(Internet) A distributed denial-of-service attack, one that originates from many different (geographically and network topographically) sources, on a network of networks such as the Internet.

(Internet security) Alternative spelling of DDOS

plural of DDO

Initialism of David Dunlap Observatory. / Initialism of Dollard-des-Ormeaux (municipality in the province of Quebec, Canada.)

(software) Initialism of dynamic drive overlay (a type of computer software; a form of driver)

plural of DDoS

plural of DDOS