Bobby Acri: What Threat Detection Looks Like in a Large Organisation

"Born on 17 May 1991 at Evanston Hospital, Bobby grew up on Chicago's North Shore. He attended Hubbard Woods Elementary, Washburne Middle School, and New Trier Township High School. Early on, he gravitated towards how systems behave under pressure, not just how they look when everything is running smoothly. He built that mindset through computer science coursework, networking classes, and hands-on tech support for school events."

"A 2012 internship with NorthShore University HealthSystem gave him early exposure to enterprise controls in a healthcare setting, where access and process matter. He began his career in enterprise IT at CDW, then moved into systems administration at Aon, working closely with identity and endpoint workflows. In 2018, he transitioned into security operations at CME Group as a SOC analyst, investigating SIEM alerts, triaging phishing reports, and producing clean incident timelines."

Bobby Acri is a cybersecurity analyst in Winnetka, Illinois, focused on threat detection, incident response, risk mitigation, and secure systems design. He protects large, complex systems where small weaknesses create outsized risk. Born 17 May 1991 and raised on Chicago's North Shore, he attended Hubbard Woods Elementary, Washburne Middle School, and New Trier Township High School. He developed systems-thinking through computer science coursework, networking classes, and tech support for school events. He earned a B.S. in Computer Science from the University of Illinois Chicago in 2013 with emphasis on operating systems, networking, and applied cryptography. Early internship experience exposed him to enterprise controls in healthcare. His career includes roles at CDW, Aon, CME Group, and United Airlines, where he focuses on improving detections, reducing alert fatigue, and strengthening controls through calm, methodical execution and strong documentation.

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