James O'Malley @jamesomalley.co.uk @Psythor on Twitter. Freelance writer covering politics/tech/nerd stuff.
Read my content: takes.jamesomalley.co.uk
Yes, I inevitably have a podcast too: abundancepod.com
Free the Postcode Address File!
Zack Whittaker @zackwhittaker.com Security editor, TechCrunch
Signal: zackwhittaker.1337
My stories: techcrunch.com/author/zack-whittaker
My newsletter/blog: this.weekinsecurity.com
Brendan Dolan-Gavitt @moyix.net AI researcher at XBOW. Security, RE, ML. PGP http://keybase.io/moyix/
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
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.
☎️ Signal: +1 917 257 1382
Bry @bryancampbell.researchers.blue Mostly complaining.
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Kim Zetter @kimzetter.bsky.social Journalist - cyber/natn'l security. Speaker. Georgetown adjunct prof. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon
Signal: KimZ.42
https://www.zetter-zeroday.com
Martin Hron @thinkcz.bsky.social Hacker, father, tinkerer and woodworker, citizen of planet earth. Ex 2K Czech, Ex Avast, Sentinel. Round peg in a square hole. Never too old.
Serkan Bodur @serkanbodur.com Co-Founder of Vigilainte ★ OSCP | OSWP | CEH |
5 SaaS Projects 🚀
Product Lead in B2B & B2C Markets
Ethical Hacker 🛠️ | Project Builder 💡
Current: vigilainte.com - serkanbodur.com
Andrada Fiscutean @andradaf.bsky.social Freelance Science & Tech journalist.
Bylines: BBC World Service, CSO Online, Ars Technica, Motherboard & more. KSJ at MIT Fellow 2020
#cybersecurity #science #retrotech
Suricata IDS @suricata.io Suricata IDS. An Open Source intrusion detection, intrusion prevention, and network security monitoring engine developed by the OISF (https://oisf.net).
Development by OISF team and our awesome community.
https://suricata.io
Drew @bugfire.io malware detection and analysis, hunting and gathering, threat research
Views are my own.
Tony Lambert @forensicitguy.bsky.social Recovering sysadmin that now chases adversaries instead of uptime. Sr Malware Analyst @redcanary
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
Today I Learned @today-i-learned.bsky.social 
Adel @0x4d31.bsky.social security engineer
@scadahacker.bsky.social @scadahacker.bsky.social IT / OT bod interested in protocols, frequencies and IOT/ICS security
Snorre Fagerland @snoffle.bsky.social Dad. Husband. Threat researcher at Stealth Startup. He/Him. Maintainer of the Virus History Project. Bannskapsarkitekt.
#infosec #cats #nature #science #art #antifascist #drawing #istandwithukraine
Feike Hacquebord @feikeh.bsky.social Principal Threat Researcher at TrendAI
Piotr Kijewski @piotrkijewski.bsky.social @shadowserver.bsky.social
Virus Bulletin @virusbtn.bsky.social Security information portal, testing and certification body.
Organisers of the annual Virus Bulletin conference.
Jurre van Bergen @jurrevanbergen.nl Exposing the baddies - Here's how to contact me securely: https://gist.github.com/DrWhax/61978d4e7df5291d4cf308f10dc20d5a
Koen Van Impe @cudeso.bsky.social Freelancer. CSIRT. Incident Response. Threat Intelligence. Security, IDS, Linux, OpenBSD, Honeypots, Jazz, Literature, Modern Art. https://cudeso.be
Ronnie Salomonsen @r0ns3n.dk Adversary Methods - Research & Discovery (RAD) Team @Mandiant - Now Part of @GoogleCloud. Former DFIR, Malware & Network Analyst. All tweets are my own.
Alexis La Goutte @alagoutte.bsky.social Packet Fan
Gerald Combs @geraldcombs.bsky.social Creator & lead developer of Wireshark. Works at Sysdig. He / him.
