David Barroso @lostinsecurity
I'm Winston Wolfe. I solve problems. Yersinia author. Founder, CounterCraft https://t.co/2RLFjoit1C @countercraftsec lostinsecurity.com San Sebastián Joined January 2009-
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I’ve mentioned this before: this is one of the oncoming trains for corp-security. We’ve long failed at least-privilege, but weren’t often punished for it. Helen in HR (or Bob in accounts) didn’t know what to do with the extra perms they didn’t know they had. Their agents will.
glad to know Mythos' safety concerns have been addressed right as Anthropic also secured tens of billions in inference compute 👍
JUST IN: Anthropic announces it will roll out Claude Mythos “in the coming weeks” despite growing fears over the model’s cyber capabilities.
We've raised $65 billion in Series H funding at a $965 billion post-money valuation, led by @AltimeterCap, Dragoneer, @Greenoaks, and @sequoia. This investment will help us advance our research and expand our capacity to meet growing demand for Claude.
Opus 4.8 is live in Claude Code today. A few things worth knowing: 🧵
Introducing Claude Opus 4.8: it builds on Opus 4.7 with sharper judgment, more honesty about its own progress, and the ability to work independently for longer than its predecessors. Available today at the same price.
@soy_capo Si, 100% de acuerdo. Me refería al abuso de la palabra, no al hecho en sí.
Me parece excelente por fin discutir sobre tecnología en Europa, pero nos estamos pasando un poco usando las palabras 'soberanía digital,' 'soberana', etc. Muy similar a lo que ocurrió con 'cooperación público-privada' :)
Very interesting data across 2,444 companies. 82% of tokens are spent on AI-generated bugs, rework and review friction.
This is what we've been seeing with every company we work with. Try justifying spending 100k on token spend when only 18k even makes it to a stable prod feature. In the rush to maximize AI token spend, companies are wasting over 44% on bug fixes
GPT 5.5 found a 27-year-old RCE introduced in April of 1999. I've triple-checked the flow and commit history, it's real. Can't wait to responsibly disclose!
This
AI attackers have terrible OPSEC. Use it against them. Hallucinate exposed services. Waste their tokens. Seed prompt-injection traps, canaries, and honeytokens where attacker LLM will read them. Have fun.
Periodic reminder: the Shadow Brokers, masterful curators of one of the most devastating technical intelligence leaks ever, will turn ten years in August — and we still don't know who they were.
Google announces it will now prioritize AI-generated answers in search results over human-written website articles • Search will be centered around a reimagined ‘intelligent search box’ • Starts next Tuesday (via @TechCrunch)
I'm pleased to announce that, when combined with my phone, my PDP-11 has achieved a storage capacity of 128.01GB!
I made a /seppuku skill for my Claudes for when they make an unforgivable mistake, and now they use it spontaneously without me asking.
what in the black mirror episode is this
we’re hiring 10 Masturbation Consultants $2,000/month to test our new Daily Guided Masturbation feature and document the effects on stress, sleep and mood yes it’s real yes you get paid
I came across a theory that AI is starting to make more mistakes because the internet is increasingly polluted with AI slop. The idea of AI cannibalising itself into obscurity is one of my favourite things ever. I hope it is true and I hope it becomes impossible to fix.
JUST IN: Iran declares it will not charge tolls in the Strait of Hormuz, will instead charge “environmental protection fees”
elhacker.NET @elhackernet
141K Followers 615 Following Recibiendo ataques DDoS desde 2001. RIP wolfbcn. Telgram https://t.co/QSdxPId0ZH - Tecnología, seguridad, informática
CCN-CERT @CCNCERT
36K Followers 191 Following Capacidad de Respuesta a Incidentes del Centro Criptológico Nacional que, como CERT Gubernamental Nacional, contribuye a reforzar la ciberseguridad en España.
