Coopers & Lybrand Coopers & Lybrand L.L.P. a professional services firm CONSENT OF INDEPENDENT ACCOUNTANTS We consent to the inclusion in this registration statement on Form S-3 of our report dated January 26, 1998, on our audits of the financial statements and financial statement schedules of HSB Group, Inc. /s/ Coopers & Lybrand L.L.P. Hartford, Connecticut May 19, 1998