Insider Threat Senior Analyst

Location: 4910 Tiedeman Road, Brooklyn Ohio Our Cyber Threat Management team rolls up into Key's broader Cyber Defense function within Corporate Information Security. Cyber Defense's mission is simple: We aim to Deter, Detect, Deny, and Disrupt adversaries through proactive threat-centric defense. The Senior Insider Threat and Threat Hunting Analyst is a key member of the Cyber Threat Management (CTM) team. This role has responsibilities across both Insider Threat and Threat Hunting functions, with a primary focus on Insider Threat and a secondary focus on Threat Hunting. In this role, you will perform handson technical analysis related to insider threat investigations and proactive threat hunting activities. You will also play a critical role in maturing both programs by assessing current capabilities, identifying potential enhancements, and recommending improvements to processes, tools, and detection strategies. This position blends deep technical execution with strategic program development to strengthen KeyBank's overall threat posture. You will develop and maintain a deep understanding of the insider threat and cyber threat landscapes, by utilizing threat intelligence related to insider threats, along with threat actor Tactics, Techniques and Procedures (TTPs), and their associated threats, to support mitigation efforts while leveraging frameworks such as MITRE ATT&CK. This position requires strong insider threat and threat hunting investigation skills, and advanced knowledge of cybersecurity fundamentals and concepts. Success in this role demands an independent, thorough, and adaptable individual who can deliver accurate and complete intelligence outputs. Key Responsibilities Hands-on experience in Insider Threat, including conducting sensitive investigations, use case development, detection development and Insider Threat platforms such as User and Entity Behavior Analytics (UEBA), User Activity Monitoring (UAM), Security Information and Event Management (SIEM) or similar technologies. Conduct comprehensive monitoring and analysis of insider threat indicators. Preserve evidence, prepare detailed reports, and present findings to key stakeholders, including HR and Legal. Hands-on experience in designing and executing proactive, hypothesis-driven threat hunts across endpoints, networks, and cloud environments, leveraging threat intelligence and behavioral indicators to uncover hidden threats. Apply deep knowledge of attacker tactics, techniques, and procedures (TTPs) to build proactive detections and alerts for potential adversary activities, leveraging threat intelligence and analytical insights. Skilled in using security platforms such as Extended Detection and Response (XDR) and Security Information and Event Management (SIEM), along with the ability to analyze logs from diverse sources including Windows, Linux, cloud environments, and network devices. Drive the evolution of the Insider Threat and Threat Hunt programs by advising on best practices, maintaining thorough documentation, enhancing metrics, and implementing improvements to increase organizational resilience. Good knowledge of the cyber threat landscape (financial sector experience is beneficial) and the ability to communicate those threats to senior leadership, technical and non-technical audiences. Apply frameworks (Ex. MITRE ATT&CK) to enhance detection and response. Leverage automation to enhance intelligence gathering and processing, utilizing scripting languages and standardized frameworks such as Python, APIs, and STIX/TAXII. Produce written reports, threat assessments, and briefings for technical and non-technical stakeholders. Collaborate closely within and outside of the CTM team. Participate, as needed, in technical incident response activities. Actively engage in tabletop exercise