freeddoby @freeddoby

somewhere between hello world and 0day | CTF | VR Joined March 2026

Tweets

0
Followers

0
Following

170
Likes

111

No recent Tweets. New Tweets will appear here.

No recent Followers. New Followers will appear here.

OtterSec @osec_io

21K Followers 32 Following Audits that protect blockchain ideas.

Jenny Qu @GuanniQu

2K Followers 1K Following ctf player @SquidProxyLover • previously RL for math @caltech • she/they • DMs open

Bruce Chen @bruce30262

1K Followers 166 Following Just call me Tube

Webアプリケーションつんつん職人 / Cyber Security Engineer / Bug Hunter / 株式会社Ikotas Labs 代表取締役 https://t.co/j1rlBEMeXN / 一般社団法人BunkyoWesterns 代表理事

Satoki@Kn0wl3dg3 @satoki00

5K Followers 599 Following Webアプリケーションつんつん職人 / Cyber Security Engineer / Bug Hunter / 株式会社Ikotas Labs 代表取締役 https://t.co/j1rlBEMeXN / 一般社団法人BunkyoWesterns 代表理事

Shift @Shiftreduce

3K Followers 2K Following

Harsh Jaiswal @rootxharsh

22K Followers 1K Following Building @hacktronai | researching at @httpvoid0x2f | auditing at @cure53berlin | prev @zomato @vimeo @pdiscoveryio

Interested in reverse engineering, firmware, bluetooth, trusted computing, and training. Founder of OpenSecurityTraining2 https://t.co/slK2fsMRwU

Xeno Kovah @XenoKovah

13K Followers 74 Following Interested in reverse engineering, firmware, bluetooth, trusted computing, and training. Founder of OpenSecurityTraining2 https://t.co/slK2fsMRwU

Software Developer - Security researcher - Cybergaucho - @xy@mastodon.social
AI-related:
https://t.co/hhQltrgzKS
https://t.co/ibyCcAp6zv

AIfredo 0rtega @ortegaalfredo

9K Followers 1K Following Software Developer - Security researcher - Cybergaucho - @[email protected] AI-related: https://t.co/hhQltrgzKS https://t.co/ibyCcAp6zv

@Openwall oss-security mailing list thread summaries, currently maintained by @solardiz. Originally setup and maintained as an automated feed by @eugeneteo.

Open Source Security ... @oss_security

5K Followers 9 Following @Openwall oss-security mailing list thread summaries, currently maintained by @solardiz. Originally setup and maintained as an automated feed by @eugeneteo.

@[email protected]... @SecurityMB

11K Followers 284 Following Improving the world’s security at Google. Opinions are mine.

Mmm @hackyzh

3K Followers 599 Following Chrome GPU sandbox escape and Anroid Kernel Stuff.

Write some shit code. Do shit research. DEFCON 31/32/33 finalist. Now doing security research at @zellic_io. Opinions are my own.

xia0o0o0o @Nyaaaaa_ovo

3K Followers 1K Following Write some shit code. Do shit research. DEFCON 31/32/33 finalist. Now doing security research at @zellic_io. Opinions are my own.

pilvar (Philippe Dour... @pilvar222

2K Followers 511 Following AI Pentest Lead @AikidoSecurity

faulty *ptrrr @0x_shaq

6K Followers 499 Following technologia!! 🫴🏼 creator of https://t.co/wSeiHuRjxx

mobile security / symbolic execution. opinions are mine. @alkali@infosec.exchange . he / him

𝚊𝚕𝚔𝚊𝚕�... @alkalinesec

3K Followers 594 Following mobile security / symbolic execution. opinions are mine. @[email protected] . he / him

@Openwall founder, @oss_security maintainer, @lkrg_org co-author, @CtrlIQ Linux security engineer. RTs don't imply agreement with points of view.

Solar Designer @solardiz

13K Followers 1K Following @Openwall founder, @oss_security maintainer, @lkrg_org co-author, @CtrlIQ Linux security engineer. RTs don't imply agreement with points of view.

Natalie Silvanovich @natashenka

45K Followers 2K Following Tamagotchi Hacker. Google Project Zero. She/her.

