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  2. Thunderbolt (siren) - Wikipedia

    en.wikipedia.org/wiki/Thunderbolt_(siren)

    A Federal Signal Thunderbolt 1003 siren. The Thunderbolt is a mechanical outdoor warning siren that was manufactured by Federal Signal Corporation from 1951 until its production ended in 1991. [1] It is a unidirectional, rotating siren with a large square-shaped horn, and can come in various colors, usually yellow, by request.

  3. Civil defense siren - Wikipedia

    en.wikipedia.org/wiki/Civil_defense_siren

    There are 8,200 alarm sirens for civil protection throughout Switzerland. They are tested once a year on the first Wednesday in February. [1] Sound of the general-alarm signal ⓘ Sound of the water-alarm signal ⓘ Switzerland currently has 8,500 mobile and stationary civil defense sirens, which can alert 99% of the population. [57]

  4. List of security hacking incidents - Wikipedia

    en.wikipedia.org/wiki/List_of_security_hacking...

    October 16: The YouTube channel of Sesame Street was hacked, streaming pornographic content for about 22 minutes. [77] November 1: The main phone and Internet networks of the Palestinian territories sustained a hacker attack from multiple locations worldwide. [78] November 7: The forums for Valve's Steam service were hacked. Redirects for a ...

  5. Q2B - Wikipedia

    en.wikipedia.org/wiki/Q2B

    This Q2B or "Q-siren" is mounted on a Pierce Platform Aerial Fire Truck owned by the City of Bellingham, WA. The Q2B siren ("Q-siren") [1] is an electromechanical siren that is produced by the Federal Signal Corporation and is most recognizable for its sound, which is trademarked, and the look of the siren.

  6. Jeremy Hammond - Wikipedia

    en.wikipedia.org/wiki/Jeremy_Hammond

    Jeremy Alexander Hammond (born January 8, 1985), also known by his online moniker sup_g, [1] is an American anarchist activist and former computer hacker from Chicago.He founded the computer security training website HackThisSite [2] in 2003. [3]

  7. List of hackers - Wikipedia

    en.wikipedia.org/wiki/List_of_hackers

    Here is a list of notable hackers who are known for their hacking acts. 0–9. A ...

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  9. Federal Signal Modulator - Wikipedia

    en.wikipedia.org/wiki/Federal_Signal_Modulator

    A Federal Signal Modulator siren in Bay Head, New Jersey.. Federal Signal Modulators (also known as Modulator Speaker Arrays) are electronic warning devices produced by Federal Signal Corporation that are used to alert the public about tornadoes, severe weather, earthquakes, fires, lahars, tsunamis, or any other disaster.