(computing) Initialism of decision support system.

Initialism of Department of Social Services. / (Britain) Initialism of Department of Social Security. / (government, US) Initialism of Diplomatic Security Service.

plural of DS

plural of DSS

(computing, initialism, payment) Initialism of Payment Card Industry Data Security Standard (a proprietary information security standard for organizations that handle branded credit cards from the major card schemes)

plural of DSS