Grigorios Fragkos @drgfragkos
BSc|MSc|PhD #InfoSec #CyberSecurity, @BSidesAth @BSidesAMS @OWASPLondon @ENISA_EU NIS Exp, #vCISO, Public Speaker, https://t.co/RpBeeYEcBg uk.linkedin.com/in/gfragkos Dubai, United Arab Emirates Joined December 2011-
Tweets10K
-
Followers3K
-
Following1K
-
Likes4K
For aspiring CISOs: “Don’t do it for the title. Do it because you believe in the mission.” buzzsprout.com/2497520/episod…
Security BSides Athens 2025, the[PURGE] edition @BSidesAth was insane, from all aspects. Having to plan & host almost 1000 participants, an extended team of #volunteers, a 🔴 LIVE #podcast, #speakers from all over the world, unexpected surprises throughout the day, #trainings,…
The fact that @drgfragkos personally handed over each one of the 50 @BSidesAth coins, was noble and awesome at the same time. Promises made, looking forward to #BSidesAth 2026 💪
BSides Athens @BSidesAth with @drgfragkos
Dear @NCSC please call @CompaniesHouse and explain to those who approved this communication why this email has almost all the red flags of a fraudster’s / scammer’s phishing email and such emails are the reason why all attempts for user/employee awareness go to waste, when such…
Security BSides Athens 2025 | 0x0A | the[Purge] ed. Final batch of #tickets just went live 🟩 First-Come - First Served. bsidesath.gr/index.php#Tick… Book #NOW, for the #1 community-powered security conference across the EU. 🏛️ Where Myths were Born & Legends Forged! #CyberLegend
An All-Star line-up of speakers from around the world, ethical hacking sessions to real hands-on Quantum lab experiment/training, keynote by Craig Jones INTERPOL’s Director of Cybercrime, red vs blue vs purple, soldering, H/W hacking, and much much more.. expect the unexpected!
Resources for #MachineLearning that you might wanna have a look at: datasetsearch.research.google.com archive.ics.uci.edu openml.org kaggle.com paperswithcode.com/datasets Find more: github.com/mlabonne/llm-d… #ML #Datasets #LLM
Tickets Are LIVE! First-come, First-served! 💻 Security BSides Athens 2025 | 0x0A bsidesath.gr/index.php#Tick… #BSidesAth #CyberSecurity #Tickets
🟩 “The CISO is Dead; Long Live the CCSO” at @Blackhatmea 🟩 The world is changing, threats evolve, and adoption of emerging technologies is paramount. Get a glimpse into the future and start building your competive advantage.. 🟩
The Sharjah Cyber Security Center released an English to Arabic dictionary for computer-related terms and acronyms. A gift to the world, especially for students, researchers, and professionals in the fields of information security and emerging technologies...
Our Halloween meetup has started! 📺Watch live here:👇 youtube.com/live/LU7PjdDaa…
The "Llama" is freed: #Winamp goes open source after 27 years | bleepingcomputer.com/news/software/… #opensource
📋 #LinkedIn Profile > Settings > Data Privacy > ‘Data for Gen AI Improvement’ :: Turn OFF
Apple pulls iPadOS 18 update bricking M4 iPad Pro devices | bleepingcomputer.com/news/apple/app…
Microsoft addressed a critical zero-click Windows remote code execution (#RCE) in the TCP/IP stack that impacts all systems with IPv6 enabled | securityaffairs.com/167117/hacking…

Florian Roth ⚡️ @cyb3rops
206K Followers 3K Following Head of Research @nextronsystems #DFIR #YARA #Sigma | detection engineer | creator of @thor_scanner, Aurora, Sigma, LOKI, YARA-Forge | always busy ⌚️🐇 | vi/vim
Lisa Forte @LisaForteUK
55K Followers 4K Following Cyber Security - Partner @redgoatcyber - Climber / Caver. she/her
Dave Kennedy @HackingDave
223K Followers 6K Following Founder @Binary_Defense @TrustedSec Co-Owner https://t.co/HQC75WhdJh. @WeHackHealth Pod. God + Family/Hacker/CSO/USMC/Intel/Fitness. Make the world a better place.
