Varun Jagtap @CyberVarunTech
CyberSecurity Enthusiast | Learner | Hardware hacker | IoT Security Researcher Joined June 2022-
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Why LibreWolf Destroys Chrome and Firefox for Operational Security sambent.com/why-librewolf-…
It’s a Pi, But it’s not Quite a Raspberry Pi hackaday.com/2025/08/17/its…
9 Platforms to Get FREE Cybersecurity E-Books 1. PDF Drive 2. Heimdal Security 3. CollegeLearners 4. Endureka 5. Freetechbooks 6. Free Computer PDF 7. Online Programming Books 8. Infobooks 9. Simplilearn
We have @pewdiepie explaining GPIO before GTA VI youtube.com/watch?v=pgeTa1…
OH MY GOD ITS HERE 😻😻😻 Want a copy of this book by @_Freakyclown_ ? 1. Comment 2. Share 3. Follow both me and @_Freakyclown_ Have your DMs open You got 24 hours 😻
Periodic reminder that we have a FREE bash starter course. It has helped hundreds, if not thousands, of people start their bash shell scripting in Linux. linuxhandbook.com/bash/
🚨 CVE-2025-29927: Next.js Middleware Authorization Bypass A critical flaw in Next.js allows attackers to spoof the x-middleware-subrequest header, bypassing middleware, including auth checks, and accessing protected routes. 📍 CVSS: 9.1 🛡️ Impact: Auth bypass, privilege…
Major new QEMU update released. The coolest part? Paravirutalized Apple GPUs. You can now spin up disposable macOS VMs *with* hardware acceleration. macOS guests now expose a thin vGPU (apple-gfx-mmio). very useful for CI, reverse engineering, gfx research, etc
Attention @kalilinux users! In the coming day(s), apt update is going to fail for pretty much everyone. The reason? We had to roll a new signing key for the Kali repository. You need to download and install the new key manually: offs.ec/4lUEtak
👆Touch display for a mini rack. I set it up with my pi-kiosk configuration on a Raspberry Pi (github.com/geerlingguy/pi…), and I can control and monitor the whole studio through Home Assistant. Should I do a quick video on it?
🚨 Vulnerability Tuesday: Firmware Update MITM 🚨 Firmware Update MITM attacks intercept and alter firmware updates, enabling attackers to inject malicious code, compromise devices, and gain unauthorized control. ⚠️ Impact ✅ Unauthorized device control & data theft ✅ Malware…
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Free course grab it.
GIVEAWAY TIMEEEEE WVVoU01HTklUVFpNZVRrelpETmpkV1JYVW14aVdHdDFXVEk1ZEV3eVRuWmtXRXA2V2xNNWJHUkhhSEJaTWtaelRGZG9hRmt5ZEhCaWJXTjBXak5XY0ZwSFZYUlpVekUyVEhvNWFtSXpWbmRpTWpWRVlqSlNiRkJWVlRKT2FrVXhVVEJTUlUxVVl6TlBSRkY2VDFSV1JVMUVVVFE9 3 encodings, all the same kind, use CyberChef
open-source control panel to manage your entire Linux server. Websites, LLMs, containers, backups, domains — all in one place. Simple. Beautiful. 27K+ stars on GitHub.
Cybersecurity Career

Judith @stewart_judith3
397 Followers 3K Following
Melody Conroy @ConroyMelo66915
25 Followers 2K Following
JR @JamalHale8
360 Followers 3K Following
CyberMechatro @vishwanath2332
2 Followers 80 Following 🪽 Aspiring cyber security Analyst & Cyber Commando |
Farbej Siraj @farbejsiraj
35 Followers 409 Following Ethical Hacker|Penetration Tester|Bug Bounty Hunter|Web Security Researcher|CompTIA PenTest+ | Learning to break security to make it stronger|
nonstopio @NonStopio
499 Followers 3K Following Software Product Development as an Expertise We are hiring- https://t.co/5UJsZzFD0C
moawya nafash @mo3awyana3fash
4 Followers 122 Following
doc.high35 @dochigh35
92 Followers 1K Following
David_DTechguy👨�... @Plutopunter_
77 Followers 868 Following Ethical hacker 🧑🏿💻 Cyber security enthusiasts Web developer 💻 Student 🖥 Gamer Chelsea 💙
Seeghootee @SeeghooteemOs
6 Followers 189 Following
Ashish Misal @theRealAshish
84 Followers 227 Following SDE @ Suma Soft | 90K+ LinkedIn | Building Scalable Solutions | Passionate about Tech, Innovation & Growth | DM for Collab 🤝
Myron @myroncosta
114 Followers 3K Following
EMBA Firmware Analyze... @securefirmware
2K Followers 1K Following Open Source Firmware Security Scanner
⚡️ @InfosecZone
472 Followers 2K Following Bringing all ethical hackers together on Infosec Zone! Follow us to stay updated with the hacker community.