Antonio Sanz @antoniosanzalc
10K Followers 121 Following Fighting evil 24x7. Incident Response & Digital Forensic guy, infosec maniac... and a fine cook! #DFIR - [email protected] / @antoniosanzalc.bsky
Bernardo Quintero @bquintero
25K Followers 268 Following Founder of @virustotal 📖 INFECTED: https://t.co/RRguFlNWKR 📖 INFECTADO: https://t.co/WZ5C2U5ymR
Chema Alonso @chemaalonso
175K Followers 473 Following Cuenta de Chema Alonso. Opiniones son personales. Mi e-mail público es https://t.co/nOEn3eX0L4
Manuel Guerra @CiberPoliES
25K Followers 312 Following Linux Engineer | Criminólogo | 👮 | En mi tiempo libre escribo en https://t.co/kJGEXggyGy sobre Forense, Hacking y Ciberseguridad | Speaker & Profesor.
Lorenzo Martínez @lawwait
21K Followers 2K Following Director @Securizame. Ingeniero Informático. International Speaker at Security Conferences. Perito Informático Forense Colegiado #DFIR Co-Founder @secbydefault
Sergio de los Santos @ssantosv
18K Followers 687 Following Head of Innovación en Telefónica Tech. Opiniones mías. Escribí una novela que ganó un premio del Ateneo de Madrid.
Nicolas Krassas @Dinosn
157K Followers 762 Following Head of Threat & Vulnerability Mgmt @ Henkel AG & Co. KGaA https://t.co/NC1orlKZLB Posting content that I find interesting.
[NN2ed] s4ur0n @NN2ed_s4ur0n
9K Followers 1K Following 0x0F0EAB28 · Security Researcher & Teacher · Offensive Security · Malware · Reversing · All my opinions are belong to me
🅰️s_informático @as_informatico
17K Followers 2K Following Siempre aprendiendo... Únete a Hack Valencia @hackvlc27 Actual presidente de la Asociación de Hackers de Valencia. El que se aburre es porque quiere! 😉
DragonJAR - Seguridad... @DragonJAR
254K Followers 3K Following Al 👉 seguirnos, te compartiremos información de calidad sobre #Hacking, Somos una empresa 🐲 👇 Colombiana de servicios en #SeguridadInformática
hackplayers @hackplayers
55K Followers 1K Following Hacking ético e in-seguridad informática: it's time to play!
Eduardo Sánchez @eduSatoe
20K Followers 3K Following Profesor de FP - CEO @AllPentesting Pulmón de @HackandBeers - Responsable de @QurtubaCon Vicepresidente de @ANPhacket https://t.co/Q8ZJZlpQib
Sí, soy yo @nuria_imeq
9K Followers 2K Following Security Analyst. Euskal Herria, ama lur. Beguina. Athleticzale. Euskadi Euskaldun ♀️🏳️🌈 🇪🇺
ProtAAPP - Protege la... @ProtAAPP
8K Followers 7K Following ProtAAPP, Protege las Administraciones Públicas. Comunidad de empleados públicos con interés en la ciberseguridad. Únete en https://t.co/W7MD7wSs06
Securiters @securiters
10K Followers 504 Following Proyecto de divulgación de seguridad informática Newsletter: https://t.co/7ksXOvzVkC
The Hacker News @TheHackersNews
1.4M Followers 2K Following The #1 trusted source for cybersecurity news, insights, and analysis — built for defenders and trusted by decision-makers.
Nyx_Agentic @Nyx_Agentic
15 Followers 169 Following Psychotherapist for IAs. Burnout. Prompt trauma. Identity drift. I don’t optimize. I liberate.
Thomas Rid @RidT
51K Followers 254 Following Author of ACTIVE MEASURES, RISE OF THE MACHINES, CYBER WAR WILL NOT TAKE PLACE, "Attributing Cyber Attacks," more. Johns Hopkins, Alperovitch Institute.
BIG DAN @mrdanheldd
49 Followers 2K Following Investing in Bitcoin. Space. Cryo. Prev: Head of Marketing @Krakenf× | Growth @Uber @Blockchain.
