John Clark
Executive Director, Office of the CISO
John Clark is an information security professional with over 20 years of experience in various industry sectors including legal firms, financial services, utility companies, and technology service providers. As executive director, executive solutions in the Office of the CISO at Optiv, Clark leverages his experience and passion to help organizations build and improve business-focused security strategies and programs.
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Cybersecurity Field Guide #13: A Practical Approach to Securing Your Cloud Transformation
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