Lorenzo Franceschi-Bicchierai @lorenzofb.bsky.social Real-time historian of the late cyber capitalist era @TechCrunch, writing about the intersection of hackers, human rights, and spies.
Also writing a book about Hacking Team and the history of government spyware.
βοΈ Signal: +1 917 257 1382
Trenchant @trenchantarc.bsky.social Trenchant. An L3Harris company.
Carl Smith @rwx.page Security @Google, Personal Account.
Mark Barnes @1nc4nu5.co.uk CTO @ Breakpoint Research
He/Him
Born at 340ppm
Hugow @rustyphasm.bsky.social Red Team / Security researcher at @synacktiv.com
linktr.ee/rustyphasm
V3in @v3inn.bsky.social 
winterknife π» @winterknife.bsky.social low-level developer with a focus on πΈππππ π‘πΎπΌ ISA devices running ππππππ π | victoria per observatiam | R&D @bhinfosecurity.bsky.social- D dis0908 @dis0908.bsky.social Browsers VR | Finding pattern in Chaos
Maxime Meignan @themaks.bsky.social Infosec Enthusiast, Reverse Engineer, Vuln Researcher, Cat Owner (in no particular order)
Daryna Antoniuk @darynant.bsky.social Cybersecurity Reporter at Recorded Future News. Ex at The Kyiv Independent/Forbes/The Kyiv Post
πKyiv, Ukraine
LiveOverflow π΄ @liveoverflow.bsky.social wannabe hacker... he/him
π± grow your hacking skills https://hextree.io
Corellium @corellium.bsky.social The R&D platform for the next generation of smart devices β iOS, Android, and Arm. Visit us at corellium.com to learn more. 
Tracy @hackerpinup.bsky.social 
Muirey03 @muirey03.bsky.social I break stuff | iOS Researcher @Cellebrite
Eric Geller @ericjgeller.com Senior reporter at @CybersecurityDive.bsky.social covering all things digital security. I also co-host @hothtakes.bsky.social. | Send me tips: https://ericjgeller.com/contact.html
John Scott-Railton @jsrailton.bsky.social Chasing digital badness. Senior Researcher at Citizen Lab, but words here are mine.
Matthew Garrett @mjg59.eicar-test-file.zip Former biologist. Actual PhD in genetics. Security, OS security teaching at https://www.ischool.berkeley.edu.
Blog: https://codon.org.uk/~mjg59/blog
Signal: @mjg.59
He/him
Opinions expressed here are mine, not my employer's
Felix Krause @krausefx.com Currently building https://contextsdk.com - Security Researcher - Creator of https://fastlane.tools (Previously Google, Twitter)
@d10k6.bsky.social @d10k6.bsky.social 
Social_Anthrax @anthrax.social She/her.
Local hacker gal and *OS enjoyer.
CTF with SIGINT and 0rganizers.
Former researcher @crowdstrike.com, former researcher somewhere fun.
All opinions are my own, you know how this goes.
π³οΈββ§οΈ
iOS Dev Weekly @iosdevweekly.com The best news and links for Swift and Apple platform developers. Every Friday since 2011.
Binary Ninja @binary.ninja https://binary.ninja/
Made with β€οΈ by https://vector35.com/
@hasherezade.bsky.social @hasherezade.bsky.social Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc) ; https://hasherezade.net
vx-underground (automated mirror) @vxundergroundre.bsky.social The largest collection of malware source code, samples, and papers on the internet.
Password: infected
(unofficial, this is a bot! Maintained by a private individual, the bot can't handle retweets or replies, support soonish)
@objective-see.bsky.social @objective-see.bsky.social 
Donncha Γ Cearbhaill @donncha.is Head of Security Lab - Amnesty International
Hunting spyware and unlawful surveillance targeting activists and civil society.
For help with digital forensics or suspect spyware threats contact: https://securitylab.amnesty.org/get-help/
ipsw @ipsw-tool.bsky.social iOS/macOS Research Swiss Army Knife - https://github.com/blacktop/ipsw
ian dupont @comedian.bsky.social Vulnerability Researcher @ Margin Research | Adjunct Professor @ NYU
rpw (aka esizkur) @rpw.bsky.social 
Joseph Menn @joemenn.bsky.social Washington Post alum covering hacking, disinformation and whatβs left of privacy. Author of books on the Cult of the Dead Cow, organized criminal hacking, and Napster. Pulitzer co-finalist 2024. Signal joemenn.01
J. A. Guerrero-Saade (JAGS) @jags.bsky.social VP of Intelligence and Security Research, Senior Technical Fellow (AI) @ SentinelOne.
