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• "Connected Vehicle Security."  2020 International Conference on Cyber Warfare and Security (ICCWS). Norfolk, VA. March 12-13, 2020.

• Cybersecurity Panel. TeCMEN Industry Day. Fort Walton Beach, FL. August 29, 2019.

• "Industrial Control Systems Security Research and Faculty Development Workshop."  CAE Northeast Regional Resource Center Meeting, Boston, MA. October 19-20, 2017.

• " Cybersecurity Risk: Increasing Campus Protocols and Awareness." Workshop conducted at the 2017 Annual Association of College and University Auditors (ACUA) Conference. Phoenix, AZ. September 24-27, 2017.

• "Industrial Control Systems (ICS) Security." Lecture conducted for the Center for Academic Excellence (CAE) Critical Infrastructure and ICS Workshop. 9th Annual Cyber Summit. Huntsville, AL, June 7, 2017.

• " Social and Behavioral Modeling of Trustworthy Cyberspace." Keynote address delivered at the 2015 International Symposium of Psychology and Behavior in China. Zhejiang University and Chinese Psychological Society. Jiaxing, China (September, 2015).

• " Cybersecurity and Digital Image Forensics: Developments and Research Directions." Keynote address delivered at the 2012 International Conference on Image Analysis and Signal Processing (IASP 2012). Zhejiang University of Media and Communications Huangzhou, Zhejiang, China (November, 2012).

• " Image Security, Forensics, and Digital Rights Management. " Keynote address delivered at the 2010 International Conference on Image Analysis and Signal Processing (IASP 2010). Huaqiao University, Xiamen, China (April, 2010).

• " Video Forensics. " Keynote address delivered at the 2009 International Conference on Image Analysis and Signal Processing (IASP 2009). Taizhou University, China (April, 2009).

• " US Security Regulations and Compliance Toolkit." Legal Frameworks for Information and Communications Technologies Conference and Workshop. Sliema, Malta (May, 2007)

• " Digital Forensics " Legal Frameworks for Information and Communications Technologies Conference and Workshop. Sliema, Malta (May, 2007)

• " Digital Forensics and Investigation " US Embassy, Floriana, Malta (May, 2007)

• " Revisiting Technology and Curricula Integration and Learning from It." Keynote speech. 3rd Annual Curricula Best Practices Symposium. Manila, Philippines (2001)

• " Information Technology: The State of Innovation." Rotary Club of Central Tarlac Meeting. (1997)

• " Technology Initiatives in North America." First National Workshop on Information Technology in Education. Manila, Philippines (1997).

• " A Glimpse of the Past, A Lesson for the Future. " First Inaugural Session of the Filipino American Association of Northeast Alabama (FAANEA) (1996)