ReversingLabs @reversinglabs.com ReversingLabs is the trusted name in file and software security.
RL - Trust Delivered.
Gary Williams @garywilliams.bsky.social IT Person with a focus on Cyber security and risk management | Spiceworks moderator | Fascinated by logistics | Great believer in tea fixing all problems
Hack Glasgow @hackglasgow.bsky.social People make Glasgow, but together we Hack Glasgow. Returning Saturday 15th August 2026.
El Jefe De Security ("Retired" ) @eljefe.social I'm Thee Sarcastic Warrior, RETIRED Keeper of Secrets in MSR, FORMER Inquisitor of the CTO, LAST Defender of Caturdays, Hugger of Trees and Hunter of Bots.
Danny Palmer @dannypalmer.bsky.social Cybersecurity journalist and writer. Welsh. SE London.
Also likely to post about games, rugby, F1, wrestling, history & the cat.
I have a Simpsons reference for every occasion.
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.
โ๏ธ Signal: +1 917 257 1382
Brian Honan @brianhonan.bsky.social Irish cybersecurity pro, author, speaker, and commentator.
CEO of BH Consulting, Head of Ireland's first CSIRT - IRISSCERT, former member of ENISA Advisory Group, & former Special Advisor on CyberSecurity to Europol.
PGP ID 0xF1B5CF7D
Sarah Armstrong-Smith @sarahasmith.bsky.social Executive Security & Crisis Leader, Keynote Speaker, Best-selling Author, Lover of Doggos ๐ถ ๐ฌ๐ง
@stuarthare.bsky.social @stuarthare.bsky.social 
Scott Helme @scotthelme.bsky.social Hi, I'm Scott Helme, a Security Researcher, Entrepreneur and International Speaker. I'm the creator of Report URI and Security Headers, and I deliver world renowned training on Hacking and Encryption.
https://scotthelme.co.uk
V_To_The_K ๐
@v-to-the-k.bsky.social 'Give a man a 0day and he'll have access for a day, teach a man to phish and he'll have access for life.'
Smashing Security podcast @smashingsecurity.com Funny award-winning weekly podcast about hacking, cybercrime, and privacy with @grahamcluley.com.
https://www.smashingsecurity.com
๐ Merch https://www.smashingsecurity.com/store
Patreon: https://www.smashingsecurity.com/plus
Mat Rollings @stealthcopter.bsky.social Bug bounty hunter, AppSec engineer and CTF player.
Developer of PortDroid, deepce, Nexus Revamped and some other junk
Azgard @yestinj.bsky.social South African software engineer, hacker ๐พ
Mintynet @mintynet.com CVE-2023-29389 - CAN injection on Toyota vehicles, ironically had car stolen in 2022 via method previously found on 'secret' vehicle in 2018!
Also follow @bigrinnyo.com
https://www.mintynet.com/
https://github.com/mintynet
SteelCon @steelcon.info SteelCon is a family friendly hacker conference in Sheffield.
Next event is July 2026.
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
Dominic White @singe.bsky.social Hacker at Orange Cyberdefense's SensePost Team
https://hello.singe.za.net/
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer โ Managing director @ HexArcana โ @DragonSectorCTF founder โ he/him
Gamers Only! @gamersonly.bsky.social The latest gaming drama, news, releases and more! Don't get left behind, stay up to date with all things gaming.
Page... Loading! Coming full steam to BlueSky!
MITRE ATT&CK @attack.mitre.org MITRE ATT&CKยฎ - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting โ endorsement.
cje @cje.io founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || ุนุตุง ู
ูุณู || #w00w00
Steve Springett @stevespringett.bsky.social Father, husband, cybersecurity professional, lover of all things that go โvrooomโ, and avid watch collector.
Creator of OWASP Dependency-Track. Chair of CycloneDX. Founder of Ecma TC54. OWASP Global Board of Directors.
https://about.me/stevespringett
Dave McK @davewm.bsky.social Cyber, IT, Geek, may or may not be Batman. Speaker. mentor, doer of good deeds. My comments are my own or stolen and not the views of my employer or cat.
Ax Sharma @axsharma.com Journalist and Security Researcher. Bylines/seen on: BleepingComputer, BBC, Channel 5, TechCrunch, WIRED.
