Denial-of-service attack

Denial-of-service attack  (“cyberterrorism”)

A Denial-of-service (DOS) attack is designed to prevent users from accessing a service (typically a website).

Procedure

Denial-of-service attacks exploit the inescapable limitation that computers can only service a limited number of requests at any one time. By launching a large number of requests for a service, they exceed this capacity and prevent legitimate requests from being served.

Distributed Denial-of-service attack

A Distributed Denial-of-service (DDOS) attack comes from multiple sources simultaneously, making it harder to block. This requires synchronisation of multiple computers in different locations.

Perpetrators

An image of the suddenly increased traffic to his site which Craig Murray posted.

JTRIG carried out DDOS attacks, according to documents shared by Edward Snowden.

In mid March 2018, Craig Murray's blog was hit by a DDOS attack, although this did not prevent the site's surge in popularity corresponding with his strident criticism of the on about the Skripal affair.

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