BSides OT UK @bsidesotuk.bsky.social BSides OT UK is the first specialised BSides event in the UK. Our inaugural event will be held at the University of Bristol on the 10th April 2026
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
Melissa K. Griffith @melissakgriffith.bsky.social Faculty at Johns Hopkins SAIS & the Alperovitch Institute | former Wilson Center; Stanford CISAC | PhD from UC Berkeley | cyber and national security; semis; 5G; AI | usual disclaimers apply
Coordinates: melissakgriffith.com
Drag0nR3b0rn @drag0nr3b0rn.bsky.social An opinionated geek. Believes a better world is a possibility. Not afraid of revolutions. Willing to embrace chaos. A jack of many trades, a master of some.
@julesfarrow.bsky.social @julesfarrow.bsky.social 
Daniel @danieljohnlewis.bsky.social Professional in Cyber Security + cybernetics & AI + cyber-physical systems (CPS) & Operational Technology (OT).
Personal interests in philosophy, psychology, politics and religion.
Hack Glasgow @hackglasgow.bsky.social People make Glasgow, but together we Hack Glasgow. Returning Saturday 15th August 2026.
Matmos @matmos303.bsky.social Cat whisperer
Steve Battista @mitresteve.bsky.social Survivor of almost 35 years of the Cybersecurity game.
1. When you around long enough, everything is your fault.
2. Nothing beats a good backup. 
Iain Thomson @iainthomson.bsky.social UK journalist in SF covering security, space, and science, and stuff that looks fun. Into sailing, F1, F5, the Oxford comma, and Marmite.
All views my own. Signal: iainthomson.60 if you want to talk. Reluctantly siliconlimey on Insta & iainthomson on X.
Katharine Khamhaengwong @katharinegk.bsky.social senior editor @bindinghook.bsky.social / freelance editor & writer (eater, eurasianet, moscow times, oc media, oxford analytica, saveur, etc)
based in oegstgeest
also: birds, bikes, georgian, snacks, trains
st0_ic @d0c.bsky.social Infosec professional, former healthcare professional. Professionally unprofessional DFIR DJ. he/him
https://www.twitter.com/st0_ic
Dan Ricci @danricci14.bsky.social Founder of the ICS Advisory Project & Industrial Data Works. Senior Cybersecurity Consultant @Ampyx Cyber.
James Shires @jamesshires.bsky.social Co-Director, Virtual Routes (virtual-routes.org)
Managing Editor, Binding Hook (bindinghook.com)
Author of The Politics of Cybersecurity in the Middle East
Chris Leppard @ferretandbird.bsky.social Husband, Dad, 2 kids, 1 cat, 1 dog (no.2 on the way) | Cybersecurity | #cpfc & #F1 fan | Very fond of bees | digitalxraid.com | Later life ADHDer
Jonathan Guiffard @joeguiffard.bsky.social ๐จ๐ต in ๐ฌ๐ง
Researching strategic competition on
1. ๐บ๐ธ Cyber & SIGINT
2. ๐พW-African rivalries
๐ฌPhD in Geopolitics @ GEODE (IFG/Paris 8 Uni.)
๐ช Teaching @ Sciences Po Paris (intel&cyber)
๐ Fmr ๐จ๐ต gov
Cyber Detective @cybdetective.bsky.social Every day I write about #osint (Open Source Intelligence) tools and techniques. Also little bit about forensics and other cybersecurity related themes
Hayley Benedict @hayleybenedict.bsky.social Cyber Intelligence Analyst at RANE
Available for media inquiries ๐โโ๏ธ๐โโ๏ธ
Eugenio Benincasa @euben.bsky.social Cyber Defense Researcher @ethz.ch. Former Italian govt, Pacific Forum and NYPD. LUISS & Columbia University Alum.
