Gareth Heyes @garethheyes.co.uk Web security researcher at PortSwigger. Author of JavaScript for Hackers, Shazzer and Hackvertor.
https://garethheyes.co.uk/#latestBook
PortSwigger @portswigger.net We are a leading provider of software and learning on web security. We make Burp Suite and the Web Security Academy.
hakluke @hakluke.com Dad, hacker, solo founder of haksec.com and hackercontent.com.
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
OWASP Juice Shop @owasp-juice.shop Probably the most modern and sophisticated insecure web application. Only we offer a 100% @owasp.org Top Ten incompliance guarantee! Skeets by @bkimminich.bsky.social
OWASP® Foundation @owasp.org We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide. Famous for OWASP Top 10
Orange Tsai @orange.tw This is 🍊
James Kettle @jameskettle.com Director of Research at @portswigger.net
Also known as albinowax
Portfolio: https://jameskettle.com/
Just Security @justsecurity.org Forum on law, rights, and security. Editorial Board includes professors, top civil society attorneys, former senior government officials.
Pete Shaw @ptshaw.bsky.social Research Scientist at Google DeepMind. Mostly work on ML, NLP, and BioML. Based in Seattle.
http://ptshaw.com
- K Kate Larson @ktlr.bsky.social CS prof at University of Waterloo and Research Scientist at Google DeepMind.
Gabriel Dulac-Arnold @gabepsilon.bsky.social Gemini Thinking @ Google DeepMind. Previously @ Google Brain. Previously @ DeepMind. Intelligent Agents
Matej Balog @matejbalog.bsky.social Research Scientist at Google DeepMind, working on algorithm discovery using AI: AlphaTensor, FunSearch, and beyond
Max Vladymyrov @mxvl.bsky.social Research Scientist @ Google DeepMind
How To Read This Chart @howtoreadthisch.art A weekly newsletter about data, data visualizations and the aggregated weirdness of the world around us. A pbump.com project.
https://howtoreadthisch.art
Google Open Source @opensource.google Announcing new open source releases, exploring projects, sharing how we approach FOSS, and supporting communities around the world.
Jeff Dean @jeffdean.bsky.social Google Chief Scientist, Gemini Lead. Opinions stated here are my own, not those of Google. Gemini, TensorFlow, MapReduce, Bigtable, Spanner, ML things, ...
Robert Picardo @robertpicardo.bsky.social Actor, collectible, Planetary Society Board Member and AI since the 90s .
It's FOSS @itsfoss.bsky.social Web portal focusing on Linux and Open Source.
Follow us for
- Linux and Open Source news
- Linux tips and tutorials
- Linux and geek memes
rob pike @robpike.io Long career as a dilettante at Bell Labs Research and Google, mostly building weird stuff no one uses, but occasionally getting it right, such as with UTF-8 and Go.
The Verge @theverge.com Covering life in the future
Subscribe here: https://www.theverge.com/subscribe
Yael Grauer @yaelwrites.com Pulitzer-winning investigative tech reporter. Cybersecurity educator.
🙋🏻♀️ #opentowork
📣 https://yaelwrites.com
💌 yael@yaelwrites.com
💥 #alwaysantifascist
☕️ Support my work: https://ko-fi.com/kofisupporter11745
OSINT Resources Hub @osintresourceshub.bsky.social A vetted directory of OSINT tools, organized by how you actually investigate - not by what shape the software ships in.
🧰 https://osintresourceshub.com/
✅ https://osint-research.com
Firewalls Don't Stop Dragons @firewalldragons.bsky.social Podcast host, author, blogger, educator, advocate for computer #security & #privacy, software engineer (retired).
fdsd.me/blog
fdsd.me/book
fdsd.me/podcast
CodeTV @codetv.dev tv for developers, brought to you by @jason.energy and friends
https://codetv.dev
We created Web Dev Challenge, Leet Heat, Learn With Jason, and more!
Senator Ron Wyden @wyden.senate.gov U.S. Senator for Oregon. Rotisserie chicken enthusiast. Senate’s resident privacy hawk.
senatefinance.bsky.social
wydenpress.bsky.social
DroneBomber @dronebomber.bsky.social DroneBomber OSINT | Tracking UAVs, real-time maps, strike analysis. Join 55k+ on Telegram: http://t.me/dronebomber — hop in!
