Solutions | Strategic Security Advisory

A Trusted CISO,
On Your Terms

Senior security leadership you can scale up or down, guiding risk mitigation, policy development, and technical transformation without adding headcount.

These Great Organizations Trust DeepSeas

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Transform Your Cyber Posture, Flexibly

DeepSeas provides tailored Strategic Security Advisory programs:

  • Strategic Office Hours Advisor
  • Full-time Strategic Security Advisor

Scale these services to fit your needs without added overhead.

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Complete, Precise

An experienced cyber executive who follows proven methodology will augment your team, guiding risk mitigation, policy development, and technical transformation projects.

Stay ahead of risks and focus on your core business.

The Benefits of Strategic Security Advisory Services

Complete Assessment

Know what’s actually happening with your posture.

A Real Partner

Get a security executive added to your team on-demand.

KPI-focused Process

Get a tailored cyber defense roadmap based on real metrics.

Use As Much As You Need

Scale our services up and down as required.

CISOs Work Here

John Matis

CISSP, CEH

  • 3x CISO
  • 20+ years in cybersecurity
  • LT in USCG
  • MS in Financial Engineering; BS in Information Systems

Stan Letarte

CISM, Certified Six Sigma Green Belt

  • 50 years in IT and cybersecurity
  • Expertise in financial services and software security
  • Keynote speaker
  • BS in Electrical Engineering

Barry Hofecker

ISACA - CISM, EcFirst - CCSA, GIAC - ISO-27000

  • 30 years in information security, risk management, governance, and compliance
  • Expertise in NIST, ISO, GLBA, HIPAA, and PCI
  • MS in Information Security and Assurance
  • Keynote speaker

Rachel Sheley

ISC2 - HCISPP

  • 24+ years in Information Technology and 7+ years in Information Security
  • Governance, Risk Compiance, IT Management
  • Expertise – NIST, HIPAA, ISO, HITRUST, SOC2, GLBA+
  • Bachelor’s degree in Information Technology; Master’s degree in Information Systems;
  • Graduate certificates in Cybersecurity & Advanced Cybersecurity

Keith Robertson

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

  • Former CSO and Enterprise Risk Officer for a Fortune 500
  • 25 years in governance, risk management, and compliance
  • Extensive knowledge of DFS, DFARS, GDPR, HIPAA, PCI, HITRUST, HITECH, ISO,
  • SOX, COBIT, NIST, FISMA, CMS, FERPA, GLBA, CMMC, FEDRAMP, and ITIL
  • BS in Management Information Systems

Sean Duffy

CISSP, CCSK, Licensed Attorney

  • 25 years in cybersecurity
  • Deep experience in C-suite and board advisory
  • US Navy Veteran

Matt Lammers

CISSP, HITRUST

  • CISO and IT Risk Executive.
  • Experienced Management Consultant.
  • Native English speaker. Australia PR.

Mark Northrup

CIO,CISO

  • Technology executive focused on digital vision and strategic direction
  • Expert in IT operations, enterprise strategy, and business transformation
  • Experienced leader across global IT organizations and Big 4 consulting firms
  • Specializes in IT leadership, strategy, governance, cybersecurity, and innovation

Frequently Asked Questions

DeepSeas leverages deep partnerships with vendors, organizations, and practitioners in all aspects of IT, security, and compliance to ensure we can build the best, state-of-the- art programs for our clients. The easiest way to see how DeepSeas can work for your organization is to send us a message and help us scope a solution that can fit your needs

⁨⁨Deepseas specializes in:

1. Healthcare & Life Sciences

2. Higher Education and SLED

3. Financial Services, including Insurance

4. Manufacturing

Absolutely! We showcase a range of case studies and success stories demonstrating how our cybersecurity solutions help organizations strengthen security, reduce risk, and achieve compliance. Explore these examples on our Case Studies page, or contact us at info@deepseas.com to request stories tailored to your industry or specific needs.