Jeremy Fetiveau @__x86

4K Followers 2K Following CEO & co-founder @epsilon_sec

T. @trendytofu

986 Followers 664 Following something something Cyber, something something security something.

Open Source Security ... @opensrcsec

2K Followers 0 Following Open Source Security Inc. Creators of @grsecurity®

Foundational security for the Linux kernel. Solving the most difficult memory unsafety problems. Created by @opensrcsec

grsecurity @grsecurity

9K Followers 1 Following Foundational security for the Linux kernel. Solving the most difficult memory unsafety problems. Created by @opensrcsec

have been playing CTFs as binja leader (DEFCON Finals'14 '16 '18 '20 '22 '23 '24 '25; Google Finals'17) and competitive programming also(ICPC WF'19 '20)

hugeh0ge @hugeh0ge

2K Followers 394 Following have been playing CTFs as binja leader (DEFCON Finals'14 '16 '18 '20 '22 '23 '24 '25; Google Finals'17) and competitive programming also(ICPC WF'19 '20)

Zhenpeng (Leo) Lin @Markak_

3K Followers 394 Following Ph.D., CTF player @Nu1L_team, now @StrawHat_CTF. #Pwn2Own winner. Author of #DirtyCred #Badiouring

Thach Nguyen Hoang �... @hi_im_d4rkn3ss

4K Followers 350 Following Security Researcher @starlabs_sg. Pwn2Own Mobile 2020, 2021, 2022, 2023. Pwn2Own Vancouver 2022, 2023, 2024, 2025.

Angelboy @scwuaptx

6K Followers 987 Following Senior Security Researcher at @d3vc0r3 MSRC 2024/2025 MVR Top 100

YingMuo @YingMuo

249 Followers 205 Following Rookie Security Researcher. Focus on IoT and learning macOS Security.

NiNi @terrynini38514

3K Followers 638 Following Security Researcher at @d3vc0r3 / Pwn2Own Master of Pwn (Toronto 2022) / CTFer @balsnctf

William Bowling @wcbowling

6K Followers 417 Following Head of Assurance at @zellic_io, a.k.a vakzz when doing bug bounties and CTFs with @pb_ctf - https://t.co/9bjECLAwXg

V12 @v12sec

4K Followers 9 Following dangerously powerful agentic security

Security Researcher @starlabs_sg
Pwn2Own Vancouver 2024,2023,2022,2021
Pwn2Own Austin 2023,2021
Pwn2Own Berlin 2025,2026

Billy @st424204

1K Followers 95 Following Security Researcher @starlabs_sg Pwn2Own Vancouver 2024,2023,2022,2021 Pwn2Own Austin 2023,2021 Pwn2Own Berlin 2025,2026

Ramdhan @n0psledbyte

2K Followers 794 Following CTF @SuperGuesser (pwn), Security Researcher @starlabs_sg

Zion Leonahenahe Basq... @mahal0z

3K Followers 278 Following Native Hawaiian Hacker | Prev Co-captain of @Shellphish | Incoming Assistant Professor at University of Georgia

Tavis Ormandy @taviso

130K Followers 631 Following I'm also @[email protected]

Andy Nguyen @theflow0

69K Followers 447 Following The opinions stated here are my own, not those of my company.

[email protected] @r3tr074

2K Followers 584 Following Security research | https://t.co/SFZNGja5pn | CTF pwn/rev @eltctfbr + @r3kapig | yes, I'm the browser guy

qwerty @_qwerty_po

1K Followers 227 Following @POSTECH_PLUS 20 Pwn | Pwnie Awards '25, Pwn2Own Berlin '25, kernelCTF | DEF CON CTF 32-33

Josh @boredpentester

1K Followers 796 Following Embedded device security researcher / VR / Pwn2Own

ö @r0keb

1K Followers 143 Following low level enthusiast

roddux @roddux

2K Followers 975 Following vuln research/xdev at ██████, resident mad scientist

LaurieWired @lauriewired

155K Followers 292 Following researcher @google; serial complexity unpacker; https://t.co/Vl1seeNgYK ex @ msft & aerospace

infosec.exchange/@swi... @bestswngs

3K Followers 462 Following Security Researcher Focus on PWN/Reverse Blog: https://t.co/yRv3acwHEJ 2025 off-by-one speaker

HexRabbit @h3xr4bb1t

1K Followers 507 Following CTF pwnable / gamer / anime

Ziyi Guo @tripleh_life

642 Followers 352 Following Security Researcher / Google PhD Fellow @google / PhD Student @northwesternu

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.

Trail of Bits @trailofbits

38K Followers 260 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.

LiveOverflow 🔴 @LiveOverflow

160K Followers 1K Following wannabe hacker... he/him 🌱 grow your hacking skills @hextreeio

Boris Larin @oct0xor

19K Followers 705 Following Former console hacker (PS3/PS4). Hunting in the wild 0-days at Kaspersky GReAT. All tweets are my own.

Flashback Team @FlashbackPwn

4K Followers 3 Following Hacking team (@pedrib1337 + @RabbitPro), winners of Pwn2Own Tokyo 2020. We hack stuff and make videos: https://t.co/lqSIfETowB