Insights

Established MDR Leader DeepSeas has a long track record in cyber defense with 30 years of experience and a global client base including Fortune 100 enterprises, suggesting a strong credibility foundation for expanding with large organizations and public sector clients.

Converged Attack Surface Their DeepSeas MDR+ solution covers IT, OT, cloud, and mobile, presenting a compelling upsell opportunity to clients seeking holistic threat visibility and unified incident response across diverse environments.

Recent Leadership Executive leadership change to Lewie Dunsworth in 2026 can be leveraged for tailored outreach aimed at strategic initiatives, governance improvements, and renewed cybersecurity roadmaps within target accounts.

Strategic Growth Acquisitions of GreyCastle Security and RedTeam Security in 2023 indicate an expanding testing and red/blue team capability set, providing cross-sell potential to existing customers and a stronger value proposition for security testing services.

Strong Market Position Recognitions by Gartner and Frost Radar, plus a significant revenue scale, position DeepSeas as a credible partner for mid-market to enterprise migrations, offering opportunities to partner on compliance, advisory, and transformation programs.

Similar companies to DeepSeas

DeepSeas Tech Stack

DeepSeas uses 8 technology products and services including ISO, Claude by Anthropic, Office 365, and more. Explore DeepSeas's tech stack below.

  • ISO
    Certificates
  • Claude by Anthropic
    Generative Ai
  • Office 365
    Office Suites
  • Microsoft Azure
    Platform As A Service
  • Linux
    Programming Languages
  • Node.js
    Programming Languages
  • Microsoft Sentinel
    Security
  • Max Mega Menu
    Widgets

Media & News

DeepSeas's Email Address Formats

DeepSeas uses at least 1 format(s):
DeepSeas Email FormatsExamplePercentage
First.Last@deepseas.comJohn.Doe@deepseas.com
98%
FLast@deepseas.comJDoe@deepseas.com
1%
First.Middle@deepseas.comJohn.Michael@deepseas.com
1%

Frequently Asked Questions

What is DeepSeas's official website and social media links?

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DeepSeas's official website is deepseas.com and has social profiles on LinkedIn.

What is DeepSeas's NAICS code?

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DeepSeas's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does DeepSeas have currently?

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As of July 2026, DeepSeas has approximately 175 employees across 4 continents, including North AmericaEuropeAsia. Key team members include Chief Executive Officer: E. L.Chief Business Operations Officer: Y. O.Chief Human Capital Officer: E. K. E. J.. Explore DeepSeas's employee directory with LeadIQ.

What industry does DeepSeas belong to?

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DeepSeas operates in the Computer and Network Security industry.

What technology does DeepSeas use?

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DeepSeas's tech stack includes ISOClaude by AnthropicOffice 365Microsoft AzureLinuxNode.jsMicrosoft SentinelMax Mega Menu.

What is DeepSeas's email format?

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DeepSeas's email format typically follows the pattern of First.Last@deepseas.com. Find more DeepSeas email formats with LeadIQ.

When was DeepSeas founded?

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DeepSeas was founded in 2001.
DeepSeas logo

DeepSeas

Computer and Network SecurityUnited States51-200 Employees

DeepSeas is a United States–based cybersecurity firm with three decades of experience in cyber defense. It provides advisory, compliance, and testing services to help clients advance their cybersecurity programs. Its MDR+ offering pairs the DeepSeas Cyber Defense Platform's data and automation with its team of analysts, engineers, and incident responders to cut through the noise and provide timely, validated threat notifications for threats that have bypassed existing defenses.

The company serves a global client base that includes Fortune 100 enterprises, mid-market organizations, municipal governments, higher education institutions, and federal agencies. Gartner has named DeepSeas a top-40 MDR provider, and Frost Radar placed it in the top five of its 2024 Global MDR Market ranking. In March 2026, DeepSeas appointed Lewie Dunsworth as chief executive officer.

Section iconCompany Overview

NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2001
Employees
51-200

Section iconFunding & Financials

  • $100M$250M

    DeepSeas's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    DeepSeas's revenue is estimated to be in the range of $100M$250M

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