Englisho @str123li

39K Followers 1K Following security researcher/programmer/director @ HexArcana Cybersecurity GmbH ⁂ @pagedout_zine ⁂ @DragonSectorCTF ⁂ https://t.co/ShG2c5As1K ⁂ ex-Google ⁂ he/him

Samuel Tang @mystiz613

1K Followers 335 Following AKA mystiz. Tweets on 🇭🇰 and Cybersec. Opinions are my own.

Italian CTF team. DEF CON finalists. Cyber. Pasta. And now even satellites?!
✉️ info@mhackeroni.it

mhackeroni @mhackeroni

6K Followers 6 Following Italian CTF team. DEF CON finalists. Cyber. Pasta. And now even satellites?! ✉️ [email protected]

Pew @TheGrandPew

4K Followers 718 Following Defying Logic

organizers @0rganizers

5K Followers 124 Following 1st place @ CTFTime 2022 https://t.co/XbVJUcd3oV

🇸🇬 | co-founder @hacktronai - your AI teammate for security | @projecteurope_ 🇪🇺 | cs @cambridge_uni 🇬🇧 | prev: @cure53berlin @tiktok_us, ogp | @Water_Paddler

zayne (zeyu) zhang @zeyu1337

Moriarty @Rudrakshsaini2

2K Followers 2K Following I like cats , computers and ctf’s | Captain @thehackerscrew1 | Slutt datafag

RME-DisCo research group from University of Zaragoza. Special interest on software and systems security. Link to our Telegram channel: https://t.co/UmkcXVG8MU

reverseame @reverseame

23K Followers 1 Following RME-DisCo research group from University of Zaragoza. Special interest on software and systems security. Link to our Telegram channel: https://t.co/UmkcXVG8MU

SuperFashi @SuperFashi1

2K Followers 750 Following math rock/midwest emo fan living in japan

wwm🍉 @willwam845

673 Followers 711 Following crypto(graphy)-ing and codering for 🎲 and 🦀 ctf | she | icl math + cs | osu meower/coder sometimes @cdc_on_x | 🍉

v @vie_pls

2K Followers 219 Following @maplebaconctf @mmm_ctf_team @bbb_ctf

Security Researcher. Top 3 Chrome VRP. Top 2 Facebook Whitehat. MSRC MVRs 9th. BlackHat Asia/USA & Zer0Con & GeekCon & OffensiveCon speaker.

sakura @eternalsakura13

10K Followers 212 Following Security Researcher. Top 3 Chrome VRP. Top 2 Facebook Whitehat. MSRC MVRs 9th. BlackHat Asia/USA & Zer0Con & GeekCon & OffensiveCon speaker.

RBTree @RBTree_

2K Followers 467 Following Rev & Crypto | Work @zellic_io | Former CTF Player @pb_ctf | DEF CON CTF 2017-2025 Finalist, 2026 Winner

okas832 / 구르는 �... @okascmy1

629 Followers 725 Following Marathon, Destiny 2, Apex Legend, 트릭컬

Linux Kernel Hacker |
Lead Security Researcher @zellic_io |
CTF @SuperGuesser |
Prev: Android + Chrome VR |
Also on mastodon at https://t.co/frOaDhxQur

Faith 🇧🇩🇦�... @farazsth98

5K Followers 313 Following Linux Kernel Hacker | Lead Security Researcher @zellic_io | CTF @SuperGuesser | Prev: Android + Chrome VR | Also on mastodon at https://t.co/frOaDhxQur

sahuang @sahuang97

5K Followers 824 Following Founder @ProjectSekaiCTF | Security Research & AI @osec_io | Ex Software Engineer @Microsoft | Maimai & Chunithm 虹レ

콰즈 Qwaz @qwazpia

1K Followers 1K Following This is a personal account that mostly tweets in Korean || CTF / infosec / academic topics: @yechan_bae || He/Him

sqrtrev @sqrtrev

5K Followers 717 Following Captain of @SuperGuesser / DEFCON 29 - 34 Finalist Security Researcher @ENKI_official_X

ptr-yudai @ptrYudai

6K Followers 365 Following 🍣🍣🍣 https://t.co/5OmzwCTPea 🍣🥺🍣 @zer0pts の猫 🐯 🍣🍣🍣 https://t.co/5OmzwCTPea

TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.

TrendAI Zero Day Init... @thezdi

90K Followers 18 Following TrendAI Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.

cts🌸 @gf_256

68K Followers 1K Following founder and hacker @zellic_io @v12sec @pb_ctf yt https://t.co/nlNai6iiMP

Orange Tsai 🍊 @orange_8361

66K Followers 524 Following This is 🍊

stypr @brokenpacifist

6K Followers 605 Following Touring sourcecodes @dfsec_com RT/Like bot

i7z00 @i7z00_

1K Followers 360 Following trust the process.

