John Visvardis
Information Security Investigator at Cook County Sheriff S Office
Based in Chicago, United States
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Seniority
Staff
Department
Information Technology
Location
Chicago
Industry
Law Enforcement
Company size
1.9K
Contact information
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j•••••••@cookcountysheriff.org
Phone
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Background
About John Visvardis
Dedicated law enforcement professional with over two decades of experience in corrections, crisis management, and public safety operations. Currently advancing my expertise with a Bachelor's in Criminal Justice and multiple certifications in cybersecurity, including ISC2 Certified in Cybersecurity (CC), Texas A&M Cybersecurity Awareness, and CEH Bootcamp. Trained at FLETC and BirDE in investigative interviewing and digital evidence acquisition, with a strong foundation in emerging cybercrime response and incident handling. Skilled in cross-functional leadership, critical incident response, and multi-agency coordination. Passionate about serving the community, mentoring youth, and protecting digital and physical environments.
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