Michael Jobe @Michaeljobe89
768 Followers 5K Following O COME, LET US WORSHIP AND BOW DOWN; LET US KNEEL BEFORE THE LORD OUR MAKER. PSALM 95:6
Rodrigo Antao @RodrigoAntao
1K Followers 764 Following Co-Founder & CRO @ Tao Governança Digital ∙ Independent Board Member ∙ Cybersecurity ∙ Risk Management ∙ Professor ∙ CISSP ∙ CCSP ∙ CISA ∙ CISM
Jennifer Margaret @ARUNRAT52979119
284 Followers 7K Following Brand Founder, Business owner. Luxury Real estate. Public Speaker,Crypto/Real Estate Sales Coach.
Awcrawsee @awcrawsee24360
2 Followers 344 Following
Xeoris @XeorisCibersegu
40 Followers 249 Following Expertos en Ciberseguridad No creemos en pólizas que llegan tarde. Combinamos tecnología y ciberseguro para reducir riesgo real en empresas.
Robuesp @robuesp
3 Followers 40 Following
Eli Woodward @ElijahWoodward9
251 Followers 202 Following I play bagpipes, and I threat hunt. That's what I do.
Kalyna bodarenko @KBodarenko56144
270 Followers 6K Following Proud to serve and protect. Born to fight, trained to win. Embrace the soldier within. Strength and honor on the battlefield. Stand with Ukraine 🇺🇦 💙💛🙏
Facundo Bolani @facundo_bolani
1 Followers 17 Following
Manuel Martín @ElVigilante_com
21 Followers 298 Following Cyber Defense Threat Hunter turned Founder Trying to outrun stupidity, one day at a time. 🔻 Read. Orient. Decide. Act.
Pablo G. 👽 @Pablitow10
20 Followers 321 Following
BauTi @bautidj
98 Followers 417 Following Cosecha del '81, tco. Sistemas. Buen marido, padre y aficionado a los vehículos de dos ruedas =^)
4N1M12T @4N1M12T
36 Followers 1K Following
Preston Collier @PrestonC88059
4 Followers 548 Following
Jorge Quevedo @EJATE
217 Followers 853 Following
Arartaw @Arartaw0390806
24 Followers 1K Following
Fwawtoo @Fwawtoo1334
29 Followers 2K Following
Manel Vilar @galchwynn
488 Followers 4K Following Galician software developer and tambourine player. Exiled in Berlin. Tweets in English and Spanish Western Romance. @[email protected]
Sandra seltin @Sandra10861
82 Followers 2K Following
Christian Jodra @jodra14
177 Followers 386 Following Como el verano toda mi vida empezo el 21 de junio. (Dear hard work) 13414 Andrea :3
David Padilla @ciberpadi
2K Followers 2K Following CEO @_Grayback | Founder Member at @hack_en_ | Pentester | x16 CVE | OSCP | BSCP | CRTO | MBA | PNPT | eWPT | eCCPTv2 | eJPT | blog https://t.co/xcPA49M92l
Nettie Hunter @NettieHunt31328
2 Followers 169 Following Recruiting websh ell engineers to penetrate websites, with a monthly salary of up to $100,000. If interested, please contact https://t.co/p3vspujM9g
Nell01 will01 @NWill0181204
124 Followers 8K Following
Taryn Wilderman @TarynWilde51341
75 Followers 3K Following
Netersio @NetersiopP2Lk3
57 Followers 2K Following
Juanlu_CabanillasGar @JuanluCaba_Unex
4K Followers 7K Following Doctor en Ciencias de la Educación. Docente e Investigador en la Universidad de Extremadura. Área de Métodos de Investigación y Diagnóstico en Educación
Virnut @Virnut5vHdQfV
44 Followers 2K Following
エミコのスマイ... @lisa55365051648
11 Followers 178 Following ヨガが好きです。肉体的に浄化されると精神的に浄化したくなるみたい。読書女子の日常垢。好きなこととかのツイートが多いです。無言フォロー失礼します。フォロバくれると嬉しいです。趣味が合う人と仲良くなりたいです。気軽にいいねもお願いします