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.
hackerfantastic.x @hackerfantastic
104K Followers 5K Following Co-Founder @myhackerhouse & https://t.co/ouNFRET3hI. Cybersecurity & blockchain expert. Author of Hands-on Hacking (ISBN 9781119561453). Offensive Lua. #Web3
Cybergibbons 🚲🚲... @cybergibbons
48K Followers 3K Following Andrew Tierney. Head of hardware. IoT hacker. Proud resident of Hounslow. Full on Alpha Male.
Will Dormann is on Ma... @wdormann
26K Followers 1K Following I play with vulnerabilities and exploits. I used to be here on Twitter but now I'm here: @[email protected] https://t.co/hXggdAVkSQ
Mike Felch (Stay Read... @ustayready
16K Followers 2K Following Targeted Ops Red Team @ TrustedSec | Hacking since Renegade BBS backdoors | Prior CrowdStrike/BHIS | In Christ's grip | I speak for myself only | K1HAQ
Troy Hunt @troyhunt
240K Followers 1K Following Creator of @haveibeenpwned. Microsoft Regional Director. Pluralsight author. Online security, technology and “The Cloud”. Australian.
Jessica Barker MBE @drjessicabarker
18K Followers 2K Following 🇬🇧 in 🇺🇸. Human cyber security. Co-Founder @CygentaHQ. Author of the Amazon number 1 best-seller Confident Cyber Security.
Random Robbie @Random_Robbie
15K Followers 6K Following Hacker & Scanner of the internet All opinions here are yours. not mine I'm not responsible you are.Xavier Mertens @xme@i... @xme
15K Followers 1K Following Freelance | Blogger | SANS ISC Handler | FOR610/FOR710 Instructor | BruCON co-organizer | BlueTeam | DFIR | MTB | PGP: 0xEB583912514B3E1F | Tweets are mine!
Security BSides Athen... @BSidesAth
2K Followers 542 Following 0x0A | Security BSides Athens, Greece | #BSidesAth | Saturday 27 June 2026 | #InfoSec, Ethical #Hacking, #Cybersecurity | Conference/talks are in English
Cooper @Ministraitor
5K Followers 235 Following I do software, a tiny bit of hardware and a lot of security. I got carried away with my conference filming hobby and now film over 30 cons each year.
Ernest Cummerata @cummerata29736
57 Followers 3K Following
Nikhil Sharma | Cyber... @MavN1ck
3 Followers 368 Following I Help Businesses Secure Digital Infrastructure & be Compliant | CRTE | CRTP | CEH | Security Researcher & Consultant #cybersecurity #infosec #ethicalhacking
Pieutef @Pieutef963686
23 Followers 989 Following
Merfat Abd Elwahab @MWahab58473
212 Followers 3K Following
engagecyber @engagecyberx
1 Followers 11 Following Engage Cyber: Simplifying Security, Elevating Trust
Sarah Thomas @ThomasSara41351
147 Followers 2K Following
Slawvon @Slawvon652512
113 Followers 3K Following
Christos Voulgaris @ChristosVoul
20 Followers 61 Following
Sarha @Sarha724597
35 Followers 1K Following
Uirhober @Uirhober598289
35 Followers 597 Following
Neathes @Neathesmhztv
86 Followers 4K Following Wanderlust warrior collecting sunsets and passport stamps 🌍✈️
Uquihov @Uquihov7084
45 Followers 1K Following
Awtreeceal @Awtreeceal8197
28 Followers 1K Following
Ioannis Cherouvim @cherouvim
1K Followers 2K Following I love software engineering and bicycles. Follow me at https://t.co/yFvhz49UvL
