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    RITSEC

    8 editions·120 challenges·2018–2026

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    20262025202420232022202120192018
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    2026

    28 challengesCTFtime

    crypto3

    Captain_Marks_Compass
    Pierres_Compass
    Portobelo

    forensic5

    Davy_Jones_Message
    Ocean_Wildlife
    Song_Inside_a_Shell
    This_Craft_is_Mine
    Zipped_Up

    misc3

    highly_specific
    impossibler_pygolf
    slopjail

    pwn4

    Bake_a_Pi
    Careening
    doMonkeysSwim
    Marauder_Might

    rev8

    Black_Ledger
    Buried_Treasure
    Deadwater
    Marauder_Matchup
    not_quite_optimal
    obfpyscated
    Proxied
    T_reasure_Chest

    web5

    average_contrived_notes_app
    cant_count_no_more
    Poastboard_1
    RabbitTalk
    Regular_Dude

    2025

    32 challengesCTFtime

    crypto7

    A_Space_Odyssey
    Alien_Encryption_1
    Alien_Encryption_101
    Alien_Encryption_102
    Cuwves_2_Electric_Boogaloo
    Leaky_ZKP
    Mothership

    forensic3

    Aliens_Actually_Listen_To_This
    Intercepted_Transmission
    Rope

    jail5

    Meowjail
    S.E.T.I.
    Shrimple
    Well_Documented
    Well_Documented_Revenge

    misc5

    Aliens_First_Commit
    Extraterrestrial_Echelon
    Moving_Money
    Strike_Team_Biometrics
    UFO

    pwn3

    Bit_Burger
    Hashmatch
    Starship_Registration

    rev5

    Lunar_Lunacy
    Minesweeper
    Noisy
    Unconventional
    Zogulon_Traces

    web4

    Stonks
    Upload_Issues
    Upload_Issues_2
    Virtual_Mayhem

    2024

    23 challengesCTFtime

    crypto6

    Dastardly_Evil_Scientists
    Failed_File_Transfer
    MEaaS
    Old_Fashioned_Crypto
    Warm_Up_Emails
    Warm_Up_Words

    forensic3

    Ransom_Note
    Warm_Up_Curiosity_Helped_the_Cat
    Warm_Up_Decrypt_the_Flood

    misc5

    3dbox
    Internationally_Problematic_Acrostics
    Lunar_Lander
    Secret_Door
    Spooky_Image

    pwn4

    Battelle_Challenge
    Gadget_Database
    Risky_Clue
    The_Gumponent

    rev5

    EtTuBrute
    Fun
    Go_Go_Gadget
    Guess
    Warm_Up_My_Favorite_Flag

    2023

    10 challengesCTFtime

    crypto3

    BinaryToBased
    Either_or_Neither_nor
    ShuffleResistantEncoding

    pwn3

    Alphabet
    assembly-hopping
    ret2win

    rev4

    CatsAtPlay
    Gauntlet
    GuessThePassword
    JurassicPark

    2022

    8 challengesCTFtime

    crypto3

    MusicallySecureCryptography
    RSAGoneWrong
    Runs

    pwn1

    hangpwn

    rev4

    DataFun
    soup
    SSHBackdoor
    TagAlong

    2021

    14 challengesCTFtime

    crypto5

    Lost_in_Runs
    RITSEC_Hash
    Streams_and_Rivers
    Throw_it_in_REverse
    What_an_Enigma

    misc1

    lorem_ipsum

    rev7

    Baby_WASM
    Fleshwound
    Memedrive
    SamuraiInfection
    snek
    Teen_WASM
    Un-machined_Aerial_System

    stego1

    The_Lost_Photo_of_Freg

    2019

    1 challengesCTFtime

    misc1

    jit-calc

    2018

    4 challengesCTFtime

    misc4

    ezpwn
    lolglit
    pwn2
    pwn3
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