Jonathan Jogenfors @Jogenfors
AppSec at Fortify/Debricked. Immich contributor. Tweets are my own. PhD in hacking quantum cryptography Jönköping, Sweden Joined January 2014-
Tweets12K
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Fun to have contributed a small part of this release :)
Fun to have contributed a small part of this release :)
I am grateful to His Majesty King Carl XVI Gustaf of Sweden, to Sweden and to the Swedish people for their unwavering solidarity with Ukraine. We highly value Sweden’s substantial military, humanitarian, and financial assistance, all of which helps save Ukrainian lives. This…
"single handedly"
> check in at hotel > receptionist asks what I’m in town for > tell her DEF CON > she says “oh management told me to tell attendees to stay away from the elevator” > I chuckle in response, grab my stuff and go to my room > mfw someone has a shell on the rpi running the screen
"it's better because I'm used to it"
"it's better because I'm used to it"
Anyone thinking it'll be only 20% more is delusional
Anyone thinking it'll be only 20% more is delusional
Turns out you can just hack any train in the USA and take control over the brakes. This is CVE-2025-1727 and it took me 12 years to get this published. This vulnerability is still not patched. Here's the story:
Turns out you can just hack any train in the USA and take control over the brakes. This is CVE-2025-1727 and it took me 12 years to get this published. This vulnerability is still not patched. Here's the story:
Har haft inbrott. Larmet har gått och den maskerade gärningsmannen har fångats på kamerorna. Nu vägrar @verisuresverige lämna ut bilderna till mig med hänvisning till GDPR. Mina kameror har tagit bilder inne i mitt hus. Jag hävdar att Verisure är ute och cyklar.
Body double
It's looking for its egg
Stora problem på Länsförsäkringar idag. Varför kör man inte driftinformation på en separat site? Inte ens den sidan funkar
Good morning. I hope nothing happened while I was asleep
Today I published my dissertation on combat cohesion in #Ukraine. Focalizing Warfighters - Combat Cohesion from Below. If you are interested in the realities of Ukrainian warfighters, modern warfare, or ethnography. This is for you. fhs.diva-portal.org/smash/get/diva…
Solutions consultant hearing the account manager selling a feature that doesn't exist

Eric Wall @ercwl
168K Followers 5K Following troll-demon @taprootwizards, board @starknetfndn, gmeow @quantumcatsxyz, ex-business partner of @
Leif Nixon 🌻 @leifnixon
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Hans Moog @hus_qy
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Neeraj K. Agrawal @NeerajKA
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Ridefixer @Ride_fixer
30K Followers 1K Following Åklagare/Swedish Public Prosecutor. Anonym med hänv. till säkerhet+innehåll har företräde före person. Privata åsikter. Öppen DM! Finns på insta/threads/bluesky
Patrik Oksanen @patrikoksanen
34K Followers 9K Following Columnist. Author. Lecturer. Senior fellow @freeworldforum & member of @KKrVA_Sverige & @Orlogsman Ludicrous says Lavrov, no coldblooded say PRC. A new book 👇
Linus Larsson @LinusLarsson
8K Followers 2K Following Techredaktör Dagens Nyheter, böcker på Norstedts. Bluesky: https://t.co/oxjcJNrQOJ Threads: https://t.co/BJDXmVugsK
David Bergman @David_M_Bergman
21K Followers 3K Following Officer i armén & doktor i psykologi. Månskensförfattare. Ledamot Kungl Krigsvetenskapsakademien. Twittrar privat
Christian Landgren �... @Landgren
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John Sporrong @postsjuan
7K Followers 888 Following Före detta yrkesknekt, numera statsvetare. Jobbar med civilt försvar i kommun. Konservativ, bitvis reaktionär. Jägare och/eller skytt.
Kim Hakkarainen @kimhak
3K Followers 935 Following Konsult och senior rådgivare inom säkerhetsskydd hos https://t.co/v5R9leyhEC.
