










A Trusted CISO Counsel,
At Your Fingertips




Transform Your Cyber Posture, Flexibly
DeepSeas provides tailored Strategic CISO Advisory programs:
- Strategic Office Hours Advisor
- Full-time CISO Advisor
- Virtual/Deputy CISO
Scale these services to fit your needs without added overhead.


Complete, Precise.
An experienced cyber executive CISO who follows proven methodology, will augment your team to guide risk mitigation, policy development, and technical transformation projects.
Stay ahead of risks and focus on your core business.
The Benefits of Strategic CISO 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.