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
Silas Cutler @silascutler.bsky.social You may know me from your server logs.
#Malware, Hacks, Internet Scanning, #CTI
thehappydinoa @thehappydinoa.dev aka Aidan | Security Researcher, Developer, and Collaborator at @censysio | Opinions are my own
AlphaHunt Converge @alphahunt.io The signal moves first.
FIRST.org @first.org Improving Security Together
Palo Alto Networks @paloaltonetworks.com Our Mission: Cybersecurity partner of choice, protecting our digital way of life.
Ariana Mirian @arianamirian.bsky.social I get excited about empirical measurement and improving security. Senior Security Researcher @ Censys, avid birder, views my own | http://arianamirian.com
Andrew Northern @exraritas.bsky.social 🔮 Senior Threat Researcher at @proofpoint 🔮 | Kindness and Compassion | Not a reflection of the opinions or policies of my employer | Andrew Northern
Ars Technica @arstechnica.com Original news, reviews, analysis of tech trends, and expert advice on the most fundamental aspects of tech.
Decipher @deciphersec.bsky.social Security without fear since 2018.
https://decipher.sc
https://www.youtube.com/@DecipherSec
Sponsorship inquiries: info@decipher.sc
CyberScoop @cyberscoop.bsky.social We report on news and events impacting technology and security. https://linkin.bio/cyberscoop/
CYBERWARCON @cyberwarcon.bsky.social CYBERWARCON is a one-day conference in Arlington, VA focused on the specter of destruction, disruption, and malicious influence on our society through cyber capabilities.
cyberwarcon.com
Cyber Insurance News @cyberinsurancenews.bsky.social The Leading Source for Cybersecurity Insurance News, Insights and Data
CyberInsuranceNews.org
Gate 15 @gate15.bsky.social Cyber and all-hazards risk and resilience. At Gate 15 we apply a threat-informed & risk-based approach to analysis, resilience, & operations, helping to secure America’s People, Places, Data, & Dollars.
SentinelOne @sentinelone.com The world’s most advanced, autonomous AI-powered cybersecurity platform. We empower the world to run securely, with leading organizations trusting us to Secure Tomorrow™. Secure your enterprise: http://sentinelone.com/request-demo/
Help Net Security @helpnetsecurity.com Independent cybersecurity news since 1998.
PIVOTcon @pivotcon.bsky.social Threat Research Conference in Malaga, Spain, 6-8 May 2026
#StayTuned #ComingSoon #PIVOTcon #PIVOTcon26
https://pivotcon.org
The Vertex Project @vertexproject.bsky.social We create technology for analytical teams to provide intelligence-driven insights to decision makers.
For more info, visit https://vertex.link!
Dave Lindstrom @davelindstrom.bsky.social Cyber pro. Beerie. Bad but fun golfer.
Alan Neilan @aneilan.bsky.social security researcher
https://aneilan.github.io
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Craig Casburn @r0kthecasbah.bsky.social Cyber Threat Intelligencer
Interested in all things cybercrime, nation-state, disinformation, and anything else emerging.
NetLib Security @netlibsecurity.bsky.social Transparently encrypt data on legacy systems, servers, devices & distributed applications. Encrypt stored data right out of the box quickly and with confidence.
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Kevin Collier @kevincollier.bsky.social I cover digital threats for NBC News. Tip me! @kevincollier.01 on signal, kevin.collier@nbcuni.com. NYC, from West Virginia.
Christopher L. Keller @chrislkeller.com Award-winning journalist for The Associated Press.
Stretch-4 putting in work on the offensive and defensive glass.
Aspiring to play lead and rhythm guitar.
My posts disappear.
Robert Evans (the Only Robert Evans) @iwriteok.bsky.social I am the host of Behind the Bastards and overlord of podcasts at Cool Zone Media
Alyssa Miller 🦄👩✈️ @alyssam-infosec.com Hacker, CISO, and commercial pilot. Certified Bluesky Elder. Author and International Speaker, Chief advocate of #DoBetterBeBetter
Compassion and empathy are traits in short supply but necessary to make this world a better place.
alyssasec.com
The Information Security Collective | 501(c)3 Non-Profit @isc.bsky.social 
Infosec News @infosecnews.bsky.social Powered by the folks at Red Team Arts!
Gallery - coming soon
redteamarts.com
Glenn @ntkramer.bsky.social Elder Millennial | 💼 Cybersecurity | I ask 'why?' a lot | Pro Oxford Comma | Fix it! | He/Him | #BLM | Views are my own.
Supriya @supriyam.bsky.social Now Google Threat Intelligence & doing fun things at DistrictCon, fmrly GreyNoiseIO and RecordedFuture, SAISHopkins MASCI alumna | ♡s & rts are my own, my employer definitely doesn’t like Taylor Swift that much
Ron Bowes @iagox86.bsky.social Staff Product Detection Engineer @ Censys. https://skullsecurity.org
Mostly post about professional stuff, maybe some improv stuff and maybe even magic some day. Seattle-based (originally Canadian), queer, cybersecurity nerd.
(He/him)
remy 🐀 @remyhax.bsky.social Dad, Vuln Research, Packet poker. He/Him. DM's open, send me something cool you built. Top percentage Rattata.
https://remyhax.xyz/
Lou @loustella.com Threat Researcher
NJ->TX->PA
Contains Multitudes.
mle @whyli.me Trying to leave things better than I found them, including the Internet • runner • security research @ Censys 🧡 she/her • @mle@infosec.exchange
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
Ortelius Open Source Vulnerability Management Project @orteliusos.bsky.social Code-level vulnerabilities pose a significant risk in the intricate landscape of cloud-native environments. Ortelius provides end-to-end monitoring, reporting, and faster remediation of security issues throughout the software supply chain. 