Andreas Wallraff @AndreasAtETH
39K Followers 8K Following Research and education in #physics with a focus on #quantum #computing, #communication and #sensing with team @qudev @ETH_en. Director of the @ETHQuantumCntr.
Matthew Green is on B... @matthew_d_green
150K Followers 1K Following I teach cryptography at Johns Hopkins. Mostly on BlueSky these days at https://t.co/GI4QlxZr2S.
Anne-Marie Eklund Lö... @amelsec
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Karl Emil Nikka @KarlEmilNikka
3K Followers 1K Following Årets säkerhetsprofil 2021 – Founder of @nikkasystemsSE/cyber security geek. Media: +46735181000 (Signal).
Christer Sfeirكري�... @ChristerSfeir
29K Followers 852 Following Building bridges between cultures. (Private account)
Robert Malmgren @mitt_nya_nym
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Daniel Cuthbert @dcuthbert
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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
IOTA News @iotatokennews
32K Followers 13K Following News about IOTA - An open, feeless data and value transfer protocol. IOTA provides digital trust, enabling us to build a better world. Unofficial account.
Daisy Barnes @b5z0saf72VbLA
4 Followers 407 Following Over 30% monthly potential | 2 high-confidence US stock picks. Join free for real-time entries/exits and risk levels. @nahuel321rojas
Adalynn Peterson @3Y7EIS84guXG7J
0 Followers 230 Following 30%+ growth goal | 2 high-conviction US setups. Join for live trade plans and watchlist updates. @nahuel321rojas
alinamakova @alinamakova459
331 Followers 7K Following We fight for freedom till the end of our breath
Sofia Danilo @danilosofia61
770 Followers 5K Following Combat war🫡 Я український воїн, ми захищаємо наших матерів, дружин, дітей і весь світ свободи💛💙🙏 official of the Armed force Ukraine🏹
MartinaHarrington @3RqjqIAwE1Hse90
20 Followers 687 Following
Carl Luo @mdluo
218 Followers 3K Following Last gen coder. TypeScript and CloudNativePG enjoyer. Tech is not only about LLM and frontend.
Liora R. Herman @tzionit411
960 Followers 3K Following All opinions are my own unless I borrowed them from someone else. Founder & Queen of Details @AppSec_Village Head of Field/Channel Marketing, EMEA @Penterasec
Edward Jones @EdwardJone2499
73 Followers 277 Following
abdelmoumene @045213314rlm
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Omar Seifelnasr @zkp0mar
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HALİL DEMİR @halil632702
57 Followers 1K Following ben yıllar önce Şanlıurfa da doğdum... Koyu bir İbrahim TATLISES hayranıyım...Toni Vakkuri @vakkuri_t
43 Followers 369 Following IT architect and infosec officer. Icehockey and motorsports fanatic. Former hockey player and a proud father of two wonderful kids.
Security Fest @securityfest
2K Followers 94 Following Security Fest is an annual, technical IT security conference. https://t.co/vXFwaKE0TM
Aerocool3t @aerocool3t
1 Followers 111 Following
Jordi Herrera @joancomarti
1K Followers 461 Following Catedràtic a la UAB. Interessat en la criptografia, criptomonedes, blockchain i infinitat de coses més....
Catalin Sarafoleanu @CSarafoleanu
325 Followers 5K Following Interested in scaling distributed systems and protocols, from MPLS/IP Networks to Blockchain based eco-systems, Lightning, sharding and Proof of stake.
Heidi @NTrantow30666
48 Followers 2K Following
joostlek @joostlek
187 Followers 1K Following Developer Relations @ @home_assistant/@openhomefndn Making homes smart and open 🏠
dhkvylm @dhkvylmk
910 Followers 7K Following
Bhoorelal @Bhoorelallives
78 Followers 190 Following Retired MAJOR retard. Process is the key to becoming a compulsive gambler
Kenie @Kenie6055
62 Followers 3K Following
Daniel Oakley @DeeOakster
608 Followers 636 Following Cybersecurity professional, and family man. I build corporate security programs to keep me sane. Tip: A healthy brain is one free of politics in all its forms.