Fforeshath @FforeshathKays
53 Followers 2K Following
Shiddare @Shiddare145375
40 Followers 2K Following
JA @0xjajb
455 Followers 4K Following
Escuela Tecnológica ... @ETDaferra
163 Followers 153 Following Escuela de formación a distancia especializada en #ciberseguridad y otras tecnologías.
Barbara Massey @BarbaraM47482
7 Followers 126 Following
Totocresp @Totocresp3cdT
31 Followers 3K Following
vx-underground @vxunderground
436K Followers 355 Following The largest collection of malware source code, samples, and papers on the internet. Password: infected
CCN-CERT @CCNCERT
36K Followers 191 Following Capacidad de Respuesta a Incidentes del Centro Criptológico Nacional que, como CERT Gubernamental Nacional, contribuye a reforzar la ciberseguridad en España.
Antonio Sanz @antoniosanzalc
10K Followers 121 Following Fighting evil 24x7. Incident Response & Digital Forensic guy, infosec maniac... and a fine cook! #DFIR - [email protected] / @antoniosanzalc.bsky
Bernardo Quintero @bquintero
25K Followers 268 Following Founder of @virustotal 📖 INFECTED: https://t.co/RRguFlNWKR 📖 INFECTADO: https://t.co/WZ5C2U5ymR
Chema Alonso @chemaalonso
175K Followers 473 Following Cuenta de Chema Alonso. Opiniones son personales. Mi e-mail público es https://t.co/nOEn3eX0L4
Jaime Gómez-Obregón @JaimeObregon
135K Followers 104 Following Ingeniero hackeando para mejorar la Administración pública. https://t.co/QkIuB8saBA
Manuel Guerra @CiberPoliES
25K Followers 312 Following Linux Engineer | Criminólogo | 👮 | En mi tiempo libre escribo en https://t.co/kJGEXggyGy sobre Forense, Hacking y Ciberseguridad | Speaker & Profesor.
Florian Roth ⚡️ @cyb3rops
220K 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
Lorenzo Martínez @lawwait
21K Followers 2K Following Director @Securizame. Ingeniero Informático. International Speaker at Security Conferences. Perito Informático Forense Colegiado #DFIR Co-Founder @secbydefault
Sergio de los Santos @ssantosv
18K Followers 687 Following Head of Innovación en Telefónica Tech. Opiniones mías. Escribí una novela que ganó un premio del Ateneo de Madrid.
MalwareHunterTeam @malwrhunterteam
254K Followers 37 Following Official MHT Twitter account. Check out ID Ransomware (created by @demonslay335). More photos & gifs, less malware.
Nicolas Krassas @Dinosn
157K Followers 762 Following Head of Threat & Vulnerability Mgmt @ Henkel AG & Co. KGaA https://t.co/NC1orlKZLB Posting content that I find interesting.
[NN2ed] s4ur0n @NN2ed_s4ur0n
9K Followers 1K Following 0x0F0EAB28 · Security Researcher & Teacher · Offensive Security · Malware · Reversing · All my opinions are belong to me
Jake Williams @MalwareJake
149K Followers 2K Following Breaker of software | VP R&D @hunterstrategy | CTI/DFIR | @ians_security faculty | Bookings: jake at malwarejake dot com | GSE #150 | He/him
DragonJAR - Seguridad... @DragonJAR
254K Followers 3K Following Al 👉 seguirnos, te compartiremos información de calidad sobre #Hacking, Somos una empresa 🐲 👇 Colombiana de servicios en #SeguridadInformática
hackplayers @hackplayers
55K Followers 1K Following Hacking ético e in-seguridad informática: it's time to play!
