Top Indianapolis Cybersecurity Companies

Compare cybersecurity capabilities for organizations in Indianapolis seeking stronger detection, response, risk management, and compliance support. DeepSeas combines managed detection and response, offensive security, advisory, governance, risk and compliance, and threat intelligence into customized programs. Coverage can support Indiana organizations across IT, cloud, operational technology, mobile, and BYOD environments while helping leaders make cyber risk measurable and actionable.

Cybersecurity analysts monitoring threat activity across enterprise systems

Our Cybersecurity Services

Integrated cybersecurity services help organizations detect threats, reduce exposure, strengthen programs, and demonstrate measurable security outcomes.

Managed Detection Response

DeepSeas provides continuous detection, investigation, and response across endpoint, network, cloud, identity, email, SaaS, and operational technology environments using existing security tools.

Penetration Testing

Ethical hackers use manual testing, adversary emulation, and real attacker tradecraft to identify exploitable weaknesses across networks, cloud environments, applications, APIs, and human processes.

Risk Assessments

Cybersecurity risk assessments identify strengths, weaknesses, likely impacts, and prioritized treatments through stakeholder interviews, asset inventory, risk workshops, and formal documentation.

Exposure Management

Continuous external attack surface monitoring, vulnerability prioritization, dark web intelligence, and remediation tracking help organizations focus on the exposures most likely to lead to compromise.

Security Advisory

Strategic advisors and virtual CISOs provide leadership for security strategy, governance, executive reporting, budgeting, compliance, board conversations, and program transformation.

GRC And Compliance

Governance, risk, and compliance services support control development, evidence collection, readiness, continuous monitoring, audit preparation, and frameworks including ISO 27001, SOC 2, HIPAA, NIS2, and PCI DSS.

Complete Cyber Defense

Cybersecurity Built Around Your Risk

Indianapolis organizations need security programs that connect technology, people, governance, and response rather than adding another disconnected tool. DeepSeas combines managed detection and response with offensive security, exposure management, advisory, threat intelligence, and GRC. Its practitioner-led approach supports existing SIEM, EDR, and CNAPP investments while helping teams improve visibility, prioritize action, and document measurable progress.

Cybersecurity professionals reviewing enterprise risk and threat intelligence
Evidence-Based Protection

Security Outcomes

DeepSeas helps organizations turn cybersecurity activity into clearer decisions, stronger defenses, and documented risk reduction.

"DeepSeas data security experts are top notch. They have helped us to improve our cybersecurity posture through risk assessments, penetration testing, and the development of a Data Governance Strategy. They are an invaluable partner."

Christine
Christine
The DeepSeas Difference

Why Choose DeepSeas?

DeepSeas combines experienced practitioners, integrated capabilities, and measurable security operations for complex organizations.

Deep Experience

Approximately 30 years of cyber defense experience supports informed guidance for complex security challenges.

Always-On Coverage

24/7 monitoring, detection, and response support organizations that cannot staff a continuous security operation internally.

Integrated Services

One cyber defense partner connects advisory, offensive security, intelligence, MDR, SOC, and GRC capabilities.

Existing Tools

Bring-your-own-stack support helps Indianapolis organizations build on established SIEM, EDR, and CNAPP investments.

Meet The DeepSeas Team

Experienced cybersecurity practitioners guide strategy, operations, risk, and compliance.

Portrait of Lewie Dunsworth, Chief Executive Officer at DeepSeas

Lewie Dunsworth

Chief Executive Officer

Lewie Dunsworth serves as Chief Executive Officer of DeepSeas, leading the company's mission to make cybersecurity a strategic advantage for nearly 1,000 organizations worldwide. Under his leadership, DeepSeas has grown into a recognized leader in Managed Detection and Response, earning recognition from Gartner and Frost & Sullivan as a top provider in the industry. Lewie drives the company's vision across its six-layer cyber defense stack, spanning strategic advisory, offensive security, threat intelligence, managed detection and response, the CyberFusion SOC, and governance, risk and compliance. He is committed to ensuring that enterprise, mid-market, government, and education clients receive proactive, measurable, and customized cybersecurity outcomes. Lewie's leadership reflects nearly three decades of industry experience and a steadfast focus on client trust and operational excellence.