Distinguished Fellow and Adj Professor @ Hopkins SAIS Alperovitch Institute. Three Buddy Problem Co-Host. LABScon Founder, Cyber Paleontologist, Fourth-Party Collector.
David Maynor @davemaynor.bsky.social threat intelligence and R&D
@brycebostwick.bsky.social @brycebostwick.bsky.social 
@oct0xor.bsky.social @oct0xor.bsky.social 
Jack @xploit.dev Principal Exploit Dev @ Breakpoint Research https://breakpointresearch.com/
Joseph Cox @josephcox.bsky.social Hacking/crime/privacy journalist. Author of DARK WIRE, buy here: https://www.hachettebookgroup.com/titles/joseph-cox/dark-wire/9781541702691/#preorder Co-founder of 404 Media. Signal: joseph.404 Email: joseph@404media.co
Rick Ballard @rballard.bsky.social DevTools engineer, @ Apple since '05. Cheerful Californian. World traveller. Food geek. I'm not a snob, I'm an enthusiast. (He/him)
π San Mateo, CA
Also:
π https://mastodon.social/@rballard
@brinly.bsky.social @brinly.bsky.social uh does anybody care about these bios
professional rustacean π¦πΊπ¦π»π· @adhsec.bsky.social reverse engineering & vulnerability research, ex MWR Labs, generally bad at computers, memory safe(probably), OS internals/hypervisor/browser research and bug hunting r&d (β€οΈprogram/code analysis)ππ @adhsec on hellsite, they/them, enby, #AuDHD
Angelos T. Kalaitzidis @0xshad3.bsky.social RE / VR & Intense Coffee Consumption. He/Him. Opinions are my own. Curr: iOS . Past: Hypervisors.
saspect @saspect.bsky.social trying to break stuff.
The Citizen Lab @citizenlab.ca We are an academic research unit at the University of Toronto investigating novel threats to democracy, human rights, and global security in the digital ecosystem.
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
CNN @cnn.com Asking the hard questions and bringing unique perspectives from across the globe. This is CNN.
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Richard Johnson @richinseattle.bsky.social Fuzzing; Vulnerability Research;
Deep Learning; Reverse Engineering
Training & Publications @ http://fuzzing.io
Hacking the planet since 1995
Undercurrents.io BOFH
I'll stop the world and melt with you
Meysam @r00tkitsmm.bsky.social Security Researcher.
DistrictCon @districtcon.bsky.social A new DC hacker conference: Bringing together builders, breakers, and fixers to do cool shit.
Feb. 6-7, 2027
districtcon.org
Moshe Kol @0xkol.bsky.social Kernel hacker
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
David Buchanan @retr0.id reverse engineering, cryptography, exploits, hardware, file formats, and generally giving computers a hard time
Fedi: @retr0id@retr0.id
Macroblog: https://www.da.vidbuchanan.co.uk/blog/
DJ @dj.phoking.gay KEYWORDS β‘οΈ cats, console hacking, program synthesis, reverse engineering, the rest of the technical crap doesnβt really matter. Friend-shaped and loving. <3
β©she/her π³οΈβππ³οΈββ§οΈ
Lafayette, Indiana
Ariel @adversariel.bsky.social busy building stuff. likes: offensive security, LLMs, and dumb memes. prev: research scientist @ OpenAI / CS PhD @ Harvard / cofounded DEF CON AI Village
chompie @chompie.rip hacker, poster, weird machine mechanic
https://chompie.rip
Kirby Kuehl @kkuehl.bsky.social Security, Software Development, Guitars, Tattoos 
Winnona @winnona.bsky.social @DistrictCon Founder. Hacker and attorney. @CyberStatecraft / @BelferCenter fellow, ex-Google threat research. Dog mom. Opinions=my own π©π»βπ»
joern @jrn.bsky.social Still your momβs favorite hacker!
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
argp @argp.bsky.social Hacker. Ascetic. Phrack author. The most technical boy in town.