๐๐จ๐ฆ | ๐ฌ๐ง | ๐ฎ๐ณ
www.axsharma.com
X/Twitter: @Ax_Sharma
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
Joel Margolis (teknogeek) @teknogeek.io hacker
Soroush Dalili ๐๐ @irsdl.bsky.social Hacker (ethical), web appsec specialist, trainer, tools builder & apps breaker, X: @irsdl
https://secproject.com/
https://soroush.me/
https://burpsuite.ninja/
Eduardo Vela @sirdarckcat.bsky.social 
Koto @kkotowicz.bsky.social Security ninja wannabe / board game geek / photon catcher
STรK @stokfredrik.bsky.social Hacker / Creative
Mischief & GOOD VIBES ONLY
terjanq @terjanq.me security enthusiast that loves hunting for bugs in the wild. co-founder and player of @justCatTheFish.
infosec at @google. opinions are mine.
From: https://twitter.com/terjanq
martin @cantcomputer.bsky.social CSO @ TrustedSec | Music | Tattoos | H@x | Rad Memes
Nicholas Fearn @nicholasgfearn.bsky.social Journalist seen in Forbes, FT, The Guardian, The Telegraph, The Independent, Daily Mail, Evening Standard, Metro, HuffPost, Business Insider, et al.
Jason Haddix @jhaddix.bsky.social CEO, CISO, Trainer, Hacker, and Speaker.
AI + hacking + sec leadership.
ex:BuddoBot-Ubisoft-Bugcrowd-Fortify-HP-Redspin-Citrix.
Semgrep @semgrep.com Semgrep is a code scanning platform for finding first and third-party security vulnerabilities in your code base.
๐0๐๐๐๐๐๐๐๐ @c0redumped.bsky.social Swede.
Same handle @ twitter/infosec.exchange.
InfoSec/Cyberz/DFIR/Old Norse/Positivity/BBQ/Linguistics/Funsies/E.t.m
Running a wierd series of #MorningGreetings ๐คญ
Original #SnackOiler & #LulzCrewer
Alan Woodward @profwoodward.bsky.social Computer Scientist interested in cyber security and quantum computing 
Jake Moore @jakemooreuk.bsky.social Global Cybersecurity Advisor at ESET
www.jakemoore.uk
Random Robbie @what-security.co.uk #infosec | #exploiter | #asm | fox | #LFC | scanner of the internet | #wordpress exploiter | #greynoise lover. | #Bugbounty hunter | Northerner | #UK
Sam Swift ๐๏ธ๐ง๐ฆ @safesecs.bsky.social Cybers. DJish. Conwife. Nephophile. F1 Diva. Opinion Owner. Karaoke Disaster. ChiefDataSnarkist. She/Her/Bird.
BSidesNCL, BSides Leeds and BSides Lancs witch. DC SOC Goon ๐๐ณ๏ธโโง๏ธAlly.
Kate O'Flaherty @kateoflaherty.bsky.social Freelance cybersecurity and privacy journalist @theguardian.com | @wired.com | @Forbes | IT Pro | SC Media UK and more.
Dogs ๐
Simon Bennetts @psiinon.bsky.social ZAP Project Lead
Jeremy Long @ctxt.bsky.social Builder, infosec, SCA and SAST enthusiast, blue team.
Founder of OWASP dependency-check.
https://github.com/sponsors/jeremylong
Tib3rius @tib3rius.bsky.social Web App (mostly) Hacker | Cybersecurity Educator | Content Creator | Ex-Brit | Links: http://linktr.ee/tib3rius (he/him) ๐บ๐ธ A mostly unserious person. @therealc3rul34n.bsky.social is bae ๐ฅฐ
Lukas Weichselbaum @webappsec.dev Leading Google's web security team.
Passionate about web security and making secure-by-default web development the norm. Contributed to web platfom security features like CSP, Fetch Metadata, COOP and Trusted Types.
Michele Spagnuolo @miki.it ๐ผ: Staff Information Security Engineer at Google. ๐ ๏ธ: Rosetta Flash, BitIodine. ๐: web security, โ , โฟ, finance. Data is the most dangerous form of opinion.
BRute Logic @brutelogic.bsky.social #CyberSecurity #AI https://brutelogic.net/research
Rory McCune @mccune.org.uk Security geek, Containers, Kubernetes, Golang/Ruby, hillwalking
Home Page :- https://www.mccune.org.uk
Blog:- https://raesene.github.io
Gareth Heyes @garethheyes.co.uk Web security researcher at PortSwigger. Author of JavaScript for Hackers, Shazzer and Hackvertor.
https://garethheyes.co.uk/#latestBook
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
Daniel Cuthbert @dcuthbert.bsky.social Ageing hacker, long time documentary photographer. Black Hat Review board. Now sitting on numerous government cyber security boards so I guess that means Iโve grown up right?
