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2. Denial-of-service attack - Wikipedia

   en.wikipedia.org/wiki/Denial-of-service_attack

   Diagram of a DDoS attack. Note how multiple computers are attacking a single computer. In computing, a denial-of-service attack (DoS attack) is a cyber-attack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to a network.

3. Blue screen of death - Wikipedia

   en.wikipedia.org/wiki/Blue_screen_of_death

   Blue screen errors have existed since the first beta release of Windows 1.0; if Windows found a newer DOS version than it expected, the boot screen would have the text "Incorrect DOS version" alongside other messages detailing what check failed to pass appended into it before starting normally. [4]

4. Fork bomb - Wikipedia

   en.wikipedia.org/wiki/Fork_bomb

   The concept behind a fork bomb — the processes continually replicate themselves, potentially causing a denial of service. In computing, a fork bomb (also called rabbit virus) is a denial-of-service (DoS) attack wherein a process continually replicates itself to deplete available system resources, slowing down or crashing the system due to resource starvation.

5. Zip bomb - Wikipedia

   en.wikipedia.org/wiki/Zip_bomb

   In many anti-virus scanners, only a few layers of recursion are performed on archives to help prevent attacks that would cause a buffer overflow, an out-of-memory condition, or exceed an acceptable amount of program execution time. [citation needed] Zip bombs often rely on repetition of identical files to achieve their extreme compression ratios.

6. DDoS mitigation - Wikipedia

   en.wikipedia.org/wiki/DDoS_mitigation

   DDoS attacks are executed against websites and networks of selected victims. A number of vendors offer "DDoS-resistant" hosting services, mostly based on techniques similar to content delivery networks. Distribution avoids a single point of congestion and prevents the DDoS attack from concentrating on a single target.

7. Conficker - Wikipedia

   en.wikipedia.org/wiki/Conficker

   Conficker, also known as Downup, Downadup and Kido, is a computer worm targeting the Microsoft Windows operating system that was first detected in November 2008. [2] It uses flaws in Windows OS software (MS08-067 / CVE-2008-4250) [3] [4] and dictionary attacks on administrator passwords to propagate while forming a botnet, and has been unusually difficult to counter because of its combined use ...