Sam Collinson @rzn.bsky.social hex worker
Niklas B @niklasb.rce.associates research @ dfsec.com
@marcograss.bsky.social @marcograss.bsky.social 
alkali @alkalinesec.bsky.social mobile security / symbolic execution . he / him
Ryan Stortz @withzombies.bsky.social Memory Corruption, iOS, Swift, LLVM, CTF, old man stuff
NYC
banty @thebantyone.bsky.social computers are hard
Natalie Silvanovich @natashenka.bsky.social Google Project Zero
Mark Dowd @mdowd.bsky.social Internet hacker
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Shane Huntley @shanehuntley.bsky.social Aussie security / tech guy.
Google Threat Intelligence. Co-founder Threat Analysis Group (TAG). Tweets are my own not my employers.
MichaΕ Kowalczyk @mkow.bsky.social reverse-engineering / low-level security
Dragon Sector CTF vice-captain, Invisible Things Lab
Mastodon: @redford@infosec.exchange
Also known as Redford
Phrack Zine @phrack.org since 1985
https://phrack.org
Samuel GroΓ @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
matteyeux @matteyeux.bsky.social iOS fun
Synacktiv @synacktiv.com Offensive security company. Dojo of many ninjas. Red teaming, reverse engineering, vuln research, dev of security tools and incident response.
myr @myr463.bsky.social Security researcher @Synacktiv.com β©οΈ
sam4k @sam4k.com pwning kernels & blogging on os internals π±
Hexadecim8 @hexadecim8.com Author | spooky trans athlete | Linux behavioral threat researcher | never hacked nobody
https://hexadecim8.com
Antonio Silveira @antonios.bsky.social Made in Brazil π§π·, SF Bay Area π, Slow Cyclist π΄
CTO at Attentive π¬
jiska @naehrdine.bsky.social ΙΏΙΙniΟ±nΙ ΙΖ¨ΙΏΙvΙΙΏ
π¦ youtube.com/@jiskac
π naehrdine.blogspot.com
π₯ twitter.com/naehrdine
π hpi.de/classen
π± reversing.training
Phil Stokes β«π β« @philofishal.bsky.social macOS security researcher espousing no one's opinions but my own. Dogged follower of #lufc, at least until the world stops going round (IYKYK).
philastokes.com
XPN @xpnsec.com Hacker for hire at @specterops.bsky.social
Blog: https://blog.xpnsec.com
Pete Markowsky @plm.bsky.social Cofounder & CEO @northpolesec.bsky.social
Prev: @google working on Security Agents including Santa. Cofounder and Chief Architect @capsule8 (tweets are my own.)
Personal Blog: https://blog.markowsky.us
Company Website: https://northpole.security
Dan Underwood @underwood.digital Security Engineering @ Apple, Ex-UK Gov
The intersection of technology (device and national security), and liberal arts (public policy)
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
Kuba Gretzky @mrgretzky.breakdev.org Offensive security tools developer. Malware developer, hobby music producer, bedroom DJ & ex-MMO game hacker. Creator of Evilginx / Bartender @ BREAKDEV RED.
Yarden Shafir @yardenshafir.bsky.social A circus artist with a visual studio license
alden @re.wtf malware enjoyer β’ macOS security
https://alden.io
Thijs Alkemade @xnyhps.nl Security Researcher.
Tony Lambert @forensicitguy.bsky.social Recovering sysadmin that now chases adversaries instead of uptime. Sr Malware Analyst @redcanary
golby @golby.bsky.social macOS Threat and Detections Researcher @ Jamf
Mikey @0xmachos.com Former @AbertayHackers Vice Gaffer. Purveyor of macOS security & rum. @warstudies postgrad Terrorism, Radicalisation & British intelligence.
Brandon Dalton @partyd0lphin.bsky.social Senior Security Researcher at CrowdStrike
https://swiftly-detecting.notion.site
@gergelykalman.bsky.social @gergelykalman.bsky.social 
Eisw0lf @eisw0lf.bsky.social π«π·| Vulnerability Researcher @ Lupus Nova- A Antonio ZekiΔ @antoniozekic.bsky.social Interested in iOS/macOS internals/security...
Paged Out! @pagedout.bsky.social Paged Out! is a free magazine about programming, hacking, security hacking, retro computers, modern computers, electronics, demoscene, and other similar topics. Always accepting submissions of one-page articles.
opa334 @opa334.bsky.social 
Stuart Ashenbrenner @stuartjash.bsky.social Principal macOS Security Researcher @ Huntress | π Skill Development Coach | πΌοΈπ
@kandji.bsky.social @kandji.bsky.social