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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 cyberattack 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. 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...

    In particular, the caching and redundancy features of DNS mean that it would require a sustained outage of all the major root servers for many days before any serious problems were created for most Internet users, and even then there are still numerous ways in which ISPs could set their systems up during that period to mitigate even a total ...

  5. DDoS mitigation - Wikipedia

    en.wikipedia.org/wiki/DDoS_mitigation

    DDoS mitigation is a set of network management techniques and/or tools for resisting or mitigating the impact of distributed denial-of-service (DDoS) attacks on networks attached to the Internet by protecting the target and relay networks.

  6. Why did I receive an email from MAILER-DAEMON? - AOL Help

    help.aol.com/articles/what-is-a-mailer-daemon...

    If the delivery failure message says the account doesn't exist double check the spelling of the address you entered. A single misplaced letter could cause a delivery failure. If the message keeps getting bounced back, make sure the account is closed or hasn't been moved.

  7. Operation Payback - Wikipedia

    en.wikipedia.org/wiki/Operation_Payback

    On November 9, 2010, Operation Payback temporarily ceased attacking websites. [65] The hiatus lasted about four months, ending with an early March 2011 attack that temporarily took down the website of BMI, a prominent collection society operating on behalf of music publishers. [66]

  8. 'I thought I was done for': Watch video of humpback whale ...

    www.aol.com/thought-done-watch-video-humpback...

    A humpback whale appeared to "swallow" a kayaker and spit him out last weekend off the coast of southern Chile in a dramatic incident that was caught on camera.

  9. NFL hit with lawsuit from fans as teams are 'not allowed to ...

    www.aol.com/nfl-hit-lawsuit-fans-teams-000941388...

    The National Football League was hit with an antitrust lawsuit by two fans who claim the league has refused to allow its teams to join Bluesky, according to multiple reports.. Patrick Brown, a ...