissecurity.com	JohnDoe@fidelissecurity.com	2%

Frequently Asked Questions

Where is Fidelis Security's headquarters located?

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?

You can contact Fidelis Security's main corporate office by phone at

+1-301-652-****

. 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?

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

What is Fidelis Security's SIC code NAICS code?

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?

As of December 2025, Fidelis Security has approximately 167 employees across 5 continents, including North AmericaAsiaAfrica. Key team members include Ceo: S. S.CEO: P. G.Chief Architect - Platform: G. A.. Explore Fidelis Security's employee directory with LeadIQ.

What industry does Fidelis Security belong to?

Fidelis Security operates in the Computer and Network Security industry.

What technology does Fidelis Security use?

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

What is Fidelis Security's email format?

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?

Fidelis Security was founded in 2023.

Fidelis Security

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

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

Q: How many employees does Fidelis Security have currently?

Fidelis Security has approximately 167 employees.

Q: What technology does Fidelis Security use?

Fidelis Security's tech stack includes CIM Technologies, Elasticsearch, PHP, Apple iCloud Mail, macOS.

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