Michal ล paฤek @spazef0rze.bsky.social In your web, securing your app. Hacker, webdev, speaker, engineer. Security shoptet.cz, ex-report-uri.com, ex-teenager. HTTPS = How To Transfer Private Sh๐ฉ. Also https://infosec.exchange/@spazef0rze
Philippe De Ryck @philippederyck.bsky.social I help developers protect companies through better web security
Roachy @roachy.net Herder of cats, wrangler of packets, jack of some trades. RFC 3514 compliant. @DC151.org co-(dis)organiser.
Not really a cow
Lady Cyber Rosie ๐งโโ๏ธ @ladycyberrosie.bsky.social th4ts3cur1ty.company Magical Genie Person ๐งโโ๏ธ
Former/Recovering Cyber Security Recruiter
BSides Lancashire Founder
Responsible adult for BSides Leeds
Supporter of the Infosec community
Working Parent
Katie Paxton-Fear @insider.phd Dr, apparently. Security Adovcate @semgrep & Hacker. #BugBounty hunter & #infosec YouTuber. APIs & Interlinked OffSec, PhD in AI+Sec @hacknotcrime. she/her
ha3ks @ha3ks.com Cyber Security Engineer | SOC Team | Half a dozen Certifications in a Trench Coat
Blog: www.ha3ks.com
Phat Hobbit @phat-hobbit.bsky.social CISO Inversion6.com, CTO Octopi Managed Services, CyberEd Board Member, Gartner Peer, Defcon SOC Goon, Amateur Dentist & Infosec Fashionista - opinions expressed are my own.
BadCipherCodes @badciphercodes.bsky.social Software dev, cryptography,cheese, anything else that is interesting. You are a very silly๐ชฟ if you think my opinions reflect that of my employer.
Cassie @lavishhhloka.bsky.social โ๏ธ๐ด๐๐ป
phreck @phreck.com I do security stuff. Sometimes I'll even talk about it. Mostly rambling streams of consciousness though.
You've been warned.
https://phreck.com
https://gihub.com/phreck
@thephreck on X
@phreck.infosec.exchange on Mastodon
nick @wintervirus.bsky.social 
Radosลaw Gnat @rgnat.bsky.social InfoSec guy, Dad, CISO #Poland Founding Member. Likes are managed by a banana.
Views are my own and does not reflect my employers.
Cary Hendricks ๐ด๓ ง๓ ข๓ ณ๓ ฃ๓ ด๓ ฟ๐ฟ๐ฆ @figjam.sogeek.org BBQ fanatic โข InfoSec dabbler โข Cyber Security Instructor โข Hacking โข Forensics โข DIFR โข Compliance โข Award Winner โข Speaker โข Caught making faces on TV โข Veteran โข formerly @fignjam on X
AnguaSec @anguasec.bsky.social Fuelled by caffeine and anxiety.
halfling @ha1fling.dev 5โ2. Hacks, codes & drinks tea. ๐ง๐ปโโ๏ธ
vi @gl4cier.bsky.social CS PhD student - fun with IPv6. Part-time threat hunter, novice language learner (๐ณ๐ด๐ณ๐ฑ๐ฏ๐ต), AS201567, they/them, @gl4cier@mastodon.social
David @tia568b.bsky.social Infosec geek, all views expressed are my own, all anecdotes fiction and any resemblance to persons living or dead is purely coincidental. Chaotic good. He/him
John Opdenakker @j-opdenakker.bsky.social Blogger | #Infosec | #AppSec | Security awareness | Occasional Public Speaker | Cycling | Running | Posts might contain bad humor, sarcasm or irony | Takes your security seriously!
https://johnopdenakker.com
RonnyTNL @ronnytnl.bsky.social Rocks the Guitar | Likes Metal | Plays with TCP/IP | Security paranoid | Something with (digital) Privacy | @ronnytnl@infosec.exchange
gary joseph 227 ๐
๐ด๓ ง๓ ข๓ ท๓ ฌ๓ ณ๓ ฟ๐ด๓ ง๓ ข๓ ฅ๓ ฎ๓ ง๓ ฟ @gary227.bsky.social rocker ex roady half welsh guy living in manchester ,catdad,lizard dad
systems admin by day
Quentyn @quentyn.bsky.social the artist formally known as Quentynblog on twitter - i do infosec, running and outdoors things. Not verified so don't message me here as i cant read them at all
z0mbi3 @z0mbi3.bsky.social The World's most prolific procrastinator.