Roland K. @knall.cloud Wireshark Core-Developer and OpenSource Enthusiast. My thoughts are strictly my own. Austrian based
Srivats P (Ostinato) @pstavirs.bsky.social Programmer, Runner, Creator of Ostinato network traffic generator
Betty DuBois @packetdetective.bsky.social Packet mystery solver. Protocol analyst. SharkFest Presenter. It's all there in the packets, we just have to look. #TFD24 #PacketsAreEvidence #ProfilesArePower #womenintech #womeninpackets https://www.bettydubois.com/
Chris Sanders 🔎 🧠 @chrissanders88.bsky.social Digital Forensic Analyst, Researcher, Author
Ed.D.
Founder Applied Network Defense and Rural Tech Fund
Former Mandiant, InGuardians, DoD
Author: Intrusion Detection Honeypots, Practical Packet Analysis, Applied NSM
The DFIR Report @thedfirreport.bsky.social Real Intrusions by Real Attackers, the Truth Behind the Intrusion.
https://thedfirreport.com
Tom Hegel @hegel.bsky.social Hunting nation-state threats, and bending intelligence tech to shape real-world outcomes.
David Szili @davidszili.bsky.social AlzetteInfoSec Managing Partner | BSidesLux Ex-Organizer | SANS Principal Instructor | Posts are mine, all mine!
al3x @cyb3rkitties.bsky.social they/she. spreader of virtual kitties. 🐱
threat intelligence & malware, mostly Russia stuff.
probably reading reports.
nerdy and witchy things. rabbit holes. naps are underrated.
MalwareHunterTeam @malwrhunterteam.bsky.social https://x.com/malwrhunterteam | https://id-ransomware.malwarehunterteam.com/
Security Onion @securityonion.bsky.social By defenders. For defenders.
Peel back the layers of your network and make your adversaries cry.
https://www.securityonion.com
ExecuteMalware @executemalware.bsky.social Malware analyst
Brad @malware-traffic-analysis.net Sharing information on malicious network traffic and malware samples at https://www.malware-traffic-analysis.net/
Johan Berggren @jbn.the4711.net Digital Forensics and Incident Response
@Google :: I write open source tools :: Creator of OpenRelik and Timesketch
https://openrelik.org/
https://timesketch.org/
#DFIR • Posts are my own • he/him
Jacobo Nájera @jacobonajera.bsky.social Tecnólogo. Artesanía tecnológica y derechos a la comunicación. Core team @torproject.org autor en @globalvoices. Trabajé en Pie de Página @fsf.
Juani @juanib.bsky.social Founder @patagon_space 🚀
Saving lifes with 3D printing🪫
Ex security engineer @satellogic 🛰
NASA SpaceApps 2024 Global Winner with #AsturExplorers!
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
Lee Chagolla-Christensen @tifkin.bsky.social I like making computers misbehave. Does stuff at http://specterops.io.
Github: https://github.com/leechristensen
Mastodon: @tifkin_@infosec.exchange
Botconf @botconf.infosec.exchange.ap.brid.gy The Botnet and Malware Ecosystems Fighting Conference
14th ed - Workshops (27th) & Conference (28th-30th) April 2027 in Vannes - Golfe du Morbihan, France
🌉 bridged from ⁂ https://infosec.exchange/@botconf, follow @ap.brid.gy to interact
tomchop @tomchop.me Cybersecurity nerd; #DFIR @ Google by day; FOSS, threat intel and malware analysis by night. Investigator, coder, terrible sense of humor.
https://yeti-platform.io and more (github.com/tomchop)
views are my own • he/him • tomchop.me
Etienne - Tek @tek.randhome.io Technologist @ Human Rights Watch (previously Amnesty, Citizen Lab)
Malware, Threats, Online Investigations, Disinformation, Human Rights and silly memes.
On Mastodon: tek@todon.eu
Also on https://maynier.eu/
@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
BleepingComputer [Unofficial] @bleepingcomputer.com.web.brid.gy BleepingComputer is a premier destination for cybersecurity news for over 20 years, delivering breaking stories on the latest hacks, malware threats, and […]
🌉 bridged from 🌐 https://bleepingcomputer.com/: https://fed.brid.gy/web/bleepingcomputer.com
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.