David Waizer @dwaizer
263 Followers 2K Following
Lucy R. Fisher @richmondie
3K Followers 4K Following Writer, editor, proofreader, singer, artist. Books here: https://t.co/drrwFldDNg https://t.co/RgKFUMlRTs
Joy White @EsteeMina98261
7 Followers 570 Following Prof. Robert's team offers cryptocurrency analysis, earn $500 to $5,000 per day, click to join WS:https://t.co/8JdXCX9sLU
magnetic rose @IntelRoose
254 Followers 3K Following
Rearte @ReartefYJRC3S
44 Followers 1K Following
Michael Gorlich @gorlich_michael
1K Followers 5K Following 🔑 Entrepreneur • Consultant • Investor 🦁 Leader • Mentor • Catalyst 🗺 42 Countries📍 ⏬🔥🔥⏬🇺🇸🇬🇧🇩🇪🇧🇷🇨🇴🇳🇴🇮🇹
Theighr @TheighreMaUl
94 Followers 3K Following
Anna @KaleighM58839
3 Followers 159 Following
FELIX @felixle26631730
356 Followers 1K Following
Anil 🪐🌷 @1sqre
98 Followers 475 Following flipping the the way talent economy works @invr_ai // prev. @iitgn @monacofoundry
ergoproxy @_erg0sum
2K Followers 2K Following 16 year old whimsical wizard, hacker and part time fintech phantom. Red Team & Bug Bounty. CPTS,CRTP | Views are my own. Not affiliated with my employer.
Brimmeybr @BrimmeybrgnOJu
48 Followers 3K Following
NydiaHouse @o42VA54y0JJAIz
67 Followers 7K Following
RegYMM レジム @regymm0
3K Followers 591 Following Post-undergrad, FPGA, hardware, osdev. https://t.co/iTO6Xq1QDB :Take my boards home! Delightful in darkness, delicious in dungeon @[email protected]
Pinar Anapa @pinaranapaa
242 Followers 3K Following Executive vice President Of People Culture In AKBANK T.A.S
Smith nnabelle @NnabelleSm83647
4 Followers 258 Following
Mubashir 🇸🇪 @Mubashir_SE
1K Followers 3K Following I allt väsentligt muslim och småbarnspappa. Svenskpunjabier och göteborgare i exil. Memento mori före carpe diem. Father, Swedish Punjabi, born in Gothenburg.
Agnes @haketaasuk9689
80 Followers 7K Following
Lars Wilderäng @Cornubot
82K Followers 1K Following Prisbelönt bästsäljande författare och bloggare. Award-winning bestselling author and blogger.
Eric Wall @ercwl
168K Followers 5K Following troll-demon @taprootwizards, board @starknetfndn, gmeow @quantumcatsxyz, ex-business partner of @
Oscar Jonsson @OAJonsson
51K Followers 472 Following All things Russia, international security, old literature & new tech. Author. PhD from @warstudies.
Leif Nixon 🌻 @leifnixon
3K Followers 719 Following I aim to misbehave. Preferred pronoun: whom. Ahforgetit tendency. 73% integrated. @[email protected]
YB Södermalm @YB_Sodermalm
212K Followers 527 Following Viktor Adolphson arbetar och twittrar som områdespolis på Södermalm, samt som yttre befäl inom utryckningsverksamheten på Södermalm. Officiellt konto.