Runs 1/3 of @dc44131.
My role is to raise problems, not have solutions.
My opinions aren't even opinions!
Will T @bushidotoken.net ๐ฌ๐ง | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel
Josh Grossman (tghosth ๐ป) @joshcgrossman.com Friendly AppSec Ghost ๐ป
https://appsecg.host
Chris Ratcliff @chrisratcliff.bsky.social Car and whisky fan. Co-host of the Automovie Podcast. Takes photos, shares whisky thoughts, and builds Lego.
Glenn Pegden @glenn.pegden.com Good Guy Hacker, Dad, App Sec / Vuln Man / Pentest specialist and leader, conference organiser, volunteer, speaker and attendee, retro gamer, Blackburn Rovers and Leeds Knight fan โฆ.. hacker
http://Glenn.pegden.com/findmeon
Joe Uchill @joeuchill.bsky.social Potential game show contestant.
Former Axios, The Hill, Passcode. Founder of the Codebook cybersecurity newsletter. Once got lost in a Starbucks.
LivingInSyn @livinginsyn.com Infosec, Triathlon, Cycling, Dad, Cats, Dogs (not in that order)
https://infosec.exchange/@livinginsyn
Signal: livinginsyn.01
Sebastian Bicchi @secresdoge.bsky.social There is nothing left of who I once was.
Happygeek @happygeek.bsky.social Veteran cybersecurity journalist and hacker, senior contributor at Forbes.com, contributing editor PC Pro.
Lesley Carhart @hacks4pancakes.com I am eminently qualified to speak from experience about a variety of dumpster fires.
ICS DFIR at Dragos, martial artist, marksman, humanist, level 14 Neutral Good rogue, USAF retired. I post *very serious* things about infosec. Thoughts my own. Enby. ๐ณ๏ธโ๐
๐ฎ Daniel Hรผckmann @sanitybit.com โ 42 โ
๐ท Photography: @danielhuckmann.com
๐ Organizer: @rainsec.org || @netsec.bsky.social
๐ฆ InfoSec, Psychedelics, Psychology, & Neuroscience
Rik Ferguson @rikferguson.com Immigrant. VP Security Intelligence @Forescout, Co-founder @RespectInSec. Board @vaultree, Cybersecurity Futurist, Researcher, Award-winning writer/producer. He/Him. Pussy in bio.
Substack - Ferguson.ink
Slava Ukraini ๐บ๐ฆ
UK_Daniel_Card @mrr3b00t.bsky.social 
Mike W @mike.helix-labs.io Cyber Security doer of things | Bass guitarist | Football fan | Dad
https://medium.com/@Mike.Whitehead
Reg @reg.bsky.social I believe that Black Lives Matter, and that trans rights are human rights.
Iโm an infosec geek in the streets, and an Oxford comma freak in the sheets.
she/her
Nikki Webb @nikkic360.bsky.social Happiest by or in the sea ๐ค๐ Global Channel Manager for MSSP Custodian360, part of The Cyber House Party team, Volunteer at The Cyber Helpline. Total cat lady ๐ค๐ค๐ค๐ฑ๐ฑ๐ฑ
Alethe @alethe.bsky.social โUh-Lee-thโ | Bishop Fox ๐ฆ Red Team | DEF CON Goon & Black Badge Hall of Fame | DEF CON Social Engineering CTF Winner 2019 | Physical Pentester | IVR Pentester | IR Tabletop King ๐
Safa ๐ฟ๐ฆ in NorCal ๐บ๐ธ - Fish ๐ Nerd - Jeep Girl
Marc Rogers @cjunky.bsky.social Ramblings of a Mad Englishman: Hacker @ BBC's Real Hustle & Mr Robot. Head of Sec @ DEF CON. Founder @ CTI-League, Ransomware Taskforce, w00w00, CDC NSF, (He/Him).
Also
Twitter @marcwrogers
Mastodon cj@chaos.social
Ben McHarg @benmcharg.bsky.social Father, husband, outdoors enthusiast, cybersecurity instructor, BlueTeam, Community builder.
Jayson E. Street๐๐ค๐ @jaysonstreet.bsky.social Hacker - Helper - Human
JaysonEStreet.com
Zoรซ Rose @rosesec.bsky.social #mumSec
๐ธPaul๐น @paul.bsky.social Network security, Audio production w/ Bitwig & Logic Pro, analog synths, guitars, and Metroidvanias.
William Sellers @wsellers.bsky.social