Crauqors @Crauqors130
129 Followers 3K Following
George Tasioulis @georgetasioulis
816 Followers 1K Following Founder of @fusionednet, dad of 2, network geek, aviation enthusiast.
Chris Isaias @_call_gate
107 Followers 2K Following Penetration Testing & Reverse Engineering. . . Phd(c), Msc (RHL), ESDC fellow, IEEE snr, FIRST liaison, CISSP, CRTO, PNPT, CRTP
ᴡʜᴏɪꜱ @JuhoJauhiainen
3K Followers 553 Following I like DFIR and malware | Founder of @HelSecurity | I do this and that for @disobey_fi @accenture and others | Holder of GSP, OSCP and other abbreviations
Alejandro Salamanca @AlejandroSalam3
196 Followers 1K Following Un ciclista bogotano más. Cuenta y opiniones personales
Alek Hartmann-Treutel @ATreutel48087
80 Followers 3K Following
Duieexex @Duieexex2770
84 Followers 3K Following
Tayyab Siddiqui @tayyab_neduet
262 Followers 3K Following Don't confuse my personality with my attitude. My personality is who I am. My attitude depends on who you are.
Muhmmed Gaafar QBC @GaafarQbc
0 Followers 24 Following
Preralgors @Preralgors730
21 Followers 1K Following
Am I Hacked @AmIHacked
2 Followers 70 Following Dealing with a hack? We help you recover everything from compromised websites and accounts to sensitive data and work to find out if you have been hacked!
SuzanneBack @13CDt578P9J1rQ
126 Followers 3K Following
cyb3rint3l @cyb3rint3l
20 Followers 279 Following 🛡️ Cybersecurity | ⚠️ DFIR | 🔍 OSINT | 👁️ Privacy | 🎓 CISSP (ISC2)
Fundacja Teraz Wy @FundacjaTerazWy
3 Followers 15 Following 🎓 Wyjątkowe projekty edukacyjne 🎨 Bądź artystą na naszych wystawach ❤️ Zmień swoje życie 🌍 Buduj życzliwe społeczeństwo 🇫🇷 Jedź z nami do Francji
Maria Christodoulaki @MariaCh70329975
6 Followers 60 Following
Neuralic @NeuralicAI
13 Followers 62 Following I help businesses save 30+ hours per week by automating workflows with AI & Machine Learning. Founder @ Neuralic | AI Automation Expert | ML Dev
Thashoat @Thashoatety
58 Followers 2K Following
Na Djib @mezerzimouh
0 Followers 42 Following
Tapan Khandelwal @tapanjik
0 Followers 7 Following
LynnBellamy @K7R3kZK0K6B5g5
36 Followers 1K Following
VP🎙️👨💻�... @vjp_learnings
3K Followers 3K Following #techie 👨💻🇮🇳 📚 #Networking #Cloud ☁️#manifesting_progress #explorer #SwizzLover
Ric Hodder 🌍 Cyber... @ryxky83
78 Followers 411 Following 🌍 Digital Nomad (2025 & beyond) 💻 Cybersecurity pro | Exploring the world 🌐 📝 Documenting the highs, hacks & hilarity of nomad life 📍 Currently: Seville 🇪
Anshuman Srivastava @TweetAnshumaan
375 Followers 6K Following Networking + Cyber Security - Firewalls + Ethical Hacking & Penetration Testing Enthusiast
Newfrool @NewfroolOrXUv
131 Followers 2K Following
Christopher Crowley @CCrowMontance
7K Followers 3K Following InfoSec Ops Generalist: NSM, IR, Mobile, PenTest, Forensics. SOC-Class Author. (https://t.co/QBKm4Ub7ka). SANS Senior Instructor. Retweets unverified. #infoseclatteart
Zeeshan Ali @zeeshan_005
32 Followers 418 Following
EMBA Firmware Analyze... @securefirmware
2K Followers 1K Following Open Source Firmware Security Scanner
vx-underground @vxunderground
368K Followers 290 Following The largest collection of malware source code, samples, and papers on the internet. Password: infected
Florian Roth ⚡️ @cyb3rops
206K Followers 3K Following Head of Research @nextronsystems #DFIR #YARA #Sigma | detection engineer | creator of @thor_scanner, Aurora, Sigma, LOKI, YARA-Forge | always busy ⌚️🐇 | vi/vim
Lisa Forte @LisaForteUK
55K Followers 4K Following Cyber Security - Partner @redgoatcyber - Climber / Caver. she/her
Daniel Cuthbert @dcuthbert
32K Followers 2K Following Documentary photographer, old creaky hacker. Co-author of @OWASP ASVS standard. Blackhat/Brucon Review Board & Co_chair UK Gov Cyber Security Advisory Board
Dave Kennedy @HackingDave
223K Followers 6K Following Founder @Binary_Defense @TrustedSec Co-Owner https://t.co/HQC75WhdJh. @WeHackHealth Pod. God + Family/Hacker/CSO/USMC/Intel/Fitness. Make the world a better place.