In Otter News @in-otter-news.bsky.social The life and times of Steve the otter...
David J. Bianco @davidjbianco.bsky.social Threat Hunting, CTI, incident detection & response. SANS instructor. Special interest in helping newbies get started. Also happy to talk about other geeky topics. He/Him. 
Sebastian Garcia @eldraco.bsky.social Cybersecurity Researcher and Assist Prof in ČVUT University. Machine Learning. AI. Detection with IDS/IPS in the network. Reinforcement Learning. Agents. Attacking/Defending. DNS. VPNs. Honeypots. Malware analysis.
Laurie Voss @seldo.com Head of Developer Relations at Arize. Previously: LlamaIndex, Netlify, co-founded npm, awe.sm, started lgbtq.technology. Married to @jovo.design. He/him. 🇹🇹🇬🇧🇺🇸🏳️🌈
BlueSpark|Commissions open @bluespark777.bsky.social Artist making a webcomic called Witch Liar Bone
No AI / NFT please
BSides Belfast @bsidesbelfast.bsky.social #BSidesBelfast will return with #BSidesBelfast26 Thursday September 10th 2026 at the Europa Hotel
https://bsidesbelfast.org
Vangelis tix Stykas @evstykas.bsky.social Father of two sons and ARIS fan.
Named NOT A UNICORN!🦄
IDOR as a service.
@_ifigeneia husband
@atroposai jack of all trades
Never ethical , mostly legal...
Cooper @ministraitor.bsky.social Dutch software dev who spends his free time travelling all over the place to film a whole bunch of (mostly) security conferences.
John Strand @strandjs.bsky.social I do cool Infosec stuff with cool people.
I will light the way by the bridges I burn.
Security BSides Prague @bsidesprg.bsky.social Annual community-driven information security conference | Buy us a coffee: https://tinyurl.com/5y3y7ufu
Workshops: 21-22 April 2026
Conference: 23-24 April 2026
www.bsidesprg.cz
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
Internal Tech Emails @techemails.bsky.social Internal tech industry emails that surface in public records. 🔍 https://techemails.com
Libor Vaněk @liborvanek.cz The World Wide Web fan. VP of Hybrid Cloud Platform at CDN77.com, CTO at datapacket.com
NewsThump @newsthump.com Topical satire from the UK and around the world. You're not supposed to believe what we write, you idiot.
Corey Quinn @quinnypig.com Snarkmonger. Chief Cloud Economist at The Duckbill Group.
he/him.
Get my opinionated take on AWS news: http://lastweekinaws.com/t/
Signal: 833-AWS-BILL (833-297-2455)
Matt Silverlock @elithrar.bsky.social “Who do we say the rules are for?” “Other people.” • VP of Product: Databases & Storage @cloudflare • https://github.com/elithrar • https://twitter.com/elithrar
Boris Tane @boristane.bsky.social building polylane.com | prev observability at @cloudflare.social, founder baselime.io, physics grad, aero postgrad
nominal.dev
Rob Sutter @robsutter.dev Building software engineering teams and coaching them to peak performance.
Cloudflare @cloudflare.social Cloudflare is the world’s leading connectivity cloud, and we have our eyes set on an ambitious goal — to help build a better Internet.
Laurie @laurieontech.dev Developing software one mistake at a time. LEGO obsessed.
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Bob Lord @boblord.bsky.social Cautiously pessimistic, esp. about cyber things.
The owls are not what they seem. 🗻🗻🦉🌲🪵 🍒🥧☕️🍩 🕵🏼♀️ 👍🏻
Also: 🔐🔑🔒
And of course: hacklore.org
Other account: @hacklore.bsky.social
Gareth Heyes @garethheyes.co.uk Web security researcher at PortSwigger. Author of JavaScript for Hackers, Shazzer and Hackvertor.
https://garethheyes.co.uk/#latestBook
Nicolas Grégoire @agarri.fr Web hacker 😈
Burp Suite Pro trainer 👨🏫
Maintainer of @mastering-burp.agarri.fr 🛠️
jstnkndy @jstnkndy.bsky.social Infosec professional, beverage snob, and fantasy book consumer. Vice President @ Atredis Partners. Forever terrified of Kithicor.