Center for Cybersecurity Policy and Law @cyberseccenter.bsky.social Since 2017, CCPL has combined policy expertise with convening power to bring industry leaders & policymakers together to better manage security threats.
https://www.centerforcybersecuritypolicy.org/
Dennis @dennisf.bsky.social Gentleman of leisure. Legendary wedding guest. I wrote two of the best books you haven't read. Friend of hackers. https://decipher.sc
UC Berkeley Center for Long-Term Cybersecurity @cltcberkeley.bsky.social Helping society anticipate and address tomorrow's information security challenges, in order to amplify and extend the upside of the digital revolution.
Best of r/cybersecurity @cybersecurity.page Automatically summarizes the hottest posts on r/cybersecurity so you can stay up-to-date wherever you are. Uses open source LLMs.
Operated by @tweedge.net
Bot code @ https://github.com/r-cybersecurity/best-of-bot
Cybersecurity News @cybersecuritynews.bsky.social Home of the Cybersecurity News hub. Information sharing and raising awareness. Think, talk and grow while on the go. Visit https://www.cybersecuritynews.today/ for more coverage.
Cybersecurity News Today! is on buymeacoffee.com/cybersecuritynewstoday
Kristen Eichensehr @keichensehr.bsky.social Law professor. Editor @justsecurity.org. Working on foreign relations, cybersecurity, and national security.
Jeffrey Vagle @jvagle.me Law professor | Privacy, AI*, and Technology & Society | Veteran | Offering bespoke mentor-mentee relationships | There is music yet to play | https://tractatus.org
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
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.
Violet Blue® @violetblue.bsky.social Awarded author, journalist: cybersecurity, privacy, Covid. WIRED, PopSci, Spinoff, Engadget, FT, IFJ. Visiting Scholar at Stout Research Centre, NZ. Black Hat keynote. S/her.
Bio: about.me/violetblue
More: linktr.ee/viblue
News: patreon.com/violetblue
Dmitri Alperovitch @dmitri.silverado.org Geopolitics, Russia, China, Cyber
Chairman @silverado.org
Author of WorldOnTheBrink.com
Host GeopoliticsDecanted.com podcast
Founder Alperovitch Institute for Cybersecurity Studies at Johns Hopkins SAIS
Co-Founder CrowdStrike
@DAlperovitch elsewhere
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
Jeff Kosseff @jkosseff.bsky.social Silha Professor of Media Ethics and Law and Director of the Silha Center for the Study of Media Ethics and Law, University of Minnesota, jeffkosseff.com
AJ Vicens @ajvicens.bsky.social Cybersecurity correspondent at Reuters; former Mother Jones, CyberScoop. Will bore you with skateboarding, UFO lore or Denver Broncos minutiae on request. Signal: ajvicens.57, additional contact methods: https://tinyurl.com/47jc45h7
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
ICS Advisory Project @advisoryics.bsky.social The ICS Advisory Project is an open-source project that provides Critical Infrastructure Security Agency (CISA) ICS Advisory data in CSV format and supports multiple interactive dashboards for OT/ICS Asset Owners' vulnerability management.
Stefani Jones @stefanijones.bsky.social Dir of Cyber Programs, @aspendigital.bsky.social. Past lives: CISA, Microsoft, White House. Personal account.
Christian Aretz @aretz.berlin #teamdatenschutz #privacylaw #CISM #CISA #CIPPE #CIPM #CIPT #FIP #baroquemusic #team466Hz #teamsquirrel #Rotary #Berlin_Friedenau 💚
🌍 aretz.berlin
Stanford CISAC @stanfordcisac.bsky.social Stanford's Center for International Security and Cooperation produces knowledge to build a safer world and trains the next generation of security specialists.
Visit us at: https://cisac.fsi.stanford.edu/
Jack Cable @jackhcable.bsky.social CEO & Co-founder at Corridor.
Previously: Senior Technical Advisor at CISA, TechCongress in the Senate, Krebs Stamos Group, CISA, Defense Digital Service, and Stanford.
Kurt Opsahl @kurtopsahl.bsky.social Counsel at RCJ Law, former Deputy ED and GC of EFF, now EFF Special Counsel, president SRLDF, board emeritus USENIX, advisor Open Archive, former Technical Advisory Council CISA. Skeets are my own.
æva black @aeva.online F/OSS hack of minor notoriety. former CISA, MSFT, OSI, OpenStack, & more.
🏳️⚧️ & 🏍️ & 🇪🇺.
all opinions 💯 mine.
Zakir Durumeric @zakird.com Internet Security, Trust, and Safety Researcher. Stanford CS Faculty, Censys Founder and Chief Scientist, ZMap Creator. https://zakird.com/
HD Moore @hdm.io runZero & Metasploit
BleepingComputer @bleepingcomputer.com Breaking cybersecurity and technology news, guides, and tutorials that help you get the most from your computer. DMs are open, so send us those tips!
hrbrmstr 🇺🇦 🇬🇱 🇨🇦 🏳️🌈 @hrbrmstr.dev a.k.a. boB Rudis • 🇺🇦 Pampa • Don't look at me…I do what he does—just slower. #rstats #js #duckdb #goavuncular•👨🍳•✝️• 💤• https://dailydrop.hrbrmstr.dev • Maine🦞
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app