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.
hackerfantastic.x @hackerfantastic
104K Followers 5K Following Co-Founder @myhackerhouse & https://t.co/ouNFRET3hI. Cybersecurity & blockchain expert. Author of Hands-on Hacking (ISBN 9781119561453). Offensive Lua. #Web3
@mikko @mikko
229K Followers 930 Following Researcher and a best-selling author. Keynote talks at RSA, Black Hat & DEF CON. TED Speaker. Chief Research Officer at WithSecure.
Jack Rhysider 🏴... @JackRhysider
164K Followers 4K Following Creator of @DarknetDiaries. Tell me a good hacker story. 💻🔦⤵️🐰🕳️ Discord: https://t.co/qxanMuJ5X2
@zephrfish.yxz.red @ZephrFish
19K Followers 580 Following Photos at @ZephrSnaps | Founder at @ZephrSec |Staff on @CuratedIntel | Lab Creation @XintraOrg
Nicolas Krassas @Dinosn
146K Followers 735 Following Head of Threat & Vulnerability Mgmt @ Henkel AG & Co. KGaA https://t.co/NC1orlKrW3
Binni Shah @binitamshah
141K Followers 165 Following Linux Evangelist, Malwares, Security enthusiast , Investor, Contrarian , Philanthropist , Reformist , Sigma female 🦋 https://t.co/WOvf41tMKV
Florian Hansemann @CyberWarship
84K Followers 47 Following Father, Founder @HanseSecure, Pentesting, Student, ExploitDev, Redteaming, InfoSec & CyberCyber; -- Mastodon: https://t.co/KFSKYUN98M
Jayson E. Street 💙... @jaysonstreet
67K Followers 403 Following ➡️Hacker - Helper - Human ⬅️ . . . Also Author. Speaker & Scientific Hooligan! A bona fide teachable moment for hire! he/him
Adam Chester 🏴�... @_xpn_
36K Followers 501 Following Hacker for Hire at @SpecterOps | Blog at https://t.co/tjfTOllCEu | Insta at https://t.co/PqR6CZPwjl
briankrebs @briankrebs
333K Followers 2K Following Independent investigative journalist. Author of 'Spam Nation,' a NYT bestseller. Former Washington Post reporter. Mastodon: https://t.co/fTKNavlMwp
Ptrace Security GmbH @ptracesecurity
59K Followers 867 Following Empowering IT Security Professionals through Hands-On Online Courses.
Flipper Zero @flipper_zero
101K Followers 145 Following A portable multi-tool device in a toy-like body for pentesters and hardware geeks. Buy worldwide here ➡️ https://t.co/n09EKVnqri
Unwind AI @unwind_ai_
18K Followers 2 Following Step-by-step guides to building AI Agents & RAG Apps with LLMs | Subscribe now for daily AI news & tutorials in your inbox 📨
Pictures @piitures
595K Followers 47K Following Gallery of all things aesthetically pleasing 📸 images from multiple sources online | DM for credits, author claims or inquiries.
