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  2. Carnegie Mellon CyLab - Wikipedia

    en.wikipedia.org/wiki/Carnegie_Mellon_CyLab

    picoCTF is a cybersecurity capture the flag competition hosted by CyLab. Established in 2013, the event is run annually over a period of two weeks and is geared towards high schoolers , billing itself as the largest high school cybersecurity event in the United States; the inaugural edition had 6,000 participants and 39,000 people competed in ...

  3. Challenge–response authentication - Wikipedia

    en.wikipedia.org/wiki/Challenge–response...

    TRIAD includes a list of three-letter challenge codes, which the verifier is supposed to choose randomly from, and random three-letter responses to them. For added security, each set of codes is only valid for a particular time period which is ordinarily 24 hours. Another basic challenge-response technique works as follows.

  4. Capture the flag (cybersecurity) - Wikipedia

    en.wikipedia.org/wiki/Capture_the_flag_(cyber...

    CTFs have been shown to be an effective way to improve cybersecurity education through gamification. [6] There are many examples of CTFs designed to teach cybersecurity skills to a wide variety of audiences, including PicoCTF, organized by the Carnegie Mellon CyLab, which is oriented towards high school students, and Arizona State University supported pwn.college.

  5. List of codecs - Wikipedia

    en.wikipedia.org/wiki/List_of_codecs

    3GPP TS 26.273 – AMR-WB+ speech Codec (C-source code) – reference implementation [29] Enhanced Voice Services (EVS) 3GPP TS.26.443 – Codec for Enhanced Voice Services (EVS) – ANSI C code (floating-point) [30] 3rd Generation Partnership Project 2 (3GPP2) Enhanced Variable Rate Codec (EVRC, a.k.a. IS-127) – based on RCELP

  6. PACTF - Wikipedia

    en.wikipedia.org/wiki/PACTF

    2016 PACTF Organizers. PACTF was an annual web-based computer security Capture the Flag (CTF) competition for middle and high school students. [2] It was founded by a group of students at Phillips Academy in Andover, Massachusetts. [5]

  7. Cicada 3301 - Wikipedia

    en.wikipedia.org/wiki/Cicada_3301

    The stated purpose of the puzzles each year was to recruit "highly intelligent individuals", although the ultimate purpose remains unknown. [2] Theories have included claims that Cicada 3301 is a secret society with the goal of improving cryptography, privacy, and anonymity or that it is a cult or religion.

  8. Category:Undeciphered historical codes and ciphers - Wikipedia

    en.wikipedia.org/wiki/Category:Undeciphered...

    A list of as-yet-undeciphered codes and ciphers, mostly of historical interest. Subcategories. This category has only the following subcategory. U.

  9. List of United States INCITS codes by county - Wikipedia

    en.wikipedia.org/wiki/List_of_United_States...

    The following sortable table lists the 3252 counties and county equivalents of the United States and their respective INCITS (38+31) codes. (Formerly FIPS county codes ). Table