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  2. Denial-of-service attack - Wikipedia

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

    The shrew attack is a denial-of-service attack on the Transmission Control Protocol where the attacker employs man-in-the-middle techniques. It exploits a weakness in TCP's re-transmission timeout mechanism, using short synchronized bursts of traffic to disrupt TCP connections on the same link. [98]

  3. DDoS attacks on Dyn - Wikipedia

    en.wikipedia.org/wiki/DDoS_attacks_on_Dyn

    On October 21, 2016, three consecutive distributed denial-of-service attacks were launched against the Domain Name System (DNS) provider Dyn.The attack caused major Internet platforms and services to be unavailable to large swathes of users in Europe and North America.

  4. Distributed denial-of-service attacks on root nameservers

    en.wikipedia.org/wiki/Distributed_denial-of...

    On October 21, 2002 an attack lasting for approximately one hour was targeted at all 13 DNS root name servers. [1] The attackers sent many ICMP ping packets using a botnet to each of the servers. However, because the servers were protected by packet filters which were configured to block all incoming ICMP ping packets, they did not sustain much ...

  5. Attack on conservative news website Drudge Report builds ...

    www.aol.com/article/news/2017/01/09/attack-on...

    The first attack on his website came hours after President Barack Obama announced the US would impose sanctions against Moscow, and the Drudge Report had previously been identified in a Washington ...

  6. Operation Payback - Wikipedia

    en.wikipedia.org/wiki/Operation_Payback

    Palin's team believed the attack was executed by Anonymous, though Anonymous never commented about Palin as a possible target for any attack. [67] [68] [69] Palin's technical team posted a screenshot of a server log file showing the wikileaks.org URL. [67] [69] Visa attacks had been denial of service attacks, but credit card data was not ...

  7. SYN flood - Wikipedia

    en.wikipedia.org/wiki/SYN_flood

    Legitimate user Alice (purple) tries to connect, but the server refuses to open a connection, a denial of service. A SYN flood is a form of denial-of-service attack on data communications in which an attacker rapidly initiates a connection to a server without finalizing the connection. The server has to spend resources waiting for half-opened ...