Ridefixer @Ride_fixer
30K Followers 1K Following Åklagare/Swedish Public Prosecutor. Anonym med hänv. till säkerhet+innehåll har företräde före person. Privata åsikter. Öppen DM! Finns på insta/threads/bluesky
Jägarchefen @Jagarchefen
34K Followers 96 Following Politiskt obunden fokus på händelseutvecklingar i vårt närområde som kan påverka Sverige. Msc. Aktiv på https://t.co/5JHQrGvqrd
Patrik Oksanen @patrikoksanen
34K Followers 9K Following Columnist. Author. Lecturer. Senior fellow @freeworldforum & member of @KKrVA_Sverige & @Orlogsman Ludicrous says Lavrov, no coldblooded say PRC. A new book 👇
Linus Larsson @LinusLarsson
8K Followers 2K Following Techredaktör Dagens Nyheter, böcker på Norstedts. Bluesky: https://t.co/oxjcJNrQOJ Threads: https://t.co/BJDXmVugsK
David Bergman @David_M_Bergman
21K Followers 3K Following Officer i armén & doktor i psykologi. Månskensförfattare. Ledamot Kungl Krigsvetenskapsakademien. Twittrar privat
Take Aanstoot 📎 @storklompen
4K Followers 3K Following https://t.co/2XfMj8Vxy8 Board @ekomodernism and @weplanetint. Grundare @BlagulaBilen #SlavaUkraini Ecomodernist, Anti-racist, SJW LGBT-ally, asd.
Johan Ingerö Alias �... @JohanIngero
44K Followers 1K Following Gillar mörk musik och ljusa årstider. Vandrar längs livets stig tillsammans med @mariahindalias. Seniorkonsult på The Labyrinth och skribent i GP och Fokus.
Christian Landgren �... @Landgren
5K Followers 2K Following Co-founder Berget AI, Iteam. Futurist, speaker, programmer, father. Co-founder of Öppna skolplattformen. https://t.co/aG5Fa2Oikk
Mikael Grev @mikaelgrev
22K Followers 555 Following Gripen pilot (ex. 17 years) - CEO @AvioniqAB - Air combat entrepreneur - Coding since the age of 10 - Politically unbound - Member of https://t.co/2pJsEx3qHw
Magnus Ranstorp @MagnusRanstorp
112K Followers 4K Following Terrorism expert since 1990. Vice Chair of @NordicSafeCity. Columnist @SvDledare Member Swedish Royal Academy of War Sciences All views expressed are personal
Wiseman @wisemanswisdoms
44K Followers 1K Following Tweeting about Swedish defence and security policy. Politically independent. Member of the Royal Society of Naval Sciences & the Royal Academy of War Sciences.
Richard Herrey @RichardHerrey
71K Followers 4K Following Lyckofigur - Programledare i Radio. f.d.Riksdagsman och .. Eurovisionvinnare från vinylåldern.
Johan Wiktorin 🌻 @forsvarsakerhet
30K Followers 97 Following Intelligence & Security Advisor, Co-founder INTIL, OSINT specialist, Fellow Royal Academy of War Sciences, Private account and positions.
Carl-Oskar Bohlin @CarlOskar
49K Followers 1K Following Sveriges minister för civilt försvar / Swedish minister for civil defence.
Craig Rowland - Agent... @CraigHRowland
11K Followers 316 Following Agentless Linux security. No endpoint agents and no drama. Linux malware, forensics, intrusion detection, and hacking. Founder @SandflySecurity.
Fernando Fernandez @FinFerFer
124 Followers 343 Following IT, Security, Domain Driven Design, Stocks.
People Selling Mirror... @SellingAMirror
215K Followers 793 Following Sometimes when people sell mirrors online, they can't figure out how to get out of the way. Now mainly on Bluesky.
Liora R. Herman @tzionit411
960 Followers 3K Following All opinions are my own unless I borrowed them from someone else. Founder & Queen of Details @AppSec_Village Head of Field/Channel Marketing, EMEA @Penterasec
John Shedletsky @Shedletsky
247K Followers 1K Following idiot savant choose one follow to read bangers https://t.co/MeJcB4AS9J
Immich @immichapp
349 Followers 1 Following
rekdt @rekdt
11K Followers 716 Following // principal cybersecurity anarchist // unethical hacker // ex aws, wn, else // @redteamvillage_ & @sec_defcon daemon // take sincerely at your own risk
Mactelecom Networks @MactelecomN
8K Followers 197 Following Links for my Social media, YouTube and website below in my beacons page :)
Dr Ally Louks @DrAllyLouks
239K Followers 133 Following Smell commentator. Currently teaching at Cambridge. ‘One of those academic types who turn to books as a substitute for social interaction’. 🏳️🌈🦇🌱👃🏻📚
Scott Miller - Apogee... @ScottApogee
26K Followers 132 Following Created Apogee (1990) and Apogee's "3D Realms" label (1994). Also co-created Duke Nukem, Max Payne, Prey and others. Follow to see game history revealed!
