Daniel Callahan Email & Phone Number

Sterling, Va, Us

Washington, District Of Columbia, United States

Perform investigations into recently terminated employees to ensure there is no suspicious/malicious activity, or exfiltration of data which would be considered confidential/restricted/proprietaryAssist in training incoming analysts on investigation workflow and escalation processesPerformed email analysis leveraging Cofense SPAM solution to identify potential campaigns targeting CVS Health Colleges. If campaign was identified leverage standard operating procedures to assist in triage and mitigation actions. When necessary perform blocking actions to prevent any potential compromise within the CVS environmentAs a special assignment partner with the Insider Threat Team to review data exfiltration being performed by CVS Health colleagues. Identify CVS restricted data types and prevent data leakages based on established processes. Should a violation occur either issue a warning to the user or escalate to the appropriate teams for further actioningCollaborate with the Cyber Threat Intelligence Team through our standard RFI process whereby advanced IOC analysis would need to be performed. Once data has been provided by CTI leverage this information as a part of my analysis to assist in determinationParticipated in the launch of CVS's new Security Orchestration and Automation Solution from providing platform requirements for SOC operations as well as user acceptance testing. Identify and document bug fixes and workflow challenges. Validate fixes before deployment into productionTriage investigation requests that are sent to the shared SOC inbox

Performed initial triage of alerts received and utilize SIEM and EDR tools to gather artifacts and perform log analysis in accordance with SLA requirementsWrite and present detailed reports of all available details to stake holders related to investigated alerts and make recommendations for remediation if necessaryMaintain continuity with other shifts through regular turnovers detailing trends, and notable alerts investigatedBuilt dashboards for the SOC to utilize during the initial rollout of the new Threat Connect SOAR platform

Education record

Network Support Technician, Certified Ethical Hacking

Associate Of Science - As, Recording Arts Technology/Technician