OONI @ooni.org Exposing internet censorship worldwide since 2012.
Open data. Free software. Global community.
https://ooni.org/
Joe Tidy BBC News @joetidy.bsky.social Cyber Correspondent, BBC News. Author of Ctrl+Alt+Chaos. I cover cyber security, online safety, crypto, AI, social networks and everything 💻📱📡. Global news mainly. DMs always open for tips/ feedback.
@intrusiontruth.bsky.social @intrusiontruth.bsky.social 
Take9 @pausetake9.bsky.social Protect yourself and others from cyber attacks with a 9-second pause. Learn more about #Take9 👉 https://bit.ly/_PauseTake9
Summercon @summerc0n.bsky.social SummerCon 2026 is July 10-11. We are the official bsky account for SummerCon, America's Oldest Hacker Conference. Tip your bartender. https://summercon.org
ArchLinux @archlinux.activitypub.awakari.com.ap.brid.gy Interest: ArchLinux btw (details)
Awakari _interest_ is an automated account publishing a relevant only content.
Create your own interest in […]
[bridged from https://awakari.com/sub-details.html?id=ArchLinux on the fediverse by https://fed.brid.gy/ ]
r/netsec bot @r-netsec.bsky.social Mirrors r/netsec, "a community-curated link aggregator of technical information security content." Unofficial. Operated by @tweedge.net, open source @ https://github.com/tweedge/xpost-reddit-to-fediverse
BSidesPGH @bsidespgh.bsky.social Pittsburgh's Premiere InfoSec Conference. #BSidespgh
Friday July 10th, 2026 at Rivers Casino
https://www.bsidespgh.com
MinuteCon @minutecon.org 0ne If By LAN, Zero If By C2!
Boston's one and only independent Hacker conference.
https://linktr.ee/MinuteCon
https://minutecon.org/
Steve Thompson @poohstix16.bsky.social Infosec (CISSP, GPEN, GCIH, GCFE, GREM) & ops, currently IR. Quaker, former Friends school board member. BLM, anti-racism, word play, language, quirky humor. Studied cognitive science once upon a time and it stuck. Se habla español, a veces.
Tech Influence Watch @influence.citationneeded.news Follow the cryptocurrency and artificial intelligence industries’ influence on elections in the United States. By @molly.wiki, creator of @web3isgoinggreat.com.
web3 is going just great @web3isgoinggreat.com tracking only some of the many disasters happening in crypto, defi, NFTs, and other blockchain-based projects since 2021 • created by @molly.wiki
web3isgoinggreat.com
Socket @socket.dev Socket is the #1 software supply chain security platform. Next-gen SCA + SBOM + 0-day prevention. LOVED BY DEVELOPERS.
https://socket.dev
McAfee @mcafee.com We make life online safe and enjoyable for everyone.
ReversingLabs @reversinglabs.com ReversingLabs is the trusted name in file and software security.
RL - Trust Delivered.
MalWhere? @malwhere.bsky.social 👨💻APT Insights
🕵️♂️Tracking Cyber-Espionage Threats
💻Uncovering the Dark Side of the Digital World
👇Latest Threat Analysis & Updates
https://malwhere.substack.com/
Simon Willison @simonwillison.net Independent AI researcher, creator of datasette.io and llm.datasette.io, building open source tools for data journalism, writing about a lot of stuff at https://simonwillison.net/
netbiosX @netbiosx.bsky.social Purple Team
Siena Anstis @sanstis.bsky.social lawyer | senior legal advisor @ The Citizen Lab | PhD Fellow in Law @ University of Oslo | parent | currently: transnational repression, digital surveillance & international human rights law | EU-based (Geneva, Oslo) | https://sienaanstis.com
The Iron Sheik @theironsheik.bsky.social THE GREATEST BUBBA. NOT THE REAL JUST A RESPECT FOR LEGEND OF THE EARTH.
Dominic White @singe.bsky.social Hacker at Orange Cyberdefense's SensePost Team
https://hello.singe.za.net/
The Associated Press @apnews.com Advancing the power of facts, globally 🌎
HardHatBrigade @hardhat.rocks We like hats.
