HSCTF @hsctf
First Ever High School-Run CTF Hacking Competition ctf.hsctf.com The Internet Joined March 2014-
Tweets36
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Followers197
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HSCTF 10 is coming up on June 3rd! Sign up today at ctf.hsctf.com
HSCTF 7 is over! Thank you for participating. We hope you had fun. Congratulations to redpwn, CCCrypto, and b1c!
HSCTF 7 begins in less than 4 days! It will run from Mon, 01 June 2020, 08:00 EDT to Fri, 05 June 2020, 20:00 EDT. There will be prizes for teams of five or less US high school students thanks to our sponsors @trailofbits and @googlecloud. Register now at ctf.hsctf.com!
HSCTF 4 registration is up! Go to play.hsctf.com/register/ to sign up for the competition, which takes place on May 20th, 12 pm EST!
HSCTF 3 is coming, May 14-21! We will also be releasing a set of practice problems April 8th. Sign-up for updates at eepurl.com/bPyEfP
Watch hsctf.com/promo for a sneak peak into HSCTF 2. Only one week to go!
Only 12 days left till HSCTF 2! Great problems, great prizes, great hype! Lets beat the ~2000 person participation from last year! Be ready.
@satoshiedumoto Actually, that's a different Alok. The Alok of HSCTF is not on twitter, I'll pass along your message to him.
Over 500 teams have solved at least one problem! Also, we added a new problem. See compete.hsctf.com for details.
Good luck to the ~1000 people who will be competing in HSCTF this coming Sunday!
Only US students are eligible for prizes but, any high schoolers (or middle schoolers!) can participate! @Parsa_adb
More than 200 teams and counting are competing in HSCTF! Register now at compete.hsctf.com/registration so you can compete on May 18-25.

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Carter Miller @CarterToB
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Tomo @Tomo60579828
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Brittle Web @brittleweb
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MHSCTF @mhsctf
33 Followers 9 Following MHSCTF 2023! REGISTER NOW: https://t.co/iboRdriB7d! Run by Supreme Overlord @0xmmalik. it/it/its
Brothersw 1 @1_brothersw
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sroy @sroy45416006
5 Followers 317 Following
Mike Mitchell @Mitchell_Mike
383 Followers 2K Following Profession: QA Engineer. Squads: Sixers, Phillies, Birds, Bullies.
Rikz Mondia @_huntsmansec
796 Followers 602 Following Cyber Threat Analyst at Trustwave | eJPT | (ISC)² Certified in Cybersecurity | Bug Bounty Hunter | ZCSIRT | SneakBytes |
ba3 @0xbad3
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wilsoner @wilsoner
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qu35t @QU35T_TV
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picoCTF @picoctf
11K Followers 284 Following picoCTF is the fun, free way to learn and practice cybersecurity. Created by security and privacy experts at @CarnegieMellon.
Spinstars CTF @SpinstarsCTF
12 Followers 5 Following CTFtime: https://t.co/ywjcf63wfy CTF team from WW-P High School North
$@ÑTH€£P K @santheep__k
116 Followers 2K Following Cyber Security Researcher | Red Teamer | Malware Developer
Adriano Ribeiro @adriano_srib
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gnegl @gnegl
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ene @mizz0307
168 Followers 377 Following 私は多民族の環境で育ちました。思想や人種を問わず、嘘やズル、犯罪をする国家、集団が嫌いなだけです! 基準はそれしかない。 日本人である事が誇らしいし皆自分のルーツを誇りにすべき!米国大国際関係学部卒。 子供達が安心して住める日本を!日本の教科書は間違っている、日本人として誇りを子供達に教えないから。真実が知りたい!
karmanyaahm @karmanyaahm
4 Followers 59 Following Find me at https://t.co/Sj9BexDNjc = @[email protected] on Mastodon
notos @notosno0
5 Followers 66 Following
Ari Apridana @ariapridanapc
311 Followers 2K Following
Tharun @Tharun55470869
2 Followers 116 Following
D @yutawei
30 Followers 168 Following InfoSec and I have no CVEs, “You who are getting obliterated in the dancing swarm of fireflies.” Yayoi Kusama, @[email protected]
Brandon Murphy @zoomequipd
780 Followers 3K Following Detection Engineer for @sublime_sec | former @et_labs member | founder of @SecDSM | Ordained Minister | DEF CON Uber Badge Holder | opinions/tweets are my own
SquareCTF @SquareCTF
398 Followers 1K Following We make security and hacking more approachable — since 2014.
Jason Thomas @jasonthomasmba
736 Followers 2K Following Cybersecurity Consultant | fmr IT Director | Tweets == mine | I found secrets by asking your LLM | ₿ - VGhpcyBpcyB0aGUgd2F5Lg==
अविनाश �... @pZmXGug6FGQZQbo
2 Followers 49 Following
arcat @arcat36
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xyz @samuelqez
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Trail of Bits @trailofbits
35K Followers 256 Following We help secure the world’s most targeted organizations and products. We combine security research with an attacker mentality to reduce risk and fortify code.
ångstromCTF @angstromctf
421 Followers 4 Following A cybersecurity competition run by high school students, for high school students. Proudly sponsored by @trailofbits, @vector35, and @googlecloud!