Hal was an independent consultant and past president of the International Information System Security Certification Consortium (ISC)2. He was the director of Computer Security for Rockwell International Corporation for 15 years. He initiated the Rockwell computer and data security program in 1977 and then continued to administer, develop, enhance, and expand the program to accommodate the control needs produced by technological advances until his retirement from Rockwell in 1994. He was a member of the Information Systems Security Association (ISSA) since 1982, president of the Los Angeles Chapter in 1984, and president of the national organization of ISSA from 1987 to 1989. He was added to the ISSA Hall of Fame and the ISSA Honor Roll in 2000. He received the Computer Security Institute "Lifetime Achievement Award" in 1994 and the (ISC)2 "Hal Tipton Award" in 2001. He was a member of the National Institute for Standards and Technology (NIST) Computer and Telecommunications Security Council and the National Research Council Secure Systems Study Committee (for the National Academy of Science). He received a bachelor of science degree in engineering from the U.S. Naval Academy, a master’s degree in personnel administration from George Washington University, and a certificate in computer science from the University of California, Irvine. He published several papers on information security issues in the Information Security Management Handbook, Data Security Management, Information Systems Security, and the National Academy of Sciences report Computers at Risk.
He was a frequent speaker at all major information security conferences, including the Computer Security Institute, ISSA Annual Working Conference, Computer Security Workshop, MIS Conferences, AIS Security for Space Operations, DOE Computer Security Conference, National Computer Security Conference, IIA Security Conference, EDPAA, UCCEL Security and Audit Users Conference, and Industrial Security Awareness Conference. He conducted and participated in information security seminars for (ISC)2, Frost & Sullivan, UCI, CSULB, System Exchange Seminars, and the Institute for International Research.