Actually, we LOVE hats.
Join us.
Randall Munroe @xkcd.com 
@hak5.bsky.social @hak5.bsky.social 
Great Scott Gadgets @greatscottgadgets.bsky.social Makers of HackRF One, Cynthion, YARD Stick One, and more. We design open source tools for innovative people.
Ian Scott @polpo.org I'm currently cooking up PicoIDE, a hardware IDE/ATAPI emulator, launching on Crowd Supply: https://www.crowdsupply.com/polpotronics/picoide
I also made PicoGUS: https://picog.us
Also on Fedi at https://chaos.social/@polpo
In Colorado, USA
WiGLE.net @wiglenet.bsky.social All the networks, found by everyone.
Phish Stories @phishstories.bsky.social DEF CON Official Contest - Make them click. Make us laugh. Win a human badge for entry into DEF CON. Are you a Wizard? A Jester? Or the Ruler?
https://phishstories.org
lcamtuf @lcamtuf.coredump.cx Blog: https://blog.coredump.cx/archive
Homepage: https://lcamtuf.coredump.cx
Deth Veggie @dethveggie.bsky.social Herr Doktor Professor Deth Vegetable -- CULT OF THE DEAD COW -- .ooM
Hacker / Archaeologist / Gadabout / Professional Something-or-Other. Anti-fascist and Pro-science. As the old axiom says, reality has a liberal bias.
Nazis need to be punched.
Alissa Torres #DFIR @alissa.bsky.social 
evilmog @mog.evil.af X-Force, Shenanigans, Hashcat, Church of WiFi, Black Badges, MUDs, Dad Jokes, some Infosec.
Twitter: @evil_mog
Jessica Hyde @b1n2h3x.bsky.social DFIR, USMC Vet, she/her
Grifter @grifter801.bsky.social Threat Hunting & DFIR, Hacker, Geek, DEF CON & Black Hat CFP Review Board Member, DEF CON Contest/Events/Demo Labs Dept. Head, Black Hat Staff, DC801 Founder
BSides Orlando @bsidesorl.bsky.social BSides Orlando 2026
Workshops: September 25th
Conference: September 26th
http://bsidesorlando.org
AmandaGPT @zerotrustbarbie.bsky.social ⚠️ Access Denied by Default ⚠️
Infosec's least favorite person💁♀️🔏
Identifies as a problem 👀 🤷♀️
Pro Internet Troll 🧌🔍
Opinions are my own. 🗣🎙
Viewer discretion is advised. 👀📺
J9 @j9.2600.blue Hacker. Mom. Defcon Goon.
Cannabis should be federally legalized.
Binary Defense @binarydefense.com We bring the attacker’s mindset to every move, building defenses specifically designed to combat threats. Founded and led by practitioners who live and breathe security, we know what matters in the trenches - because we’re in them with you.
@edskoudis.bsky.social @edskoudis.bsky.social 
Sam Cole @samleecole.bsky.social journalist / co-founder @404media.co
signal: sam.404 (sensitive comms)
sam@404media.co (everything else)
complain about the paywall, catch a block
@l0pht.bsky.social @l0pht.bsky.social 
ExecuteMalware @executemalware.bsky.social Malware analyst
HackerOne @hacker0x01.bsky.social The Only official HackerOne bsky account.
Peace of mind from security's greatest minds.
#HackForGood
Joe Gray aka JOSINT @c3pjoe.bsky.social Threat Intel; Author: @nostarch; 5x Black Badge; Views: my own; https://nostarch.com/practical-social-engineering
Zoey Selman (V3rbaal) @v3rbaal.bsky.social #ThreatIntel #InsiktGroup #RecordedFuture | OG #BlueTeamVillage #TraceLabs #L0nelyH4ckers | #DEFCON #DemoLabs Co-Lead
SAINTCON @saintcon.bsky.social Annual Information Security conference based in Utah.
https://saintcon.org
Blue Team Con @blueteamcon.com Blue Team Con is an annual cybersecurity conference built for defenders, inclusive of anyone interested in safeguarding organizations.
https://blueteamcon.com
Next Conference:
Training: 10-11 September 2026
General Conference: 12-13 September 2026
Sarah Edwards @iamevltwin.bsky.social 👩🏻💻 Apple Forensics Nerd📱 - Head of DFIR @iverify.bsky.social | Author/Senior Instructor @sansforensics
Phil Hagen @philhagen.com DFIR, security, networking, all things tech, OneWheel, Radinn, travel, LEGO, and probably a whole lot more in small and sporadic bits. (Squirrel!)
