A Denial of Service (DoS) attack compromises a targets integrity and exposure to their users or staff, effectively rendering whole websites, systems or resources as unavailable. DoS attacks as well as their bigger brother, Distributed Denial of Service, are rather straightforward in terms of how they operate and how to launch them; this fact drastically increases the possibility that your company or network might become the victim of a DoS attack.

What is a UDP Flood Attack (DoS)

by Paul Joyce

A User Datagram Protocol flood attack is a type of denial of service attack (DoS) which relies on the basis that UDP connections are stateless. We recently discussed about TCP SYN attacks being used to DoS targets; now we’re talking about UDP which doesn’t work on the 3 way handshake of TCP. One benefit of […]

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What is a TCP SYN Flood Attack (DoS)

by Paul Joyce

Today we’re looking at a specific type of DoS attack; the SYN flood denial of service attack. Although this type of attack can just as equally be performed as a DDoS attack, the examples we’ll use are for a standard single-source denial of service. A SYN-flood attack works by consuming resources on the targets machine […]

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Explaining Denial of Service Attacks

by Paul Joyce

Denial of Service attacks (DoS attacks) are rather simplistic in nature and devilishly easy to launch. In their simplest form against a well patched and updated system they don’t usually pose too much of a threat, however like most things they have bigger and more dangerous brothers out there. Sometimes its hard to explain a […]

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