Kamil Bojarski @lawsecnet.counterintelligence.pl #threatintel #dfir #osint #natsec and other secs. Downloading things from the Internet and looking at them. Views are my own Email: kamil@counterintelligence.pl
Robert McMillan @bobmcmillan.bsky.social Cybersecurity reporter for the Wall Street Journal
Binding Hook @bindinghook.bsky.social Expert commentary on emerging tech and security. Send us your article ideas at pitch@bindinghook.com. Project from @VirtualRoutes.bsky.social
Virtual Routes @virtualroutes.bsky.social Virtual Routes tackles the impact of digital and emerging technologies on global affairs. Also check out @bindinghook.bsky.social, our media outlet.
anna (they/them) @annapagnacco.com hello, iโm looking for a zebra?
chronically ill but still pretty chill. i used to work in cyber defence policy, now i ๐ผฬถ๐ฬถ๐ฬถ๐ฬถ๐
ฬถ๐บฬถ๐ฬถ๐ฬถ ฬถ๐บฬถ๐ปฬถ๐ฬถ๐ฬถ๐ฬถ research it at @css.ethz.ch.
personal profile, longer stuff @ itsallcyber.baby
Graham Cluley @grahamcluley.com Award-winning #cybersecurity keynote speaker, writer, podcaster | Host of multi-award-winning @smashingsecurity.com podcast.
โค๏ธ #DoctorWho, #Beatles, #Chess
He/him
๐ https://grahamcluley.com
๐๏ธ https://www.smashingsecurity.com
Dr. Dave Venable @davevenable.com Focused on building resilience in democracies | Former U.S. intelligence officer | Chair, @ISRS.ngo | Board director & CISO | TheCipherBrief
Dr Ola Michalec @olamichalec.bsky.social The absolute pinnacle of British engineering โข unprofessional account of a Bristol Uni STSish researcher interested in digital energy infrastructure, cyber security expertise, and hyped up technologies โข cover by https://disect.me/
Infosecjen @infosecjen.bsky.social Mostly nonsense, sometimes about security and/or policy. Often innuendo.
Allison Nixon @nixonnixoff.bsky.social Chief Research Officer @ Unit 221B
most reliable way to reach me is my company's outreach form on the website
my other urls:
https://infosec.exchange/@nixonnixoff
https://www.linkedin.com/in/allison-nixon-81822124/
don't bother contacting me on twitter
Erin Gallagher @3r1ng.bsky.social Social media network analysis. Digital ethnography. Formerly: Technology & Social Change Project: https://shorensteincenter.org/programs/technology-social-change/ she/her
Medium blog: https://erin-gallagher.medium.com/
Jake Moore @jakemooreuk.bsky.social Global Cybersecurity Advisor at ESET
www.jakemoore.uk
Ric @ricderby.bsky.social You're probably looking for:
https://bsky.app/profile/ricderby.com
Adam Shostack @adamshostack.bsky.social Threat modeling. BH Review Board. Affiliate Professor, UW. Fixed autorun. Helped create CVE.
Not sure why we're building graphs on yet another (effectively) centralized system. https://infosec.exchange/@adamshostack
Tony Comer @tonycomer.bsky.social Former Departmental Historian at GCHQ.
Sentry23 @sentry23.bsky.social Cat lover, InfoSec, Music (Goth, Industrial, black metal, *wave, dark ambient, etc), Gaming, Dark Fashion, Atari (16 bit and beyond) and the number 23.
living in the Netherlands
NULL @codemunkee.bsky.social Cybersecurity Researcher | Machine Learning & Artificial Intelligence | OSINT | CTI | Threat Modeling | Apolitical | Working to Democratize Cybersecurity
KerryTNews @kerrytnews.bsky.social Cyber news reporter, hockey player, always learning about cyber, languages, life. 
Paul D @pjd83.bsky.social 
Gary Hawkins @garyhawkins.net Mostly memes and shitposting, with maybe the occasional smidge of the cybers.
Jimmy Wylie @mayahustle.com I look for ICS threats, and spend a lot of time reverse engineering.
Distinguished Malware Analyst @ Dragos.
Lead Analyst on TRISIS and PIPEDREAM.
He/Him
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
John Scott-Railton @jsrailton.bsky.social Chasing digital badness. Senior Researcher at Citizen Lab, but words here are mine.
Daniel W Woods @ieltop.bsky.social Economics of security and privacy. Lecturer at the University of Edinburgh + Researcher at Coalition.
Andrew Dwyer @andrewdwyer.bsky.social Lecturer @isg-rhul.bsky.social | Geopolitics and Cyber Security | Writing a book on computation and geopolitics | Lead @ Offensive Cyber Working Group
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
Tim Stevens @tcstvns.bsky.social Cyber, security, risk, infrastructure, politics | Assoc Prof | Dept War Studies | King's College London | Visiting RUSI UNED RISCS Cnam
Beth Maundrill @gunshipgirl.bsky.social Editor at Infosecurity Magazine ๐ฉโ๐ป
B2B journalist/editor for over a decade, started off in defence and now covering cybersecurity.
