Fellow
United States – 1994
CITATION

For his dedicated service as founder and moderator of the ACM Forum on Risks to the Public in the Use of Computers and Related Systems. His work with RISKS Forum on-line, in the Software Engineering Notes, and in CACM has increased awareness of security

Outstanding Contribution to ACM Award
United States – 1992
CITATION

For his dedicated service as founder and moderator of the ACM Forum on Risks to the Public in the Use of Computers and Related Systems. His work with RISKS Forum on-line, in the Software Engineering Notes, and in CACM has increased awareness of security and safety issues in computer systems in relation to the public interest and has brought ACM to many people's attention.