Microsoft Threat Intelligence @threatintel.microsoft.com We are Microsoft's global network of security experts. Follow for security research and threat intelligence. https://aka.ms/threatintelblog
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
Justin Hysler @hysler.net Father, Husband, CTI, DFIR, Fan of Mom Rock/Dad Jazz, Military History and Goats. www.hysler.net
InfoSecSherpa 🏔️ Lake Ontario 🚣♀️ @infosecsherpa.bsky.social #Librarian turned #InfoSec & #DataPrivacy practitioner. #Philly area hoagie mouth. InfoSecSherpa and Sherpa Intelligence: Your Guide Up a Mountain of Information! Portfolio: https://linktr.ee/infosecsherpa #GoBirds
Bluesky Synthesizer Community #synthsky @synthsky.bsky.social Los Angeles - London
Follow for all things synthesizer!
We’ve got a strong synthesizer community here on Bluesky. Join us!!
#synthsky #synthfam #synthesizer #modular #electronica #ambient
Kitty @twitchkitty.bsky.social Meow
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
Rapid7 @rapid7.com Rapid7 is a leader in AI-powered managed cybersecurity operations, trusted to advance organizations’ cyber resilience. Unified exposure and detection enable 11,500+ customers to reduce risk and disrupt attackers.
🔗: rapid7.com
I Am The Cavalry @iamthecavalry.org 
TrustedSec @trustedsec.com End-to-end Cybersecurity consulting team leading the industry, supporting organizations, and giving back. #HackThePlanet
https://trustedsec.com/
Katie Moussouris (she/her/she-hulk/she-ra)🌻 @k8em0.bsky.social Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker
AI Village @aivillage.bsky.social Hackers, ML researchers, and data scientists focused on the use and abuse of AI; join us!
Discord: http://discord.gg/xMK7fuu
Twitch: https://twitch.tv/aivillage
Whitney Merrill @wbm312.bsky.social I nudge people to care about privacy and security. CPO/DPO. Privacy/infosec lawyer. Hacker. Fighting for privacy, digital civil liberties & the users. Ex @EA @FTC |my views are my own. I used to post on Twitter at @wbm312.
Space Rogue @spacerog.bsky.social I fight for the user. | L0pht Heavy Industries - ATStake - Whacked Mac Archives - Hacker News Network - Cyber Squirrel 1 | Semgrep
Daniel Dieterle @cyberarms.bsky.social Writer, Weightlifter, Martial Arts -
"Basic Security Testing with Kali Linux, 4th Edition"
"Security Testing with Raspberry Pi, 2nd Edition"
"Advanced Security Testing with Kali Linux"
No Starch Press @nostarchpress.bsky.social The finest in geek entertainment.
Email us: info@nostarch.com
We're live M-F, 7am-6pm PDT
https://nostarch.com/
Sam Swift 🏎️🎧🦊 @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 🌈🏳️⚧️Ally.
Joe Agler @aglerj.bsky.social Senior IT Security Engineer
GCWN, GPEN, GCUX, CISSP, CISA, CyberArk Sentry & CDE.
http://medium.com/@aglerj
http://KeyVaultSolutions.com
Ray [REDACTED] @rayredacted.com Past: Host of "Tribe of Hackers"; Assoc. Producer "Darknet Diaries."
Current: Cybersecurity researcher and executive. Also, father of the fastest climber who has ever lived. Seriously.
Warning: I talk about my son ALOT
“Ut scandis, alios subleva.”
Rami (drunkrhin0) 🇵🇸 @drunkrhin0.notramimalek.zip Infosec | Photographer | West Australian (the other side from sydney/melbourne)
Kyle Hubert @aptgetkubert.bsky.social Blue Team Host/Network Analyst. Interested in cyber threat intelligence, Purple Teaming, and doing cool stuff with LOLBins/drivers
All my opinions are my own.