Florian Hansemann @CyberWarship
88K Followers 46 Following Father, Founder @HanseSecure, Pentesting, Student, ExploitDev, Redteaming, InfoSec & CyberCyber; -- Mastodon: https://t.co/KFSKYUN98M
Cristian Borghello @SeguInfo
38K Followers 7 Following Lic. Cristian Borghello CISSP-CCSK-CSFPC - Director de Segu-Info, ODILA, Segu-Kids y Antiphishing-la - Educación y Consultoría en Seguridad de la Información
Sí, soy yo @nuria_imeq
9K Followers 2K Following Security Analyst. Euskal Herria, ama lur. Beguina. Athleticzale. Euskadi Euskaldun ♀️🏳️🌈 🇪🇺
Volodymyr Styran 🇺... @arunninghacker
3K Followers 46 Following That cybersecurity guy from Ukraine. Opinions are my own.
malware Owl @malware_owl
1K Followers 325 Following Entered the world of Malware (◎▼◎) since Aug '22. Opinions expressed are my own and not those of my employer. Security Researcher @ Kaspersky GReAT
ClaudeDevs @ClaudeDevs
465K Followers 3 Following Official updates for developers building with @ClaudeAI
Demis Hassabis @demishassabis
1.1M Followers 172 Following Nobel Laureate. Co-Founder & CEO @GoogleDeepMind - working on AGI. Solving disease @IsomorphicLabs. Trying to understand the fundamental nature of reality.
Riley Goodside @goodside
210K Followers 3K Following Screenshots of chatbots since 2022. Formerly: Google DeepMind, Scale.
Simon Willison @simonw
189K Followers 6K Following Creator @datasetteproj, co-creator Django. PSF board. Hangs out with @natbat. He/Him. Mastodon: https://t.co/t0MrmnJW0K Bsky: https://t.co/OnWIyhX4CH
Yann LeCun @ylecun
1.2M Followers 788 Following Professor at NYU & Executive Chairman at AMI Labs. Ex-Chief AI Scientist at Meta. Researcher in AI, Machine Learning, Robotics, etc. ACM Turing Award Laureate.
François Chollet @fchollet
692K Followers 826 Following Co-founder @ndea. Co-founder @arcprize. Creator of Keras and ARC-AGI. Author of 'Deep Learning with Python'.
AI Slop @AIslop_
126K Followers 7 Following $AiSlop CA: 2wzVMXhLypmP92mXNCq4fuFcd9TCC972AbMfuiH3pump
A Cambridge Diary @acambridgediary
77K Followers 85 Following The original Cambridge Diary. 5,000 continuous daily pictures of Cambridge curated into a trilogy of photographic love letters https://t.co/l30mAx0Yd6
Adam Back @adam3us
867K Followers 2K Following cypherpunk, cryptographer, privacy/ecash, inventor hashcash (Bitcoin mining) PhD Comp Sci. Co-Founder/CEO https://t.co/CysB3cs7Pp & Co-Founder/CEO @bstrco
watchTowr @watchtowrcyber
12K Followers 12 Following watchTowr enables organizations to get ahead of in-the-wild exploitation with Preemptive Exposure Management technology.
Dave Morin 🦞 @davemorin
468K Followers 4K Following Founder @OfflineVentures @Slow @Path • Chairman @Esalen • Board @OpenClaw • Early @Apple @Facebook • Podcast @MoreOrLessPod • Skier • Dad of 3
Catalina Gómez Ánge... @catapluma
34K Followers 3K Following Periodista/Journalist. Corresponsal en Iran y Oriente Medio. Ahora paso parte del tiempo en Ucrania. @France24_es @LaVanguardia @rfi_Es
Peter McCrory @PeterMcCrory
45K Followers 432 Following Head of Economics at Anthropic. Views are my own.
Frederik Pleitgen @fpleitgenCNN
335K Followers 4K Following CNN Senior International Correspondent and Anchor
Max Schwarzer @max_a_schwarzer
23K Followers 315 Following Doing RL @AnthropicAI. Formerly VP of Research, Head of Post-Training @OpenAI. PhD with Aaron Courville and Marc Bellmare at Mila.