Tyson Benson @tysonbenson
2K Followers 2K Following Patent Law → PSIRT | Suit Up & Hack | Exploring the intersection of law, AI, & cybersecurity
prakash Mohite @prakash14419654
1 Followers 25 Following
Nandini Kakaraniya @n_kakaraniya
1 Followers 21 Following
Rayaa @OxRayaa
280 Followers 429 Following Security Researcher @CredShields | Smart Contract Auditor : Solidity, Rust | Bug Bounty Hunter | 4x CVE's | @SecurityBoat Community Pune Lead |
Wang Jen @WangJen289117
2 Followers 161 Following
Jordan @MyDoggeCEO
337 Followers 7K Following Founder & engineer building the #1 Dogecoin Wallet @MyDogeOfficial + some 🥷 AI & Tesla projectsOwners @big3aliensSlangin dank meme apparel https://t.co/hPa4MRqqtQ
random_online_guy @24DarkMatter29
0 Followers 10 Following
zSecurity @_zSecurity_
16K Followers 97 Following 💻 Ethical Hacking & Cybersecurity Courses. 👇 Hack like black hat hackers and secure systems like cybersecurity experts
Refactor Security @refactorsec
495 Followers 1K Following Refactor Security is a cyber security company focused on application security and penetration testing.
Julia Sokolova @JuliaSo99220167
839 Followers 1K Following Computer Engineer 💻 Huge fan of JavaScript #100DaysOfCode #CodeNewbie #WomenWhoCode
Winnie @winnie_wachtel8
186 Followers 3K Following
gyptazy @gyptazy
18K Followers 16K Following FreeBSD advocate who is heavily into Ansible, BGP (AS20621), DevOps, Kubernetes, Proxmox, XCP-ng, Python, Rust & RISC-V and builds own decentralized solutions.
Aseem Jakhar @aseemjakhar
7K Followers 2K Following Cybersec Entrepreneur | Co-Founder: https://t.co/tullMYNfqo EXPLIoT Store | EXPLIoT Academy | IoT Auditor | Payatu | Nullcon | https://t.co/hJ6HlWBQIc | Null community
Jacqueline @Jacquel88399485
252 Followers 3K Following
Om Otari @Otari1Om
33 Followers 483 Following
Hackviser @hackviserr
2K Followers 3K Following Tailored cybersecurity upskilling platform for all levels, catering to beginners and pros | Best way to boost your #cybersecurity skills
angelina 💖🫦 @blingshark
52 Followers 698 Following
🏴☠️🏴�... @TigermanRoot
6K Followers 4K Following #𝑶𝒔𝒊𝒏𝒕 #𝑷𝒆𝒏𝒕𝒆𝒔𝒕𝒆𝒓. 𝑰 𝒍𝒐𝒗𝒆 #𝑳𝒊𝒏𝒖𝒙 𝑺𝒚𝒔𝒕𝒆𝒎 #H𝒂𝒄𝒌𝒆𝒓 - Python and C #programmer 🇮🇹 #Windows Admin Active Directory
Jessica* @jessica_matth0
358 Followers 3K Following LvL 20 . 🦋 I support everyone, Proud 🥰 She/Her retweet to everyone from Noww' after Follow back..