Xion @0x10n

6K Followers 132 Following CMU CSD PhD student | '24/'25 Top#0 Chrome Researcher | P2O Vancouver '24, TyphoonPWN '24/'25, ... | PPP, KAIST GoN '18, @zer0pts

Jorian @J0R1AN

3K Followers 457 Following Normalize being weird. (also here: https://t.co/cr9Y0kDEBi)

Ph @Phantom_07x_

1K Followers 110 Following ON A LONG BREAK 🚨

Johan Carlsson @joaxcar

7K Followers 195 Following Father and full-time bug hunter 🐞

Shashank | CredShield... @cyberboyIndia

11K Followers 2K Following Co-Founder @credshields Ex Security Analyst @Hacker0x01 Leading https://t.co/YnFOEI7b9p

TSxNiNja @tsxninja200

135 Followers 79 Following Happy Hunting !!_!!

Nischal Karki @nischalxdp

654 Followers 611 Following until death, all defeats are psychological

drak3hft7 @drak3hft7

4K Followers 317 Following Bug Hunter & Penetration Tester | Synack Red Team Member | Top 5 Yeswehack

Al7eX @Al7eX91

524 Followers 142 Following eCPPT | eWPT | eWPTX | Bug Hunter https://t.co/Zr0GJ0SrUd https://t.co/bFag5JxD6e

LaurieWired @lauriewired

165K Followers 306 Following researcher @google; serial complexity unpacker; https://t.co/Vl1seeNgYK ex @ msft & aerospace

RivuDon @RivekTamang

321 Followers 567 Following A kid who loves to hack. | https://t.co/5ViXxhL9aq |

The #1 trusted source for cybersecurity news, insights, and analysis — built for defenders and trusted by decision-makers.

The Hacker News @TheHackersNews

2.5M Followers 2K Following The #1 trusted source for cybersecurity news, insights, and analysis — built for defenders and trusted by decision-makers.

Raunak Gupta @OreoB1scuit

4K Followers 504 Following Bug bounty hunter - Cyber security

Reader. Writer. Satirist. Hacker.

Confessions from the people running the systems you live with. Essays on everything else. Tolle, lege. Legendo fit legenda.

Peter Girnus 🦅 @gothburz

206K Followers 665 Following Reader. Writer. Satirist. Hacker. Confessions from the people running the systems you live with. Essays on everything else. Tolle, lege. Legendo fit legenda.

dr @DrD341h

5 Followers 116 Following

Brute @BRuteLogic

67K Followers 0 Following XSS and bypass legend. {cat,/e*/p*d}

DEF CON @defcon

450K Followers 3K Following Hacking Conference https://t.co/GhIrTjDOLO

Pentester Land @PentesterLand

33K Followers 811 Following

Leading Provider of Free Cybersecurity Training: https://t.co/x91kxo5yck

Writeups: https://t.co/5xOk0uqsWc | Academy: https://t.co/GHqvlqpmd9

HackerSploit @HackerSploit

108K Followers 2K Following Leading Provider of Free Cybersecurity Training: https://t.co/x91kxo5yck Writeups: https://t.co/5xOk0uqsWc | Academy: https://t.co/GHqvlqpmd9

HackerOne makes security continuous.
We unite AI and human insight through a unified platform to expose risk and eliminate it.

HackerOne @Hacker0x01

344K Followers 3K Following HackerOne makes security continuous. We unite AI and human insight through a unified platform to expose risk and eliminate it.

Dr, apparently. Security Adovcate @semgrep & Hacker. #BugBounty hunter & #infosec YouTuber. APIs & Interlinked OffSec, PhD in AI+Sec @hacknotcrime. she/her

Katie Paxton-Fear @InsiderPhD

100K Followers 2K Following Dr, apparently. Security Adovcate @semgrep & Hacker. #BugBounty hunter & #infosec YouTuber. APIs & Interlinked OffSec, PhD in AI+Sec @hacknotcrime. she/her

STÖK ✌️ @stokfredrik

139K Followers 1K Following Hi.. im that hacker / creative that your friends told you about.,

ippsec @ippsec

125K Followers 373 Following

PortSwigger Research @PortSwiggerRes

125K Followers 7 Following Web security research from the team at @PortSwigger

Don’t just learn tools and payloads. Learn why vulnerabilities exist. Hands-on web hacking, security code review, and real-world CVE labs.

PentesterLab @PentesterLab

210K Followers 0 Following Don’t just learn tools and payloads. Learn why vulnerabilities exist. Hands-on web hacking, security code review, and real-world CVE labs.