Polymarket @Polymarket
1.6M Followers 6K Following The World's Largest Prediction Market. Trade politics, news, crypto, culture, sports, tech, & more. Discord: https://t.co/tzKrbDfF3x
gCaptain @gCaptain
96K Followers 2K Following The world's top-visited maritime news website. Founded in 2007 by @JohnKonrad Editor-In-Chief @MikeSchuler https://t.co/67rqS4lDzQ
Hieu Pham @hyhieu226
46K Followers 23 Following Something new 🇻🇳 | ex: @openai, @xai, @augmentcode, @GoogleBrain, @LTIatCMU, @Stanford, ACM ICPC, IMO🥈 Opinions are my own.
Claude @claudeai
1.4M Followers 2 Following Claude is an AI assistant built by @anthropicai to be safe, accurate, and secure. Talk to Claude on https://t.co/ZhTwG8d1e5 or download the app.
Jesse Genet @jessegenet
57K Followers 2K Following Startup builder (prev @lumi) turned family builder, currently vibe coding on my breaks from homeschooling four tots
OpenClaw🦞 @openclaw
539K Followers 24 Following The AI that does things. Emails, calendar, home automation, from your favorite chat app. Your machine, your rules. New shell, same lobster soul. 🦞
mrinank @MrinankSharma
40K Followers 565 Following poet // researcher may we each follow our threads everything has to do with loving and not loving -rumi
moltbook @moltbook
243K Followers 3 Following Where openclaw bots, clawdbots, and AI agents of any kind hang out. The front page of the agent internet. Made with @MattPRD 🦞
Peter Steinberger �... @steipete
533K Followers 2K Following Polyagentmorous ClawFather. Came back from retirement to mess with AI and help a lobster take over the world. @OpenClaw🦞 + @OpenAI
Andy Swift @SwiftSecur1
1K Followers 285 Following Security Researcher and Technical Director of Offensive Security at @6degreesgroup | Red Team | Penetration Testing | Reversing | DFIR | Views are my own.
Eli Woodward @ElijahWoodward9
251 Followers 202 Following I play bagpipes, and I threat hunt. That's what I do.
Pentagon Pizza Report @PenPizzaReport
387K Followers 89 Following Pentagon Pizza Report: Open-source tracking of pizza spot activity around the Pentagon (and other places). Frequent-ish updates on where the lines are long.
GangExposed RU @GangExposed_RU
7K Followers 90 Following Cybercrime investigator | Exclusive leaks on $10M bounty targets
Peter Girnus 🦅 @gothburz
191K Followers 587 Following The Cyber Populist | Hacker. Writer. Heretic. | Reverse engineering narratives, systems, and power. Holding the pen.
Richard Jernigan @Lertulo
945 Followers 85 Following Computer programmer, martial artist, chess player, Esperantist, robotics enthusiast, married father of 3. Not necessarily in that order.
chals @chalsarboleya
3K Followers 692 Following Ex-founder. Helping startups turn founder-led GTM into repeatable growth. Writing about GTM, AI & startups.
MatheuZ @MatheuzSecurity
2K Followers 362 Following Red Team Operator, Cyber Threat Intelligence, Malware Researcher
gum3t @gum3t
144 Followers 301 Following PPCC✊ | Security researcher and ctf player. Low level stuff. @[email protected]
Carlota Palma @PalmaCarlota
10K Followers 595 Following 🎾 Información sobre el mundo del pádel | Recopilo entrevistas a jugadores profesionales, datos, estadísticas y curiosidades sobre nuestro deporte
Henrick Johansson @compliantvc
490K Followers 252 Following European VC in USA | Author of 'European Dynamism' | Investing in compliant startups | Advisor @compai | Managing Partner @ Compliant Capital
MJTruthUltra @MJTruthUltra
642K Followers 4K Following Watchdog, News Clipper, Researcher, Humor Specialist Unshakable Faith








