Cybersecurity Snacks @cybersecsnacks
1K Followers 4K Following Learn how to stay safe online and more. Tweets, threads, and insights showing you how to do it. Subscribe to our free newsletter.
Kendra @kendra52odonnel
308 Followers 3K Following
Gertrude @sontaggertrude1
308 Followers 3K Following
Viraj Vadhane @Viraj277
642 Followers 591 Following Javascript | Reactjs | Next.js | Node.js | Tailwind CSS | Figma | Express.js|. #Developer #WebDevelopment | Writer ✍🏻 | Digital Artist | Talks about History.
Linux Kernel Security @linkersec
9K Followers 0 Following Links related to Linux kernel security and exploitation. Maintained by @andreyknvl and @a13xp0p0v. Also on https://t.co/GVE11dpBb8 and https://t.co/YpxPWXnA6Z.
TheZDIBugs @TheZDIBugs
5K Followers 2 Following Checks for high severity, 0day, or Pwn2Own related advisories published by @thezdi
freakyclown @_Freakyclown_
17K Followers 3K Following Co-Founder of @CygentaHQ former head of cyber research @Raytheon - Keynote Speaker, ethical hacker and physical security specialist. Author of How I Rob Banks.
sagitz @sagitz_
5K Followers 826 Following Cloud Security Researcher at @wiz_io • Microsoft Most Valuable Researcher 21/22/23 • Black Hat Speaker
Hieu Tran @HieuTra34558978
158 Followers 179 Following Threat Detection Engineer at FPT and also a Dota2 Player.
Trí @trichimtrich
997 Followers 534 Following Pwn2Own 2021 Austin , 2022, 2023 Toronto, 2025 Berlin / Security Specialist @Seasecresponse / member @qriousec @vnsec
IxZ @Xuanninh1412
100 Followers 699 Following Pwn2own Berlin 2025 | Security Engineer | Member of @qriousec
VCSLab @vcslab
3K Followers 27 Following This is the Twitter channel of VCSLab - the research team of Viettel Cyber Security
Cam @SecretlyHidden1
2K Followers 230 Following Former full time bug bounty hunter - now doing security stuff at places :)
starlabs @starlabs_sg
9K Followers 20 Following A Singapore company that discovers vulnerabilities to help customers mitigate the risks of cyber attacks. Organisers of @offbyoneconf
Mochi Nishimiya @MochiNishimiya
279 Followers 258 Following just sad Vuln Research @starlabs_sg Baby Rev @r3kapig
REverse_Tactics @Reverse_Tactics
795 Followers 2 Following Software reverse engineering & vulnerability discovery company.
Nir Ohfeld @nirohfeld
4K Followers 841 Following Head of Vulnerability Research @wiz_io | @Microsoft MVR (2021-2025) | Pwn2Own 2025 | @Forbes 30 Under 30
Synacktiv @Synacktiv
20K Followers 271 Following Offensive security company. Dojo of many ninjas. Red teaming, reverse engineering, vuln research, dev of security tools and incident response.
Major_Tom @MajorTomSec
3K Followers 379 Following Underground control to Major_Tom. Security ninja @Synacktiv CTF Player @SentryWhale
FPGAX @FPGAX_
11K Followers 198 Following Sharing teardown images of military and aerospace electronics. Presenting the structure without judgment.|I run an FPGA store 👇🏻
Thach Nguyen Hoang �... @hi_im_d4rkn3ss
3K Followers 337 Following Security Researcher @starlabs_sg. Pwn2Own Mobile 2020, 2021, 2022, 2023. Pwn2Own Vancouver 2022, 2023, 2024, 2025.
