Pedro Umbelino @kripthor
rural hacker. nfcdripper. hardware maker. software breaker. Portugal Joined November 2008-
Tweets2K
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Followers1K
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Following728
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Likes3K
I've analysed our scan data for ICS/OT for 2024. I'm increasingly convinced that the ISPs are going to have to play a role in helping fix this, before something really serious happens. I'm happy to discuss this further. bitsight.com/blog/the-growi…
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I'm just gonna drop this here. cisa.gov/news-events/ic…
Pedro Umbelino retweeted
Soon Volkswagen will encounter the final boss: hardware nerds. They gotta try to stop mfers who play Doom on toasters and shit. Good luck
Yesterday was ribs for dinner. Thanks for the sauce my friend! ;)
5 stages of vulnerability denial. linkedin.com/posts/pedroumb…
Pedro Umbelino retweeted
🚨 Alert! Early B^Crow tickets for #BSidesLisbon2025 drop Wed, July 23 @ 12:00 (GMT/UTC+1) here 👉 bsideslisbon.eventbrite.com This year: 2 full days, meals with co-pay to reduce waste, and the Supporter Ticket (incl. hoodie) is back! Check out the image for more info.
Pedro Umbelino retweeted
🚀 LIVE at #CriticalEffectDC: Kicking off the conference with @joshcorman, @craignewmark announced $3.2 million in funding across two years to accelerate #CyberCivilDefense Initiative #UnDisruptable27! ➡️ Learn more: prnewswire.com/news-releases/…
If anyone I know is going to #criticaleffectdc and can bring me a LoRa 915mhz SMA male antenna, it would be great :)
Pedro Umbelino retweeted
🚀 NEW #CriticalEffectDC talk! "Blowing up gas stations for fun and profit" 🛠️ Track III: Tactical Mastery @Bitsight Principal Researcher Pedro Umbelino talks automated tank gauging systems & the zero-day vunerbailities that can expose them to catastrophic risks. ➡️ Register now:…
Pedro Umbelino retweeted
Cracking the Crackers Reversing the TNT team macOS crack library to understand if there is malware due to patching of pro-Ukraine support messages. With deobfuscators and dumper tools pushed to Github. Have fun :-] reverse.put.as/2025/03/13/cra…
Do I know anyone at @VeederRoot? Or someone that knows someone? I need to talk to someone there that 'speaks' cybersecurity.
My many thanks to @campuscodi and @riskydotbiz to bring much needed attention to the Epochalypse Project! I just want to clarify it is a community project that could not exist without the tireless efforts of @treyka, talking about it, from a coffee table to security conferences,…
A random stickers appears... Y2K survivor, Y2K38 prepper.
Hey folks, I've been working on something. Y2038. Something that the more I learn, the more I get concerned. The sheer size of the task is absolutely daunting. We will need all hands on deck for this one. Please take a read, join in if it ressonates. epochalypse-project.org
Pedro Umbelino retweeted
Reminder that the Phrack 72 CFP closes APRIL 1ST 2025. Get your papers in and come be a part of our fabulous 40th anniversary issue! See phrack.org for more info
André Baptista @0xacb
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KiTchiNotchi @kitchinotchi
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Ange @angealbertini
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Rui Tomé @rtome_
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Samantha iS 🇬🇧�... @dorkingbeauty1
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ergoproxy @_erg0sum
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∞ @infenet
5K Followers 4K Following 20+ years ago I wrote code in BASIC👴🏽. iOS reverse engineering pays the bills👨🏽💻. Addicted to fuzzing🍀. Perfecting my craft👨🏽🔬.
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Jonathan Eddy @jmeddy42
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okay @musicncode
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صفر الزمن @non___existen
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Ju Felix 🏳️�... @juh_felix
979 Followers 3K Following #Mestredetorra e #yogini ☕️ Compre Café artesanal de Pequenos Produtores. 🚀 Envio para todo BR #BebaCaféBão, peça o seu no link👇
Tomás F. @tomasx00
1 Followers 38 Following
Foulbazar @Foolbazar
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99% safe AI, @shutdowntheai
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c̸͕͂͂a̷͔̗͐r̴... @caretak8r
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blu3m0rph0 @blu3m0rph0
23 Followers 134 Following Good day, citizen. I am a hacker by night, and a law-abiding Everyday Joe by day. I'm definitely not The Monarch.
seaking @seakingvalhalla
181 Followers 1K Following Fuel truck driver for Nelson Reisner. Hobbies include hacking, hunting, fishing. Patriot USA! Christian, Catholic.