Portrait of Keith Robertson, Risk Management and Compliance Executive at DeepSeas

Keith Robertson

CISM, CIPP/E, SANS GCIH, GIAC, HITRUST

Keith Robertson brings 25 years of governance, risk management, and compliance experience to DeepSeas, including prior service as a Fortune 500 Chief Security Officer and Enterprise Risk Officer. He holds an impressive array of certifications, including CISM, CIPP/E, SANS GCIH, GIAC, and HITRUST, reflecting his comprehensive expertise across security management, privacy, incident handling, and healthcare compliance. Keith's executive-level experience gives him a unique perspective on enterprise risk, allowing him to help DeepSeas clients align cybersecurity strategy with broader business objectives. His background in high-stakes corporate security leadership positions him well to guide organizations through complex governance challenges and regulatory requirements. Keith is committed to helping clients build mature, enterprise-grade risk management programs that support long-term security and compliance success across diverse industries.

Portrait of Sean Duffy, Cybersecurity and Legal Advisor at DeepSeas

Sean Duffy

CISSP, CCSK, Licensed Attorney

Sean Duffy combines 25 years of cybersecurity experience with a unique legal background, holding both CISSP and CCSK certifications as well as a license to practice law. A United States Navy veteran, Sean brings a disciplined, mission-focused approach to his work advising C-suite executives and boards of directors on cybersecurity strategy and risk. His legal expertise allows him to provide clients with a nuanced understanding of regulatory and liability considerations alongside technical security guidance, a combination that is especially valuable for organizations navigating complex compliance landscapes. Sean's extensive advisory experience makes him a trusted voice for senior leadership teams seeking to understand cybersecurity risk in business terms. His military background and legal training reflect the depth and diversity of expertise that defines the DeepSeas team.

Portrait of Matt Lammers, CISO and IT Risk Executive at DeepSeas

Matt Lammers

CISSP, HITRUST

Matt Lammers is an experienced CISO and IT risk executive who brings both deep technical certification and management consulting experience to DeepSeas. Holding CISSP and HITRUST credentials, Matt has built a career helping organizations strengthen their cybersecurity posture while managing enterprise-level risk. His consulting background equips him with strong skills in translating complex security concepts into actionable business strategies for executive stakeholders. Matt's international perspective, including his status as an Australia permanent resident, gives him valuable insight into global compliance and security considerations that benefit DeepSeas clients operating across borders. He is dedicated to helping organizations build resilient, well-governed cybersecurity programs that align with both operational needs and executive priorities, reinforcing DeepSeas' commitment to customized, outcome-driven security solutions.

Frequently Asked Questions

What cybersecurity services does DeepSeas provide?

DeepSeas provides managed detection and response, endpoint and network monitoring, penetration testing, compromise assessments, exposure management, vulnerability management, incident response, strategic security advisory, virtual CISO support, governance and compliance services, risk assessments, tabletop exercises, and security program development. Services can be combined into an integrated cyber defense program or selected to address a specific organizational need.

Does DeepSeas provide cybersecurity services in Indianapolis?

What is managed detection and response?

Can DeepSeas work with our existing security tools?

What does penetration testing identify?

How can a cybersecurity risk assessment help an organization?

Does DeepSeas support compliance and audit preparation?

Can DeepSeas provide virtual CISO leadership?

Ready To Strengthen Your Security Program?

Talk with DeepSeas about your risks, priorities, and existing security environment.

Recognized Cybersecurity Provider

Awards and Recognition

ISO Lead Auditor certification representation

ISO Lead Auditor certifications

ISO Lead Auditor certifications held by DeepSeas specialists.

Gartner top 40 MDR provider recognition

Gartner top 40 MDR provider

Recognition as a top 40 Managed Detection and Response provider.

2024 Frost Radar MDR Leader recognition

2024 Frost Radar MDR Leader

Leader and top-five provider in the 2024 Frost Radar market.

Frost and Sullivan 2024 award recognition

Frost & Sullivan 2024 Award

Competitive Strategy Leadership Award for Managed Detection and Response.

2024 Global MDR Best Practices Award

2024 Global MDR Award

Global MDR Best Practices Award for Strategy recognition.

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