distributed denial of service

noun phrase

: an attempt to interfere with the normal operations of an online service (such as a website or app) by overwhelming it with repeated automated requests for data from multiple sources
Although computer viruses, worms and other so-called malware can be countered with good security practices and up-to-date defensive software, distributed denial of service attacks are hard to protect against.John Schwartz
A new distributed denial-of-service tool found recently in computers at several universities may be able to avoid defenses put up by Web sites …Jack McCarthy
abbreviation DDoS

Word History

First Known Use

1998, in the meaning defined above

Time Traveler
The first known use of distributed denial of service was in 1998

Dictionary Entries Near distributed denial of service


distributed denial of service


Cite this Entry

“Distributed denial of service.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/distributed%20denial%20of%20service. Accessed 18 May. 2024.

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