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
Gynvael Coldwind @gynvael.bsky.social Security researcher/programmer โ Managing director @ HexArcana โ @DragonSectorCTF founder โ he/him
RUSI @rusi.bsky.social Royal United Services Institute for Defence and Security Studies. Founded in 1831, RUSI is the oldest defence and security think tank in the world.
Website ๐ป: https://rusi.org/
WhatsApp ๐ฑ: https://bit.ly/4h0M5FQ
Jamie MacColl @jamiemaccoll.bsky.social Senior Research Fellow @rusi.bsky.social | Senior Research Associate @virtualroutes.bsky.social | Usually researching ransomware and cybercrime | Sometime indie landfill guitarist
Toby Lewis @tobaslouis.co.uk Global Head of Threat Analysis at @Darktrace.com
All things Cyber Security Ops, Threat Hunting, Threat Intel and Incident Mgmt.
Margrete Raaum @margrete.bsky.social ICS security, roleplayer and larper. 
Amy Renee @amyengineer.bsky.social All things networking & security.
Sharer of knowledge, purveyor of puns, curator of amusement. Wielder of snark & sparkly bats.
@amyengineer@infosec.exchange
@amyengineer on the Twitters
Paul Rayson @perayson.bsky.social Prof of #NLP in School of Computing and Communications @LancasterUni, word boffin, ex-CLARIN Ambassador, Director of @ucrelnlp.bsky.social #NLProc #CorpusLinguistics #DigitalHumanities, Doctor Who & stuff. Ravenclaw.
https://www.linkedin.com/in/perayson/
Jenna McLaughlin @jennamclaughlin.bsky.social NPR Correspondent covering technology and national security.
Send me a tip: Text JennaMcLaughlin.54 on Signal from personal (nonwork) devices.
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
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
Michael Farnum @m1a1vet.bsky.social Advisory CISO opining on cybersecurity topics, Co-founder of HOU.SEC.CON (https://bsky.app/profile/hou-sec-con.bsky.social) cybersecurity conference, non-profit and startup board member, and suffering Dallas Cowboys fan.
Dan @hacktheshed.bsky.social 
@dianasp.bsky.social @dianasp.bsky.social Security Researcher at Orange Cyberdefense. Background and heart in social science -> Criminology. Current research focuses on ransomware / Cyber Extortion and modern / post-2022 (so called) hacktivism. Happy to exchange with peers ๐๐ป
Steve Mustard @steve-mustard.bsky.social Mackem-Texan, Engineer, part time athlete and guitar player, full time home brewer, beer drinker, Marvel comics reader, and Rush fan (He/Him)
David Hernandez @david-hernandez.bsky.social Sweaty, Filthy, Grease Stained Cybersecurity Professional. #OT #Cybersecurity #Cyber
Ibrahim Ethem Bagci @iebagci.bsky.social I work at VMware. I chase bad people on cyber-network. I go by Ethem. I listen to JohnMayer. I would do anything for a yummy pcap.
https://linktr.ee/iebagci
Ollie Whitehouse @ollieatnowhere.bsky.social CTO at the UK's National Cyber Security Center 
Craig Williams @craigwilliams.bsky.social I build threat intel stuff.
INTERPOL @interpol.int Connecting police & catching criminals in 196 countries for more than a century. ๐ต๏ธ
Follow our success stories here. ๐ฎโโ๏ธ๐๐ฎโโ๏ธ
โ๏ธ Report crimes to your local police.
Martin Matishak @martinmatishak.bsky.social Senior Cybersecurity Reporter at The Record from Recorded Future News. Send tips to martin.matishak@therecord.media. Signal: mmatishak.80
Dan Goodin @dangoodin.bsky.social Cybersecurity Reporter, Ars Technica: https://arstechnica.com/author/dan-goodin/ Hungry for tips. Text me on Signal: DanArs.82. "The world isnโt run by weapons anymore, or energy, or money. Itโs run by little 1s and 0s, little bits of data."
Greg Otto @gregotto.bsky.social @gregotto from twitter, now on bluesky. Editor-in-Chief at CyberScoop. Host of Safe Mode. Better with words than I am with code.