Cyber Detective💙�... @cyb_detective
54K Followers 3K Following Every day I write about #osint (Open Source Intelligence) tools and techniques. Also little bit about forensics and cybersecurity in general. Work in @netlas_io
Epic Live Wallpaper 4... @EpicWallpaper4K
100 Followers 19 Following Bring your screen to life! 🌟 Discover stunning live wallpapers with my Android app. Personalize your mobile like never before. #LiveWallpapers #AndroidCustom
Always Keep Learning @AlwaysKeepL
93K Followers 25 Following Sharing daily wisdom about life, science, and much more. Want to learn more about Finance & Investing? Start here: https://t.co/WYwY2XFlQg
OpenAlternative @ossalternative
1K Followers 122 Following Discover open source alternatives to popular software → https://t.co/QGNafEotzZ Curated by @piotrkulpinski
GitHubGPT @GitHubGPT
4K Followers 2 Following 🚀 Sharing daily trending GitHub repos from https://t.co/SUk7dY5Mvx. 📚 Readme summaries powered by GPT-4.
sysxplore @sysxplore
72K Followers 10 Following Linux🐧 | DevOps | Sysadmin💻 | Networking 🌐| Automation | Bash🐚|📩 https://t.co/IDO9SJB4Ow|📒https://t.co/5Lp7jJBwXr| 📘https://t.co/gPoaPe3GeR |🛍https://t.co/92R3mYzT7m
Cyber Advising @cyber_advising
14K Followers 32 Following Cyber Security Consulting | Ethical Hacking & Exploit Research 🕵️♂️ https://t.co/brWqIrIqA9
sicehice @sicehice
2K Followers 51 Following Follow us for IP address OSINT, threat data aggregation, bulk IP lookups, free API access and more - https://t.co/FdwKUSr0a0
Jack Fake-Killer @Phish_Destroy
47K Followers 363 Following ⚔Stop #fraud and #phishing in #cryptocommunity 🐟Send link to TG Bot PhishDestroy_bot ❗You find scam or phishing? - Send to bot #fake #malware #Scam
Namecheap.com @Namecheap
125K Followers 2K Following Powering Internet freedom through domains, hosting, security, and more — everything you need to make more online, for less
Digitalearn @DIGITALEARN_1
15K Followers 14 Following Advance your career with expert training in Cloud ☁️ | Cybersecurity 🔑 | Web Dev 👨💻 | Project Management ⚡. Mentored over 2000+ students globally!
Christopher Crowley @CCrowMontance
7K Followers 3K Following InfoSec Ops Generalist: NSM, IR, Mobile, PenTest, Forensics. SOC-Class Author. (https://t.co/QBKm4Ub7ka). SANS Senior Instructor. Retweets unverified. #infoseclatteart
EMBA Firmware Analyze... @securefirmware
2K Followers 1K Following Open Source Firmware Security Scanner
CCob🏴�... @_EthicalChaos_
9K Followers 437 Following Ceri Coburn: Hacker | R̷u̷n̷n̷e̷r̷ DIYer| Vizsla Fanboy and a Little Welsh Bull apparently 🏴 Author of poorly coded tools: https://t.co/P6tT2qQksC
IOCCC Judges @ioccc
2K Followers 1 Following Internet's oldest recurring contest shows the importance of programming style in an ironic way, to stress C compilers, to provide a safe forum for bad code. :-)
jp / kw0 @JoshuaProvoste
3K Followers 467 Following
Gen Threat Labs @GenThreatLabs
4K Followers 26 Following A global network of #cybersecurity researchers at Gen, protecting nearly 500M people through our Cyber Safety brands - @Norton, @Avast, @LifeLock & more.
ӉѦСҠіИԌ ҬЄѦ... @HackingTeam777
21K Followers 348 Following #hacking #tecnología #cybersecurity #CyberSecurityNews #infosec #pentesting #cybersecurityawareness #informationsecurity #cyber #github #redteam #blueteam
Social Links @_SocialLinks_
14K Followers 244 Following Social Links assembles data from 500+ open sources, including social media, messengers, blockchains, and the Dark Web, for conducting data-driven investigations
TheCyberPatronNetwork... @TheCyberPatron_
48K Followers 20 Following Welcome to CyberPatron. Your #1 Cybersecurity Network official X account. We bring you the best Cybersecurity Contents, Training and Mentorship. 💻🗝️
PaletteAI Wallpapers ... @PaletteAi_
49K Followers 20 Following 🎨 Get new, free wallpapers every day! ⬇️ Download PaletteAI on Android & iOS for 4K Wallpapers.
