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Denial of service attack — OCR GCSE Computer Science Definition | GradeGen

Home
Computer Science
Key terms
Denial of service attack

GCSE Computer Science · key term

Denial of service attack

Definition

An attack that overwhelms a server or network with traffic or requests, preventing legitimate users from accessing its services.

Used by OCR

How each exam board covers it

OCR GCSE Computer Science · J277

Paper 1

Revise: Forms of Attack

OCR Computer Science past papers

Exam tips

1
A denial of service attack aims to make a service unavailable. It does not necessarily steal or delete data.

Related key terms

Brute-force attack
Data interception
Data theft
Malware
Phishing

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Social engineering