dax @thdxr
61K Followers 230 Following building https://t.co/eVz8bbXqxp https://t.co/A7BKeXDXKQ https://t.co/KFQgBnHJQy https://t.co/ZjFDwZeABC
Frans Sporsén @fsporsen
8K Followers 2K Following Balanserar Apollon och Dionysus i strävan mot ett Faustiskt rymdimperium / Resonans podcast / https://t.co/sSlq5VWe0w
Will Nye the Turfgras... @WillNyeTrfGrsGy
1K Followers 84 Following Turf Enthusiast / Golf course content /Making short grass shorter. Savannah Quarters CC
teej dv 🔭 @teej_dv
75K Followers 1K Following open source code | @neovim core | @terminaldotshop btw | ✝️ father of 3, dad jokes my own https://t.co/jKpcjsTqBE | https://t.co/zb8zDKmSwG
Jens Nylander @nylanderjens
33K Followers 265 Following Dataanalytiker och utvecklare @ Intelligence Company. Serieentreprenör Jens of Sweden, JAYS och Automile. Investerare och styrelseledamot i noterade bolag.
Adam Sondergard @HeMightBeAdam
4K Followers 750 Following Writer @linustech | Improv, Music, Comedy | He/Him | https://t.co/uTXA6OKvts I'm also on instagram
Olaus Petri @olaus_petri
2K Followers 609 Following David Lindén heter jag. Skriver ofta om Vasatiden. Detta konto är kvar till 2027 för att markera 500-årsjubilet av reformationsriksdagen i Västerås.
Simon Maechling @simonmaechling
23K Followers 2K Following PhD Organic Chemistry | Debunking myths | Science not ideology | Follow for facts! 🧪🧬 🌾 Opinions are my own.
Volodymyr Zelenskyy /... @ZelenskyyUa
8.2M Followers 1 Following President of Ukraine / Президент України
MSkillt @Korpoga
9K Followers 1K Following Back from the void, still a dick & doing what your mother warned you about. Used to be a chaos manager. Now: Freedom factory employee - Husband - Reservist
Casey Muratori @cmuratori
61K Followers 145 Following Programming: https://t.co/Bdh1Xj2PpV Comics: https://t.co/fmdjK9HFxW
Neil Stone @DrNeilStone
109K Followers 18K Following Infectious Diseases doctor. Clinician-scientist.Officially the 1st person to use word #Covid. Strictly my personal views only. No DMs for medical advice.
Jake-ish @jakebellavance
3K Followers 530 Following Some call me "Bell" // I’m 1/3 of @vinylverdict and I work at @linustech as a producer/host for @ShrtCrctYT :^) https://t.co/hKc5w3z42Y
joostlek @joostlek
187 Followers 1K Following Developer Relations @ @home_assistant/@openhomefndn Making homes smart and open 🏠
Zihan Wang - on RAGEN @wzihanw
23K Followers 609 Following PhD Student @NorthwesternU. Intern @yutori_ai. I study PhysiCS of LLM. Ex @deepseek_ai @uiuc_nlp @RUC. RAGEN | Chain-of-Experts | ESFT.
Joona @joohoi
6K Followers 730 Following Hacks for beer. FOSS, infosec and privacy. Chaotic good. Head of Security Testing at @visma
NDC Conferences @NDC_Conferences
9K Followers 532 Following A Software Developers Conference currently running in London, Oslo, Porto, Copenhagen & Sydney.
