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  2. Communication during the September 11 attacks - Wikipedia

    en.wikipedia.org/wiki/Communication_during_the...

    According to 9/11 Commission staff statement No. 17 [1] there were several communications failures at the federal government level during and after the 9/11 attacks. Perhaps the most serious occurred in an "Air Threat Conference Call" initiated by the National Military Command Center (NMCC) after two planes had crashed into the World Trade Center, but shortly before The Pentagon was hit.

  3. 2024 CrowdStrike incident - Wikipedia

    en.wikipedia.org/wiki/2024_CrowdStrike_incident

    Faulty CrowdStrike software update. Outcome. ~8.5 million Microsoft Windows operating systems crash worldwide, causing global disruption of critical services. On 19 July 2024, American cybersecurity company CrowdStrike distributed a faulty update to its Falcon Sensor security software that caused widespread problems with Microsoft Windows ...

  4. 311 (telephone number) - Wikipedia

    en.wikipedia.org/wiki/311_(telephone_number)

    311 (telephone number) A LinkNYC kiosk in New York City, advertising the city's 311 system. 311 is a special telephone number supported in many communities in Canada and the United States. The number provides access to non-emergency municipal services. The number format follows the N11 code for a group of short, special-purpose local numbers as ...

  5. A global tech outage brought many computer systems and ... - AOL

    www.aol.com/timeline-crowdstrike-outage-unfolded...

    A little before 9 a.m., Alaska State Troopers and Phoenix Police Department in Arizona say that service at its 911 centers are once again operational after emergency and non-emergency call centers ...

  6. Explainer: How CrowdStrike knocked the world offline - AOL

    www.aol.com/finance/explainer-crowdstrike...

    July 19, 2024 at 1:53 PM. Computers around the world failed on Friday, crippling businesses and shutting down everything from airlines and television networks to emergency and hospital services ...

  7. 3,000 US flights are canceled as a global computer outage ...

    www.aol.com/delta-united-american-airlines...

    But in Alaska, many 911 and non-emergency call centers weren’t working properly, Alaska State Troopers said. Hours later, the agency said 911 services had been restored.

  8. N11 code - Wikipedia

    en.wikipedia.org/wiki/N11_code

    N11 code. This U.S. road sign alerts highway users to the availability of 9-1-1 service. An N11 code (pronounced Enn-one-one) is a three-digit dialing code used in abbreviated dialing in the North American Numbering Plan (NANP). The mnemonic N stands for the digits 2 through 9 and thus the syntax stands for the codes 211, 311, 411, 511, 611 ...

  9. Directory assistance - Wikipedia

    en.wikipedia.org/wiki/Directory_assistance

    In the U.S., directory assistance for companies with toll-free "800 numbers" (with area codes 800, 833, 844, 855, 866, 877, and 888) was available from toll-free directory assistance, reachable by dialing 1-800-555-1212, for many decades until it was discontinued in 2020. Toll-free directory assistance was provided by telecommunication ...