Ramdhan @n0psledbyte
2K Followers 786 Following CTF @SuperGuesser (pwn), Security Researcher @starlabs_sg
Billy @st424204
1K Followers 95 Following Security Researcher @starlabs_sg Pwn2Own Vancouver 2024,2023,2022,2021 Pwn2Own Austin 2023,2021 Pwn2Own Berlin 2025
Katie Paxton-Fear @InsiderPhD
93K Followers 2K Following Dr, apparently. Security Adovcate @semgrep & Hacker. #BugBounty hunter & #infosec YouTuber. APIs & Interlinked OffSec, PhD in AI+Sec @hacknotcrime. she/her
Canonical @Canonical
107K Followers 532 Following Secure enterprise open source for the world. We're also the publisher of @Ubuntu, the most popular and reliable Linux OS. #AI #MLOps #Robotics #IoT #Cloud
MalwareHunterTeam @malwrhunterteam
244K Followers 38 Following Official MHT Twitter account. Check out ID Ransomware (created by @demonslay335). More photos & gifs, less malware.
typecraft @typecraft_dev
18K Followers 388 Following Husband and father of three. I use Arch (btw). building https://t.co/99tbr142Ej
Dreams of Code @dreamsofcode_io
3K Followers 138 Following The biggest dev YouTuber you've never heard of. https://t.co/bFKErRqFeG
Circuit Basics @circuitbasics
12K Followers 2K Following The best place on the web for projects and tutorials about the Arduino, Raspberry Pi, and DIY electronics!
Linux Format @linuxformat
53K Followers 85 Following Official Twitter account for Linux Format magazine, for 25 years delivering the best open source coverage! Over 300 full issues are on our PDF Archive 🫡
Framework @FrameworkPuter
95K Followers 198 Following Remaking consumer electronics to respect people and the planet. 💻🪛 For support visit https://t.co/OcUxJ6ebU3
Stephen Sims @Steph3nSims
24K Followers 832 Following Perpetual Student | SANS Fellow | Musician | Braggart Hater | Gray Hat Hacking | VR | 🏂 | deadcode | https://t.co/CadJehomsU
itszn @itszn13
9K Followers 697 Following Amy | Security researcher | https://t.co/W1SE7NmCx8 | bsky: https://t.co/JBmOGE4YKO | LLM ART: https://t.co/7FtQ8O8nAW
Kalmarunionen @kalmarunionenDM
2K Followers 88 Following KalmarCTF 2025: https://t.co/8NHWhF6mHU Homepage: https://t.co/R1QLSkNBhi CTFtime Link: https://t.co/UZqSKg6yJ6
s1r1us @S1r1u5_
11K Followers 2K Following aham nityaṃ śiṣyaḥ, jagat mama guruḥ. {~hacker~} {founder @ElectrovoltSec, @HacktronAI}
Pi-hole @The_Pi_Hole
23K Followers 40 Following A black hole for Internet advertisements. https://t.co/YsRfcn3hrw For support & feature requests, please visit https://t.co/Qdu6u7sBbb DMs off, see above
Dark Web Informer @DarkWebInformer
129K Followers 60 Following Providing Cyber Threat Intelligence from the Dark Web & Clearnet: Breaches, Ransomware, Darknet Markets, Threat Alerts & more. https://t.co/Fi7VW9lg94
logic destroyer @splinedrive
18K Followers 337 Following Software engineer and logic design hobbyist. Since 2021, Building RISC-V SoCs from scratch and hacking xv6/Linux to life, TU Berlin graduated
PINE64 @thepine64
42K Followers 273 Following A community driven project offering Arm and RISC-V devices to FOSS enthusiasts worldwide. News Blog: https://t.co/GRYJQy7O0S Telegram News Channel: https://t.c
EndeavourOS @OsEndeavour
15K Followers 314 Following A terminal-centric distro with a vibrant and friendly community at its core.
Red Hat Ansible @ansible
74K Followers 791 Following Automation for Everyone. Simple, powerful, agentless automation language to describe your complete IT infrastructure.
The Bug Bounty Hunter @tbbhunter
46K Followers 0 Following Promotions or business ✉️[email protected]
Turing Pi @turingpi
21K Followers 242 Following From homelab and edge AI to local LLMs, Turing Pi handles it all. Datacenter-level compute in a desktop design. Join the community https://t.co/Siv6YvvCYO
Linuxiac @linuxiac
5K Followers 50 Following Latest news from the Linux world and open-source software. Reviews, analyses, tutorials, and more—everything FOSS, all in one place.