Kenza | ⴽⴻⵏⵣ�... @Tr3s0r
2K Followers 4K Following Procrastinator in chief. Talks about CS security sometimes. @TheTr3s0r is my account for mutuals only @[email protected] sec+, cisa+, BTL1 she/her/هي
Dinohacks @nhegde610
594 Followers 2K Following Researcher. Malware Analyst. Part time threat hunter. Part time blogger and passing interest in AI
sushi com abacate @sushicomabacate
9K Followers 1K Following - Severino na #bolhasec - Ex Javinha/Python - Mestre e doutorando em cyber - Siga a @BolhaSec
José C @ratomacaco82
19 Followers 467 Following Its all about the data! OSINT and cyber threats enthusiastic
J⩜⃝mie Williams @jamieantisocial
10K Followers 7K Following threats && stuff || #UNC1799 forever 🤘|| @DistrictHeather ♥️ + 🍷 **𝚅𝚒𝚎𝚠𝚜 𝚎𝚡𝚙𝚛𝚎𝚜𝚜𝚎𝚍 𝚊𝚛𝚎 𝚖𝚈 օ𝚠𝚗**
raiden @Raiden8762
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6@br13l @_6ab_
23 Followers 532 Following
vx-underground @vxunderground
377K Followers 294 Following The largest collection of malware source code, samples, and papers on the internet. Password: infected
André Baptista @0xacb
17K Followers 784 Following Hacker grinding for L1gh7 and Fr33dφm, straight outta the cosmic realm. Co-founder @ethiack
Ben Sadeghipour @NahamSec
235K Followers 1K Following Cofounder @hackinghub_io | Advisor @CaidoIO. I hack companies and make content about it. #NahamCon organizer. ex @hacker0x01🇮🇷
LiveOverflow 🔴 @LiveOverflow
156K Followers 1K Following wannabe hacker... he/him 🌱 grow your hacking skills @hextreeio
Celso Martinho @celso
9K Followers 5 Following 👶 From when Mosaic took over Gopher. 🏢 Sr Engineering Director @cloudflare 🦋 https://t.co/Ymq10xTUbm
Florian Roth ⚡️ @cyb3rops
207K 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
chompie @chompie1337
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cts🌸 @gf_256
61K Followers 838 Following Co-founder and hacker @zellic_io & @pb_ctf | https://t.co/nlNai6iiMP | 24 Intern @egirl_capital slow to reply to DMs
Daniel Cuthbert @dcuthbert
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SwiftOnSecurity @SwiftOnSecurity
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morisson @morisson
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fG! @osxreverser
12K Followers 791 Following Know a thing or two about Reverse Engineering and Economics. Love 911s with three pedals and natural aspirated engines.
Łukasz @maldr0id
12K Followers 956 Following Military-grade @Android malware reverse engineer @Google || "Tom Brady of malware strings analysis" - @MalwareTech || Tweets are my own opinions || he/him ✨🌈🦄
Justin Elze @HackingLZ
65K Followers 5K Following CTO @TrustedSec | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
briankrebs @briankrebs
332K Followers 2K Following Independent investigative journalist. Author of 'Spam Nation,' a NYT bestseller. Former Washington Post reporter. Mastodon: https://t.co/fTKNavlMwp
BSidesLisbon @Bsideslisbon
2K Followers 118 Following Portugal’s premier technical information security conference - 13-14 November 2025, Auditorio FMD-UL, Lisbon, Portugal @[email protected]
Jack Rhysider 🏴... @JackRhysider
165K Followers 4K Following Creator of @DarknetDiaries. Tell me a good hacker story. 💻🔦⤵️🐰🕳️ Discord: https://t.co/qxanMuJ5X2
JS0N Haddix @Jhaddix
167K Followers 7K Following CEO, CISO, Trainer, Hacker, and Speaker. Cybersecurity + Hacking + AI + Sec Leadership @arcanuminfosec
L͉̰̥̤G͋̔̄͗̃�... @lghmctf
1K Followers 4K Following Team Telecom Paris School Association loi 1901 de jeu #CTF Capture The Flag #RedTeam #Hackers #CEH #Pentest #Infosec #Cybersecurity #Ethicalhacking #hacking
DobbyWanKenobi @dobby1kenobi
780 Followers 1K Following Hacker in the ICS space | My own tweets | Protecting Muggles from unforseen cyber attacks 👨🏻💻 My display picture was created by: @The_Baptman
Natalie Silvanovich @natashenka
45K Followers 2K Following Tamagotchi Hacker. Google Project Zero. She/her.
