Aaron Ehrmann

Aaron Ehrmann

Vice President, Cybersecurity Threat Management - Insider Threat Intelligence @ Northern Trust

About

💼 What I do - I’m a counterintelligence (CI) agent, human intelligence (HUMINT) collector, and operational security advisor supporting U.S. defense intelligence operations and national security objectives. I specialize in offensive counterintelligence operations, sensitive HUMINT collection activities, cyber operations, investigations, threat assessments & analysis, and implementing security strategies to enhance the protection of U.S. personnel, sensitive information, and critical infrastructure. 🌎 My Experience -I bring 14 years of cross-functional operational knowledge and proven Marine Corps leadership, including 9 years dedicated to conducting sensitive CI and HUMINT intelligence operations across the globe. I've led geographically dispersed teams, managed high-visibility security missions, advised executive leaders on security policies, and have built long-standing partnerships across the intelligence community to drive mission success. The roles I've held throughout my Marine Corps career have equipped me with the skills, adaptability, and knowledge required to perform effectively in complex, high-risk environments. 📦 What I Bring - ✅ Deep understanding of protective intelligence collection methodologies & analysis✅ Recognized for advanced proficiency in operational tradecraft✅ Expertise in threat assessments & risk mitigation strategies✅ Skilled in cyber operations & cyber threat intelligence ✅ Background in developing corporate security strategies & programs✅ Insider threat detection & behavioral risk analysis✅ Global travel risk assessments & executive protection support✅ Leadership in training, team development, & organizational planning✅ Active TS/SCI + counterintelligence scope polygraph🗂 What I've learned from my Marine Corps experience - No matter the environment, success depends on preparation, adaptability, leadership, and teamwork. I’ve learned to anticipate difficulties before they become problems, to be accountable for myself and my team, and to always perform, no matter the circumstances.

Country

-

City

United States

Industry

Military

Skill

Threat Intelligence Collection & Analysis, Global Security Operations, Insider Threat Detection & Mitigation, Program Management, Protective Intelligence Collection & Analysis, Offensive Counterintelligence, Critical Thinking, Operational Planning, Report Writing, Report Preparation, Record Keeping, Threat Intelligence, Surveillance, Counter Surveillance, Sensitive Information, Strategic Intelligence, Computer Forensics, Cybersecurity, Cybercrime Investigation, Cyber Threat Hunting (CTH)

Experience

Northern Trust

Vice President, Cybersecurity Threat Management - Insider Threat Intelligence

Northern Trust

LinkedIn
2026-2 - Present · 8 mos

Chicago, IL

U.S. Marine Corps Forces Cyberspace Command (MARFORCYBER)

Counterintelligence Agent, Cyber Operations

U.S. Marine Corps Forces Cyberspace Command (MARFORCYBER)

LinkedIn
2023-5 - 2026-5 · 3 yrs 1 mo

Fort George G. Meade, Maryland, United States

- Separating from active-duty service April 2026.

United States Marine Corps

Counterintelligence Agent

United States Marine Corps

LinkedIn
2017-5 - 2023-5 · 6 yrs 1 mo

Camp Pendleton, California

United States Marine Corps

Aircraft Maintenance Supervisor

United States Marine Corps

LinkedIn
2012-4 - 2017-5 · 5 yrs 2 mos

Camp Pendleton, California

Education

University of Arizona

University of Arizona

LinkedIn

Cyber Operations - Defense & Forensics

Expected graduation - December 2025

American Military University

American Military University

LinkedIn

Intelligence Studies

Aaron Ehrmann's Contact Information

Email

******@***.com

Phone

(**) *** ****

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