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
Nicole Beckwith @nicolebeckwith.bsky.social Sr. Manager, Threat Operations @kroger ๐ CTI, Hunting, Detection Engineering, Insider Risk, Fraud & Forensics ๐ป Fmr LE & DFIR for OH & Secret Service TF. #FSD #w00w00 #CFC
Chris Bing @chrisbing.bsky.social Cyber, natsec and foreign affairs. Formers with ProPublica, Reuters and CyberScoop
https://bing-chris.medium.com/how-to-contact-me-d2fd4bd3ed7b
Shannon Vavra @shanvav.bsky.social National Security & Cybersecurity | Priors: @cnas.bsky.social Fellow, National Security Reporter @thedailybeast.bsky.social, @cyberscoop.bsky.social, @axios.com | Probably in need of covfefe and a snack | shanvav01 on Signal
Sam Sabin @samsabin.bsky.social Axios cybersecurity reporter, taking it day by day โจ | ๐ฉ: sam.sabin@axios dot com, signal: SamSabin.01 (no pitches!), she/her
Lee Foster @leefosterintel.bsky.social AI Security / Cyber Threat Intel / Disinformation / Influence Operations. Founder aspectlabs.ai, Adjunct at Johns Hopkins SAIS Alperovitch Institute for Cybersecurity Studies, formerly Director of Influence Ops Analysis at Mandiant. All views my own etc.
Christopher Glyer @cglyer.bsky.social Microsoft Threat Intelligence Center - Former Incident Responder & Chief Security Architect @Mandiant
David Priess @davidpriess.bsky.social Intelligence, geopolitics, and the Arctic | Vice President of Strategy, Emergent Risk International | Senior Fellow, Hayden Center | Former CIA & State Department | Duke poli sci PhD | Author, The Presidentโs Book of Secrets
hakan @hatr.bsky.social reporter covering cyber (both crime and state-sponsored) for Der Spiegel and ZDF, short overview at https://linktr.ee/hakantanriverdi, Signal: hakan.25
Catalin Cimpanu @campuscodi.risky.biz โ Cybersecurity reporter
โ
Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
Dan Black @danwblack.bsky.social Previously Google, NATO, ๐จ๐ฆ Government. Views mine and mine only.
Jason Kikta @kikta.net // Somehow a CTO/CISO
// JHU SAIS @alperovitch.institute adjunct
// @istorg.bsky.social adjunct sr tech advisor
// Former CNMF
// Retired US Marine Corps
// Personal views and invective
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
Heather Adkins @argv.bsky.social VP Security at Google. Co-Chair Cybersafety Review Board, Co-Author Building Secure and Reliable Systems. r00t. Medieval historian.
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.
@mikko @mikko.bsky.social Fighting malicious use of technology.
Drew Harwell @drewharwell.com tech & society @washingtonpost.com
stories: https://drewharwell.com/
videos: tiktok.com/@drewharwell
+ instagram.com/drewharwell
Lawfare @lawfaremedia.org Straight-shooting information and analysis at the intersection of national security, law, and policy.
Support Lawfare at https://www.lawfaremedia.org/support
Molly White @molly.wiki writes citationneeded.news โข runs @web3isgoinggreat.com and @influence.citationneeded.news โข tech researcher and cryptocurrency industry critic โข software engineer โข wikipedian
support my work: citationneeded.news/signup
links: mollywhite.net/linktree
๐๐๐
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
Donncha ร 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/
Marcia Hofmann @marciahofmann.com Digital rights lawyer and writer. Former Twitter, Electronic Frontier Foundation, Electronic Privacy Information Center, US-UK Fulbright.
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.
Ron Deibert @rondeibert.bsky.social Director of The Citizen Lab at the University of Toronto's Munk School of Global Affairs & Public Policy
Author of Chasing Shadows https://chasingshadowsbook.ca/ 
Martijn Grooten @martijngrooten.bsky.social Threat researcher, rights supporter, obsessive reader, marathon runner, eternal traveler, serial migrant, music blogger, lapsed mathematician.
https://lapsedordinary.net/
Signal: martijngrooten.37
Tim Starks @timstarks.bsky.social Senior reporter, CyberScoop, covering spyware, cyber policy and more. Russia-sanctioned. Former Washington Post, POLITICO, CQ Roll Call. @timstarks.02 on Signal. tim.starks@cyberscoop.com. Mastodon timstarks@infosec.exchange, X timstarks, Threads tstarks2.