Shodan @shodanhq
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Ramin Nafisi @MalwareRE
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Virus Bulletin @virusbtn
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ergoproxy @_erg0sum
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cyber-ipman @Cyberipman
887 Followers 342 Following Girl dad | Aerospace Security Engineer/RMF Analyst | Windows/Linux tryhard | Infinite conquest of learning | OSRS lifelong nerd
Kenza | ⴽⴻⵏⵣ�... @Tr3s0r
2K Followers 4K Following Procrastinator in chief. Talks about CS security sometimes. @TheTr3s0r is my account for mutuals only @[email protected] sec+, cisa+, BTL1 she/her/هي
Higinio “w0rmer” ... @0x686967
6K Followers 4K Following Father ×3 | Full-Spectrum Operator (Offense/Defense) | Web & Network Intrusions + Fortifications | @w0rmer.bsky.social | HW Killer | Stack Ghost
Samantha iS 🇬🇧�... @dorkingbeauty1
2K Followers 1K Following IAM Gov Spy - If you cant see it, it doesn't exist right? Wrong it's right in front of your eye's. To see it one needs visibility! #RootofTrust #Firmware
∞ @infenet
5K Followers 4K Following 20+ years ago I wrote code in BASIC👴🏽. iOS reverse engineering pays the bills👨🏽💻. Addicted to fuzzing🍀. Perfecting my craft👨🏽🔬.
GhostPwner @ghostpwner
240 Followers 493 Following AppSec Engineer | Security Researcher | CTF Player
hackerfantastic.x @hackerfantastic
104K Followers 5K Following Co-Founder @myhackerhouse. Cybersecurity & #Web3. Hands-on Hacking (ISBN 9781119561453). Offensive Lua. Christ's Red Team. ✝️
sushi com abacate @sushicomabacate
9K Followers 1K Following - Severino na #bolhasec - Ex Javinha/Python - Mestre e doutorando em cyber - Siga a @BolhaSec
J⩜⃝mie Williams @jamieantisocial
10K Followers 7K Following threats && stuff || #UNC1799 forever 🤘|| @DistrictHeather ♥️ + 🍷 **𝚅𝚒𝚎𝚠𝚜 𝚎𝚡𝚙𝚛𝚎𝚜𝚜𝚎𝚍 𝚊𝚛𝚎 𝚖𝚈 օ𝚠𝚗**
Rui Reis @capitaoganch0
60 Followers 202 Following I like Brazilian Jiu-Jitsu and Yoga. I love Sun, Beach, Sea, Palms and Açaí. Currently living the BJJ lifestyle. Purple Belt. 2x European Champion.
paymentvillage @paymentvillage
1K Followers 36 Following We are the Payment Village. DEF CON 33 Here we come!
BSidesPorto @bsidesporto
250 Followers 43 Following Where hackers, InfoSec minds, and the Portuguese cybersecurity community connect, evolve, and grow together.
Dale Peterson @digitalbond
7K Followers 278 Following Dale Peterson, founder of Digital Bond and S4 Events. Writing and speaking on ICS/SCADA Security for 15+ years. Push & prod the community forward.
craig newmark @craignewmark
89K Followers 5K Following craigslist founder & CSR, not management since 2000, https://t.co/MgiGNQGJ9H
Institute for Securit... @IST_org
5K Followers 2K Following We are the 501(c)(3) critical action think tank that unites technology and policy leaders to create solutions to emerging security challenges.
