Ubuntu

@ubuntu

Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.

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Eduardo Vela

@sirdarckcat

not mad. mentally divergent. personal profile, opinions my own. everything I say is probably wrong. 🐘 @[email protected]

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The Linux Foundation

@linuxfoundation

A nonprofit organization enabling mass innovation through open source. #linux #kubernetes #riscv #hyperledger #anuket #openssf #openjs #o3de and more!

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Linux Today

@linuxtoday

Linux news and how-to's collected from all over.

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The Dustin Childs

@dustin_childs

Parked account. I usually post stuff over where the sky is blue.

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Compass Security

@compasssecurity

Penetration Testing, Red Teaming, Incident Response, Bug Bounty, Security Training, Cyber Range

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Raj Samani

@raj_samani

Chief Scientist @Rapid7 | @cloudsa | Co-author of @CyberGridBook & CSA Guide to Cloud | Advisor @EC3Europol bsky.app/profile/rajsam…

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Security Response

@msftsecresponse

We are the Microsoft Security Response Center. To report security vulnerabilities or abuse in Microsoft products, visit microsoft.com/en-us/msrc.

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Csaba Fitzl

@theevilbit

macOS Security -- Trail running 🏃 -- Mountains ⛰ -- Tolkien fan

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Cyrill

@bcyrill

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Alisa Esage Шевченко

@alisaesage

Nationstate-Certified Cybersecurity Threat • Architect of Evil Pointer Arithmetic • Owner of Zero Day Engineering

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Alexander Popov

@a13xp0p0v

Linux Kernel Developer / Security Researcher / Free Software Maintainer. Admin of @linkersec. This is my personal account.

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renorobert

@renorobertr

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Mickey Jin

@patch1t

Exploring the world with my sword of debugger : )

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binerdd

@binerdd

Jaewon Min, Senior Vulnerability Researcher; These are my views not my employers. @[email protected]

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Pumpkin 🎃

@u1f383

Security researcher at DEVCORE. Focus on Linux kernel.

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Mr. OS

@ksg93rd

To catch an adversary you have to become one. Always deliver more than expected !!!!!!

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Andrey Konovalov

@andreyknvl

Security engineer at xairy.io. Focusing on the Linux kernel. Maintaining @linkersec. Trainings at xairy.io/trainings.

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Juhyung Park

@arter97

Hobbyist Android system developer @ DGIST DataLab

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Longhorn

@never_released

Kernel/hypervisor engineer @awscloud EC2. Hobby @checkra1n. Mastodon: mastodon.social/@never_released Bluesky: bsky.app/profile/dylib.…

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faulty *ptrrr

@0x_shaq

Chief pager engineer 📟

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h0mbre

@h0mbre_

# Exploit Reliability Engineer # Developing a full-system snapshot fuzzer: github.com/h0mbre/Lucid # Avi: instagram.com/chingyeh005

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cassidy6564

@cassidy6564

Amber Security Lab, OPPO Mobile Telecommunications Corp. Ltd. bug hunter,chrome security,android security,0-day,exploit

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Hoàng Hải Long 🇻🇳

@seadragnol

Newbie at @qriousec Focusing on the Linux kernel Tiếng Việt / English / 日本語

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kangel

@j_kangel

Graduated from @ZJU_China｜Retired CTF player @AAA ｜Binary security ｜Virtualization security

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HexRabbit

@h3xr4bb1t

CTF pwnable / gamer / anime

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santaclz

@santaclzz

Low-level security @dfsec_com

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0xTen

@_0xten

android/linux kernel @vigilant_labs • prev blockchain @osec_io • ctf/pwn @cor_ctf + @eltctfbr

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Dataflow Security

@dfsec_com

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juuun0

@ji9umi

H4CK£R

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Andrew Ruddick

@arudd1ck

Breaking software. Security Researcher @ Microsoft. Views are my own.

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c0w5un

@c0w5un

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Yes, But

@_yesbut_

Official YES, BUT series by @like_gudim instagram.com/_yes_but t.me/yesbut_official

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Pikala

@p1k4l4

0day Lover | Researcher 🇲🇦

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Nicholas Zubrisky

@nzubrisky

Vulnerability Researcher @ Trend Micro

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phulasso

@phu14ss0

SCH 21 / BoB 11th

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roddux

@roddux

vuln research/xdev, resident mad scientist

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Binary Gecko

@binary_gecko

Binary Gecko GmbH. Custom Security Research Solutions. Organisers of @offensive_con 2025.

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xvonfers

@xvonfers

Browser & *nix VR. Ex SIGINT

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hackyboiz

@hackyboiz

Vulnerability Research Team Blog & Newsletter

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ZeroZenX

@zerozenxlabs

ZeroZenX, your trusted destination for cutting-edge 0day acquisition solutions.

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JuYeong Lee

@ju_cheda

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PetoWorks

@petoworks

PetoWorks

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Project Zero Bugs

@projectzerobugs

A bot that posts the latest blog posts and disclosures from Google's Project Zero

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blueblue

@piedpiper1616

セキュリティ関連の情報収集用・悪用禁止

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RET2 Systems

@ret2systems

We strive to reimagine vulnerability research, program analysis, and security education as it exists today. An @RPISEC corporation.

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POC_Crew 👨‍👩‍👦‍👦

@poc_crew

Organizer of Zer0Con, POC and MOSEC #Zer0Con2025 (zer0con.org)

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Piotr Bazydło

@chudypb

Principal Vulnerability Researcher at watchTowr | Previously: Zero Day Initiative | @[email protected]

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TyphoonCon🌪️

@typhooncon

TyphoonCon is an annual all Offensive Security Conference, taking place May 26-30, 2025 in Seoul, South Korea 🌪️

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Google VRP (Google Bug Hunters)

@googlevrp

We ❤️ 🐜🐞🦗🦟🦋. {echo,{{{Google,Chrome,Android,Abuse,Mobile,OSS,Cloud}Vulnerability,Patch}Reward,VulnerabilityResearchGrants}Program}

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