DeepSeas vs Fidelis Security
DeepSeas
First & only Managed Detection & Response solution covering all attack surfaces for enterprises & the mid-market
176 employees · est. 2001 · United States
Fidelis Security
Proactive cyber defense for the resilient enterprise
177 employees · est. 2023 · Riverside, United States
DeepSeas is the older company (2001 vs 2023).
Side-by-Side Comparison
| Metric | DeepSeas | Fidelis Security |
|---|---|---|
| Founded | ||
| Founded | 2001 older | 2023 |
| Headquarters | ||
| Headquarters | United States | Riverside, United States |
| Employees | ||
| Employees | 176 | 177 |
| Industry | ||
| Industry | Cloud Infrastructure, Cyber Security, Information Technology | Cloud Infrastructure, Cyber Security, Enterprise Software |
| Funding Stage | ||
| Funding Stage | Not tracked yet | Private Equity |
| Total Funding | ||
| Total Funding | Not tracked yet | $49.32M |
| Funding Rounds | ||
| Funding Rounds | Not tracked yet | 5 |
| Services | ||
| Services | Managed Detection and Response, Offensive Security, DeepSeas Complete Program, CyberFusion SOC, Governance Risk & Compliance, Threat Intelligence, Strategic Security Advisory | Fidelis Elevate XDR Platform, Fidelis Halo CNAPP, Fidelis Network NDR, Fidelis Endpoint EDR, Fidelis Deception Technology, Server Secure, Cloud Secure, Active Directory Intercept, Network Data Loss Prevention, Container Secure |
| Target Customers | ||
| Target Customers | Higher Education Institutions, C-Suite Executives, Technology Infrastructure Directors, Businesses Seeking Cybersecurity Partnerships, Organizations with Regulatory Compliance Needs | Defense, Government Agencies, Healthcare Providers, Financial Institutions, Information Technology Companies, Educational Institutions, Retail Enterprises, Tribal and Gaming Enterprises |
| Taxonomy | ||
| Taxonomy | Managed Detection And ResponseThreat AnalyticsCyber Defense PlatformSecurity Operations CenterThreat HuntingExtended Detection And Response +8 | Proactive Cyber DefenseExtended Detection And Response (XDR)Cloud Native Application Protection Platform (CNAPP)Threat Detection And ResponseAutomated Detection And ResponseNetwork Security +9 |
| Website | ||
| Website | deepseas.com | fidelissecurity.com |
About DeepSeas
DeepSeas, founded in 2001, is a formidable player in the evolving field of cyber security. Known for its unique Managed Detection & Response (MDR) solution that comprehensively covers all attack surfaces, DeepSeas distinguishes itself as the first and only solution of its kind for enterprises and mi...
About Fidelis Security
Fidelis Security, founded in 2023, has swiftly positioned itself as an industry leader in proactive cyber defense. The company is headquartered in the United States and operates within the Cloud Infrastructure, Cyber Security, and Enterprise Software sectors. Its innovative platforms—XDR and CNAPP—a...
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Compiled from the BounceWatch company index. We last looked at DeepSeas on 16 Mar 2026, and Fidelis Security on 8 Mar 2026. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