Bryson 🦄 @brysonbort
19K Followers 496 Following 🦄 @scythe_io @grimmcyber, Sr Advisor @IST_Org, NatSec Inst Sr Fellow, Co-Fdr @ICS_Village, @c2_matrix co-creator, USMA Science Board, Angel Investor, US Army
BleepingComputer @BleepinComputer
241K Followers 202 Following Breaking cybersecurity and technology news, guides, and tutorials that help you get the most from your computer. DMs are open, so send us those tips!
TEAM CYMRU @teamcymru
41K Followers 187 Following We provide digital business risk platforms and community services. Since 2005, our reputation has remained unchallenged Check out our research @teamcymru_S2!
Have I Been Pwned @haveibeenpwned
168K Followers 1 Following Check if you have an email address or password that has been compromised in a data breach. Created and maintained by @troyhunt.
Ars Technica @arstechnica
1.2M Followers 1K Following Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
The Register @TheRegister
101K Followers 47 Following Enterprise technology news and views, on the web since 1998. Part of the @SitPub family. Send news tips via https://t.co/UTSGHfn6hq
[email protected]... @christogrozev
544K Followers 1K Following Investigative journalist (Spiegel, The Insider, ex-Bellingcat), film maker and hobby coder. https://t.co/3kUwYLHXoL
Chris Kubecka 🇵�... @SecEvangelism
21K Followers 4K Following Established security after Shamoon cyberwar attack against @Saudi_Aramco, author, veteran @AFSpace @DarknetDiaries #30 former @MiddleEastInst
nuno almeida @_nunoalmeida_
326 Followers 1K Following https://t.co/XAm7rpp1qN cyber and physical security, RFID, coffee, bourbon • married to @annie_power • @Hack_South • @BSidesCapeTown
Nuno Vidal @zbx747
109 Followers 617 Following Sempre disse que podia acontecer alguma coisa, podes escrever com vontade de explicar; Obrigado!
Matthew Prince 🌥 @eastdakota
116K Followers 316 Following A little bit geek, wonk, and nerd. Repeat entrepreneur, recovering lawyer, and former ski instructor. Co-founder & CEO of Cloudflare (NYSE: NET).
Veeder-Root @VeederRoot
2K Followers 386 Following Veeder-Root is a leading supplier of automatic tank gauging, hanging hardware, and fuel management solutions. Contact: [email protected].
Risky Business® Medi... @riskydotbiz
2K Followers 4 Following The official account of Risky Business® Media, publishing cybersecurity podcasts and newsletters since 2007... Publisher/abuse: Patrick Gray (@riskybusiness)
Julian Cohen @HockeyInJune
6K Followers 1K Following CISO Ex-vulnerability researcher. Ex-CTF organizer. he/him
Geekenspiel @geekenspiel
4K Followers 72 Following Maker of retro-themed stickers, badges and flair. 🤓
CPU Duke @duke_cpu
9K Followers 286 Following CPU collector and enthusiast. Microscopy of vintage microelectronics, x86 and more. Please visit also my Instagram, TikTok, and YouTube channel for more…
Traceix @usetraceix
17K Followers 416 Following Look up AI file classifications and ML training data by hash | Discord: https://t.co/jcZBvfLgsE | Product of Revix Labs LLC
FCCN @fccnpt
2K Followers 324 Following Unidade da FCT que contribui para o desenvolvimento da Ciência, Tecnologia e Conhecimento, através de conectividade e serviços TI para o Ensino e Investigação.
alanna okun @alanna
17K Followers 2K Following not here much anymore // i write books and make games and knit sweaters
Pedro Deryckere @AksPedro
405 Followers 289 Following Centre for Cyber security Belgium (CCB) Head of CCB/CyTRIS
Reza Ghazinouri Ⓥ @GhazinouriEN
453 Followers 512 Following Advocate for rights of human & non-human animalsⓋ فارسی @ghazinouri Opinions my own (seriously)Trends for United States
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