Fierce and unapologetic ally. He/him/his.
Visual Studio Code @vscode.dev The open source AI code editor
METR @metr.org METR is a research nonprofit that builds evaluations to empirically test AI systems for capabilities that could threaten catastrophic harm to society.
PauseAI @pauseai.bsky.social Community of volunteers who work together to mitigate the risks of AI. We want to internationally pause the development of superhuman AI until it's safe.
https://pauseai.info
Heather Barnhart @heatherbarnhart.bsky.social DFIR, wife, mama, researcher, author, instructor, veteran. Trust but validate. Thoughts are mine. SANS Fellow and Cellebrite.
Mari DeGrazia @maridegrazia.bsky.social Digital Forensics and Incident Response
SANS Instructor
CyberSecurity
VR E-Sports
Maker
Evergreen Intel @vcdgf555.bsky.social OSINT, geolocations, air/sea data. Snarky AvGeek.
Cites: NYT, Мілітарний, Newsweek, The Aviationist, TWZ, A&SF Mag
"Sharp-eyed aviation buff & flight tracker" ~ Brian Williams
https://buymeacoffee.com/vcdgf555
She/her
CovertSwarm @covertswarm.bsky.social 
kat cosgrove @kat.lol village sorcerer @villagesql.com
kubernetes steering committee, release team subproject lead, sig docs tech lead, uwubernetes, colorado springs via memphis
she/they
Dhruv Mehrotra @dmehro.bsky.social Reporter and Computer Guy at WIRED. Previously: Bloomberg News, Center for Investigative Reporting, Gizmodo, eyebeamnyc.
Tips: dhruv_mehrotra@wired.com /@dmehro.89 on Signal
Cisco Security @ciscosecurity.bsky.social Innovating where security meets the network. Powered by purpose. Critical infrastructure for the AI era.
Cisco Talos Intelligence Group @talosintelligence.com Cisco Talos defends Cisco customers with trusted global cybersecurity intelligence. Support requests: https://talosintelligence.com/support
Nozomi Networks @nozominetworks.bsky.social Minimize risk and maximize resilience with exceptional network and endpoint visibility, advanced threat detection, and AI-powered data analysis.
securityrss.ai @securityrss.bsky.social 🔗 https://securityrss.ai
An AI-powered information security news aggregator. Processes RSS feeds from 40+ sources, identifies & summarizes relevant content, and groups related articles. Please be mindful of possible hallucinations. Automated account.
Ransomware.live @ransomware.live Ransomware.live tracks & monitors ransomware groups' victims and their activity. It was created by @Julien.io, a security researcher. The website provides information on Ransomware groups, victims, negotiations, payment demands and much more.
Jen Gentleman @jenmsft.bsky.social I work on the Windows engineering team at Microsoft and help with feedback for Start menu, Settings, taskbar, input + more
You can find me on most of the other social media apps including Twitter and reddit with the same account name @jenmsft
Phrack Zine @phrack.org since 1985
https://phrack.org
Andrea @downing.bsky.social Co-founder of The Light Collective
www.lightcollective.org
Security Researcher
Health Infosec
Views are my own.
SANS.edu Internet Storm Center @sansisc.bsky.social http://isc.sans.edu - Global Network Security Information Sharing Community - Daily blogs and cyber security news podcast.
@bsidescharm.bsky.social @bsidescharm.bsky.social 
fwd:cloudsec @fwdcloudsec.org Non-profit, community-based cloud security conference.
RansomLook @ransomlook.bsky.social Yet an other Ransomware gang tracker - Opensource project: https://github.com/RansomLook/RansomLook - Website: https://www.ransomlook.io
Sergiu Gatlan @serghei.bsky.social Cybersecurity/tech reporter @BleepingComputer / serghei.ro
Tor Project @torproject.org We're a nonprofit defending your privacy and freedom online. Download Tor Browser for protection against surveillance and censorship. http://t.me/TorProject