Congratulations to tw-Security—2024 Best in KLAS® Security & Privacy Services!

We're #1! Thank you to all our partners and customers!

Kathy Elliott O’Neil, CHC, RP-CMMC, Senior Security Consultant

Kathy’s key areas of expertise include the design, implementation, and management of strategies to ensure compliance and alignment with federal and state regulations, frameworks, and standards in compliance regulatory framework environments including NIST, CMMC (800-171), SOC2, CSF, HIPAA, GDPR, DFARS, and others.

  • Former enterprise security lead compliance manager, compliance officer, and virtual compliance officer for a variety of healthcare organizations (healthcare clinics and integrated health care organizations).
  • Experience and knowledge in the compliance regulatory framework environments to include NIST, CMMC (800-171), SOC2, CSF, HIPAA, CSF, GDPR, DFARS, and others.
  • Certified in Healthcare Compliance and Registered Practitioner for Cybersecurity Maturity Model Certification (Department of Defense), formerly Certified Data Privacy Solutions Engineer.
  • Executive organizational risk management and security expert
  • Director-level experience developing business strategy and navigating compliance and regulatory requirements while executing improvement across diverse business ecosystems
  • Specialist at ensuring organizational advancement, strategic implementation, and risk management of compliance frameworks in a variety of industries of all sizes
  • Developed, implemented, and led project teams addressing organizational needs for compliance, security, application/software vendors (billing, scheduling, LMS, medical records, etc.) and specific projects (PCI compliance, disaster planning, incident management, hardware, etc.)
  • Performed, and managed compliance and security assessments, defined business requirements, conducted risk analysis, audits, and managed vendor management programs
  • Developed and managed compliance and audit teams, product development, strategic planning, privacy, security, vulnerabilities, policies, processes, standards and governance structures for organizations in industries including healthcare, banking, manufacturing, and local and county governments
  • Experience in creating project charters, defining scope, critical success factors, and deliverables, creating work breakdown structures, schedules, budgets, and reports, and communicating with stakeholders
  • Experienced with documenting system capabilities, writing specifications and use cases, and capturing processes, procedures, and policies
  • Helps implement technology solutions and clearly communicates plans, statuses, and progress reporting to all stakeholders, facilitators, and partners


  • B.S. Human Ecology, University of Wisconsin, Madison, Wisconsin
  • Executive Education Series, University of Wisconsin, Madison, Wisconsin


  • Certified in Health Care Compliance and Registered Practitioner for Cybersecurity Maturity Model Certification (Department of Defense)
  • Former Certified Data Privacy Solutions Engineer

“Kathy O’Neil came to us highly recommended by our partner Talus Solutions. tw-Security is fortunate to have someone of Kathy’s caliber join our team. Her calm, professional demeanor makes working with her a delight. Glad to have you on our team, Kathy!”

–Tom Walsh, Founder and Managing Partner, tw-Security