Volodymyr Demchenko @brokenpixelua
78K Followers 264 Following Ukrainian film director (currently Ukrainian soldier)
Sebastian Siemiatkows... @klarnaseb
40K Followers 386 Following Co-founder and CEO of @Klarna. Smoooth shopping! Trying my best to be the nightmare of the bank establishment worldwide! Do all I can so customers will love us
Jackson Oswalt @JacksonOswalt
15K Followers 999 Following genius billionaire playboy philanthropist @midjourney
Тsфdiиg @tsoding
92K Followers 281 Following Recreational Programming - https://t.co/cPjxUvz266 - https://t.co/EilSXwJsXC - https://t.co/0cNzC7z24Y ⠀⢀⣰⣾⡿⣶⣿⠿⣶ ⢠⣼⣿⣿⣷⣿⣿⣶⠉ ⢸⣿⣿⣿⣿⣿⣿⠀⠀
Fredskronk @fredskronk
1K Followers 1K Following Nerd who builds apps and stuff for the web. Daddy to @ingenbanjo and @minikaoset. RT a lot. Tweets in swinglish
Anders Lassila @Lassila75
888 Followers 747 Following Norrlands lyckligaste förskolekock. Twittrar om min vardag på Sveriges bästa förskola
Pat Gelsinger @PGelsinger
113K Followers 159 Following Values are most enduring thing leaders create. Engineering pioneer, proud grandfather, philanthropist, Christian, farm boy at heart.
shitlondonguinness @shitlondonguinn
79K Followers 14 Following Documenting all of the shit pints of Guinness in London. For my sins. @beautifulpints for nice pints. Run by @imgrandsure
sapir federovsky @sapirxfed
5K Followers 183 Following Doing things @wiz_io And then doing more things at home | failed research blog: https://t.co/j2HT1Tpscs
Martin R. Albrecht @martinralbrecht
4K Followers 447 Following Cryptography Professor @CysKCLInf and Principal Research Scientist @SandboxAQ. Erdős–Bacon Number: 6. He/him or they/them.
Marcus Maciel @underlinux
6K Followers 168 Following Head of Cybersecurity @Ubiquiti . My tweets are my own. (auto delete after 30 days)
Anders Persson @82AndersPersson
3K Followers 829 Following Pol sc specializing in EU-Israeli-Pal relations. Author of 'EU Diplomacy and the Israeli-Arab Conflict, 1967–2019', (@EdinburghUP 2020)
NEXTA @nexta_tv
1.3M Followers 216 Following The largest Eastern European media. To let the world know. Our website: https://t.co/4voPija7tJ Become our patron: https://t.co/fOGkarNq2c
Jazz Dispensary @jazzdispensary
8K Followers 75 Following From acid-jazz groovers to spaced-out cosmic explorations and beyond, Jazz Dispensary opens the door to a heightened musical experience.
Christian Sandström @ChrisSandstrom
2K Followers 424 Following Affärsvärlden Författare, Gröna Bubblor PhD, Docent. Co-editor: Moonshots and the New Industrial Policy Questioning the Entrepreneurial State
BocaBola @BocaBola_
10K Followers 565 Following Twitch PARTNER, yeah I know, kind of a big deal Top 0.1%, Yeah kind of a big deal Writer at @linustech Email: [email protected]
Anthony Leverrier @letonyo
7K Followers 1K Following researcher on quantum error correction https://t.co/RvavYrCGWD
Andres Freund (Tech) @AndresFreundTec
11K Followers 99 Following FWD: @[email protected] FWD: https://t.co/DcPdStYfus Postgres developer, working at Microsoft. For politics: @AndresFreundPol
Lärarannan @Lrarannan1
1K Followers 1K Following Synd att vi förstörde världens bästa skola med kunskapssynen, kundskolan och digitaliseringen. Gymnasielärare med traditionell syn på bildning och undervisning.