Louis Nyffenegger @snyff.pentesterlab.com Founder/CEO/Trainer/Researcher/CVE archeologist
@PentesterLab. Security engineer. Bugs are my own, not of my employer...
David Kuszmar @davidkuszmar.com Black-box Adversarial AI Researcher. Discoverer of a whole mess of exploits.
Lead for AI Research at Gazzetta.xyz
Part of Organizing Group for tbdcon.ai
Spoke at HOPE_16 and IACS-6.
Newsletter: https://emergent-problems.ghost.io/
🇺🇦
Nanda Syahrasyad @nan.fyi occasional writer @ nan.fyi
Luke Jahnke @nastystereo.com Blogging at https://nastystereo.com
Phillip Carter @phillipcarter.dev my dumb blog https://www.phillipcarter.dev/
work: salesforce, past @honeycomb.io and @microsoft.com
play: computers, backpacking, snowboarding, hiking, kayaking
Darth Putin @darthputinkgb.bsky.social Czar for life of all Russians. Master Strategist. Tea connoisseur. Author. Window installer. Wanted in 123 countries. Parody, apparently.
Mohit Mishra @chessman786.bsky.social engineering
discord: https://discord.com/invite/2QWN9y3B9M
tech blogs: https://mohitmishra786.github.io/chessman/
twitter: https://x.com/chessMan786
Kate Pearce @secvalve.bsky.social Aotearoa. Recovered pentester, security pragmatist. Head of security at a place Kiwi know, many other hats. 👩🏽💻🏳️🌈 Personal views. #infosec #cybersecurity Also @Secvalve@cloudisland.Nz
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
David Thiel @grumplicio.us Infosec person focused on harm reduction in technology; fmr tech, data science and T&S research at https://io.stanford.edu & https://tsjournal.org
https://orcid.org/0000-0002-0947-5921
Also music things + open data.
Humphr3y_H3lld0gg$ @lordofthenazgul.bsky.social Interests: red teaming, dev, threat research, sports, lifting, malware research/RE
Red Teamer, former Threat Intel, former MDR, former Network Engineer, former Geoint/Imint
Frycos @frycos.bsky.social Private account! Red teamer @codewhitesec. @frycos@infosec.exchange @frycos@X
ϻг_ϻε @steven.srcincite.io Hermetic Initiate. Exploring conscience and the nature of reality. I also hack things.
nolen @itseieio.bsky.social the internet can still be fun!
https://onemillioncheckboxes.com • http://eieio.games • https://everyuuid.com • https://onemillionchessboards.com
Andrew Cairns @acairns.co.uk Using metaphors and analogies to explain Software Engineering in fun ways: https://youtube.com/@metaphoricallyspeaking
Staff Software Engineer. Passionate about DDD, CQRS, Event Sourcing and Distributed Systems.
Kayaking, too.
William Woodruff (1.3.6.1.4.1.55738) @yossarian.net skeeting in accordance with the universal law.
yossarian.net / blog.yossarian.net
Patrick Howell O’Neill @patrickhowelloneill.com Journalist at Bloomberg News in DC. Signal: @howelloneill.01, email: patoneill1@bloomberg.net https://www.bloomberg.com/authors/AXb8dLPHBFc/patrick-howell-oneill
Mike Julian @mikejulian.com Cofounder/CEO at DuckbillHQ.com. @mike_julian on Twitter
Matthew Kennedy @matthewkennedy.bsky.social Manager at Microsoft Threat Intelligence Center (MSTIC). Adjunct Faculty at Georgetown University. Penn State Alum. Tweets are my own.
Randall Munroe @xkcd.com 
Andrew Schmelyun @aschmelyun.com Software engineer with too many ideas and poor impulse control
🔗 aschmelyun.com
Sam Rose @samwho.dev That guy who makes visual essays about software at https://samwho.dev.
Developer Educator @ ngrok.com
He/him.