Weekly Expert Lectures and Seminars

Continuous Education. Made Easy.

Weekly expert cybersecurity lectures, a book club, a curated resource library, and a private community waiting to answer your questions.


Lead Instructor Sergio Caltagirone

Sergio Caltagirone has been called the "Godfather of Threat Intelligence" having built over a dozen threat intelligence teams in both public and private sector and leading the development of threat intelligence worldwide with hundreds of publications and presentations. He co-created the Diamond Model of Intrusion Analysis, helping thousands of others bring more pain to adversaries by strengthening hunters and analysts. He spent 9 years at the US National Security Agency as their lead threat intelligence analyst hunting and tracking the world's most sophisticated threats. He left NSA to build Microsoft's threat intelligence capability and practice protecting over 1 billion customers from cyber threats. Later, Sergio built and led the world's only dedicated industrial control system threat intelligence team at Dragos protecting electric power grids, water systems, oil and gas plants, and manufacturing worldwide. He furthers several humanitarian goals through membership on the International Committee of the Red Cross cybersecurity experts committee and serving as Technical Director for the Global Emancipation Network combating human trafficking on the internet globally.

Assistant Professor Dr. Xena Olsen

Dr. Xena Olsen is a SANS Women’s Academy graduate with an MBA in IT Management and a Doctorate in Cybersecurity from Marymount University. She has proven competency across eight functional areas of information security, as demonstrated through the following GIAC certifications: GSEC, GCIH, GCFE, GMON, GDAT, GPEN, GCTI, and GXPN. Xena is a recognized leader and known public speaker with expertise in cyber threat intelligence, purple teaming, and business strategy. She has spoken at BlackHat Asia, the US Department of Defense, the United Nations World Food Programme, ShmooCon, Derbycon, RSA Conference, SANS Summits, Ekoparty, Confidence Conference, and more. She is actively involved in the community by serving on CFP Advisory Boards for various conferences, such as SANS and NCSC’s CyberThreat Summit, SANS PenTest HackFest, and CactusCon. She is also a member of the Financial Services Information Sharing and Analysis Center (FS-ISAC), Infragard Chicago, Yara Exchange, Curated Intel, and other vetted Cyber Threat Intel Sharing Groups.

Assistant Professor Casey Brooks

Casey Brooks holds the position of Principal Adversary Hunter at Dragos Inc., following a tenure as a Senior Cyber Threat Intelligence Analyst with Capgemini North America and Leidos Cyber embedded within an Oil and Gas client's Threat Intelligence Team in the U.S. He specializes in analyzing and defending against state-sponsored espionage and ICS threats targeting IT and OT systems. Mr. Brooks strongly focuses on adversary threat hunting, intelligence analysis, network defense operations, and systems analysis. Before joining the private sector, he served for 12 years in the United States Army, fulfilling roles as a Cryptologic Network Warfare Specialist (35Q), Cyber Operations Specialist (17C), and Cavalry Scout (19D). Mr. Brooks holds the following certifications: CREST Registered Threat Intelligence Analyst, GIAC Cyber Threat Intelligence, GIAC Certified Incident Handler, GIAC Certified Forensic Analyst, and GIAC Network Forensic Analyst.