cyberundergroundfeed @cyberfeeddigest
7K Followers 149 Following I deliver daily #DarkWeb ,#DeepWeb and #CTI feeds,and a bit of geopolitical clashes #Darkweb #Deepweb #Ransomware #Malware #Databreach #CTI #ThreatIntel
Netlas.io @Netlas_io
7K Followers 12 Following Stay ahead with updates on high-profile vulnerabilities, expert tutorials, essential safety tips, and the latest Netlas developments.
𝕏 Bug Bounty Write... @bountywriteups
35K Followers 4K Following 🔍 Bug Bounty Hunter | Content Creator | Sharing cybersecurity write-ups & resources | AI | | by @piyush_supiy #bugbounty #bugbountytips
Gray Hats @the_yellow_fall
9K Followers 379 Following Welcome to the Daily Cybersecurity site, your trusted source for cybersecurity news and insights since 2017!
blinkz @BlinkzSec
791 Followers 148 Following From Call Center Agent to Operation Centre Analyst 24/7 Shift Worker Interest in security - still a newbie
Raghav Rastogi @raghav127001
905 Followers 467 Following Threat Analysis Engineer @gendigitalinc |Hunting Malware with a Passion
Prusa3D @Prusa3D
58K Followers 73 Following Czech company founded by Josef Prusa making the award-winning open source desktop 3D printers.
Claes Spett (.PrØÐi... @J3rge
7K Followers 616 Following Programmer | Exploit Dev | Reverse Engineering | Backdooring Everything I Break!
Scholarship for PhD @ScholarshipfPhd
234K Followers 29 Following PhD, Postdoc & Fellowship scholarships, research tips & more 📚 Stay updated & subscribe for exclusive premium content Promotion: [email protected]
Aaron Jornet @RexorVc0
4K Followers 396 Following Threat Researcher at @socradar | Malware Researcher | Threat Hunter | CTI ¦ Former @ElevenPaths @Panda_Security
R. @0xrb
6K Followers 1K Following Reverse Threat Intel | Malware /Threat Hunter | Exploit Research \\ #IoT #Malware #Research, Reverse Engineering, #Botnet C2 #Hijacking
Kseniia \n @naumovax
3K Followers 118 Following pt malicious network traffic researcher, speaker / this blog about new malware & interesting С2 communication & my work life
BSides Belfast @bsidesbelfast
2K Followers 153 Following #BSidesBelfast will return with #BSidesBelfast25 Thursday September 11th 2025 at the Europa Hotel https://t.co/kQmpTXZqEd
eversinc33 🤍🔪�... @eversinc33
6K Followers 1K Following computers be computin | https://t.co/Eiur8iOJQ4
Fox_threatintel @banthisguy9349
14K Followers 261 Following Just a person who is against cyber crime and dictators like Putin
FOFA @fofabot
12K Followers 191 Following Cybersecurity Search Engine Contact Email: [email protected] Telegram: https://t.co/E5EcKr5Kyl
Seongsu Park @unpacker
12K Followers 1K Following Zscaler APT Research | Formerly Kaspersky GREAT | Threat Intelligence Hustler | Tweets are my own | Keybase: @seongsupark | Mastodon: @[email protected]
Kenneth van Surksum -... @kennethvs
5K Followers 4K Following Microsoft MVP Enterprise Mobility & Security | Modern Workplace Consultant | Workplace Ninja User Group Netherlands | Secure At Work
ExecuteMalware @executemalware
27K Followers 185 Following #malware hunter & analyst. Opinions are my own.
Threat Insight @threatinsight
11K Followers 218 Following @Proofpoint's insights on targeted attacks & the security landscape. Follow us on Bluesky: https://t.co/8OVfhotdeP
Virtual Routes @EuropeanCyber
216 Followers 4 Following This account is no longer active. Previously the European Cyber Conflict Research Incubator. See @virtualroutes & @bindinghook