John Bandler is a lawyer, consultant, author, teacher, and speaker who helps individuals and organizations navigate today's risks. He helps others better understand areas of law, cyber, cyberlaw, cybersecurity, cybercrime prevention and investigation, traditional crime, criminal justice, anti-money laundering, anti-fraud, and more.

As an adjunct at John Jay, he teaches and undergraduate course on cyberlaw, an essential area to know about for today's era of government, law, and society. He also teaches other places at the undergraduate, graduate, and law school level, and has built online courses to bring his materials to a broader audience.

John runs a law firm and consulting practice focusing on cyberlaw, cybersecurity, cybercrime investigations, traditional investigations, anti-money laundering, anti-fraud, and more.

John is the author of four books, numerous articles, and is a frequent speaker.

The books are:

• Cyberlaw: Law for Digital Spaces and Information Systems (2025)
• Policies and Procedures for Your Organization: Build solid governance documents on any topic ... including cybersecurity (2024)
• Cybercrime Investigations: A Comprehensive Resource for Everyone (2020)
• Cybersecurity for the Home and Office: The Lawyer’s Guide to Take Charge of Your Own Information Security (2017).

Before joining the private sector, John served in government for over twenty years, first as a state trooper in the New York State Police, gaining a broad array of policing experience and serving in one of the state's busiest stations where the State Police was the community's primary police agency.  He also served as a commissioned officer in the New York Army National Guard and U.S. Army Reserve. He attended law school at night and then served for thirteen years as a prosecutor at the New York County District Attorney's Office, where he investigated and prosecuted all manners of criminal conduct including street crime, financial fraud, identity theft, money laundering, cybercrime, and the criminal use of virtual currencies. During the successful investigation and prosecution of an international cybercrime ring, which convicted U.S. based identity thieves as well as international cybercriminals, he gained unique insights into cybercrime, identity theft, payments, and the many investigation and proof issues that arise. 

John holds a B.A. from Hamilton College (with a major in physics and a minor in computer science) and a J.D. from Pace University School of Law in 2002. Since graduating law school he has continued his learning in many ways, including through certifications, and each time he writes, speaks, or teaches.