PortSwigger @portswigger.net We are a leading provider of software and learning on web security. We make Burp Suite and the Web Security Academy.
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
5pm Incident @5pmincident.bsky.social 
Project on Predatory Student Lending @eddebtjustice.bsky.social The leading legal organization representing students against the predatory for-profit college industry.
Learn more on our site: www.ppsl.org/
This is the only official account for PPSL.
@sethdrums.bsky.social @sethdrums.bsky.social - F Jon Gorenflo @flakpaket.bsky.social attackd.com
Robin Marx @programmingart.bsky.social Network protocols (HTTP/2, HTTP/3, QUIC) and Web performance
at Akamai. PhD. Dad. Longsword fencer. He/Him.
http://linkedin.com/in/rmarx
@programmingart@mastodon.social
Blue Team Village @blueteamvillage.bsky.social DEF CON Village, bringing free Blue Team training and content to the community.
blueteamvillage.org
Terrible Maps @terriblemapshq.bsky.social The home of terrible maps with a pinch of humour
terriblemaps@gmail.com
Randall Munroe @xkcd.com 
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
Skickar @kodykinzie.bsky.social Ethical hacker - http://www.hack.gay
DOOM @doom.com DOOM: The Dark Ages | Revelations is now available on Xbox Series X|S, PC & PlayStation 5.
ESRB RATING: M
Uncle Joe @sydseter.com Co-leader OWASP Cornucopia. If you like what we do for open source, visit our code repository https://github.com/OWASP/cornucopia and give us a star ⭐
🌈 «Difference is of the essence of humanity» 🦄 – John Hume
#appsec #owasp #cornucopia #threatmodeling
Jayson E. Street💜🤗💜 @jaysonstreet.bsky.social Hacker - Helper - Human
JaysonEStreet.com
Burp Suite @burpsuite.bsky.social Burp Suite is the leading software for web security testing.
Bugcrowd @bugcrowd.com The leading provider of crowdsourced cybersecurity solutions purpose-built to secure the digitally connected world...Unleash Ingenuity™
Dark Reading @darkreading.bsky.social One of the most widely read and trusted cybersecurity news sites, providing IT security professionals informed insights into the latest news and trends.
Rachel Tobac @racheltobac.bsky.social Hacker & CEO @SocialProofSec security awareness/social engineering training, videos, talks | 3X @DEFCON🥈 | Ex Chair @WISPorg | Ex @CISAgov Technical Advisory Council under Director Jen Easterly
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
Tanya Janca | SheHacksPurple @shehackspurple.bsky.social Secure Code Trainer - Best-selling author of Alice and Bob Learn Secure Coding & Alice and Bob Learn Application Security. #AppSec she/her
https://shehackspurple.ca 🌻
unix-ninja @unix-ninja.bsky.social Team Hashcat + Hacking stuff + Running Information Security in FinTech + I like chess + Cracking Passwords + Making music
Accidental CISO @accidentalciso.net I accidentally became the CISO. I didn't want this job, but the job chose me. I'm scared, and I want to go home.
https://www.accidentalciso.net
The DFIR Report @thedfirreport.bsky.social Real Intrusions by Real Attackers, the Truth Behind the Intrusion.
https://thedfirreport.com
3D Realms @3drealms.bsky.social Redefining AAA with Action, Attitude, Adrenaline
Welcome to 3D REALMS.
Present: Tempest Rising, Phantom Fury, RIPOUT, Ion Fury
Past: Duke Nukem, Max Payne, Prey
nixCraft @cyberciti.biz Enjoy Linux & Unix-like systems, open-source software, and programming/compsci? Into Sysadmin & DevOps? Follow us to make the most of your IT career! Discover new tools and apps daily, plus a dose of humor ⤵️
https://www.cyberciti.biz
Black Hills Information Security @bhinfosecurity.bsky.social Specializing in pen testing, red teaming, and Active SOC. We share our knowledge through blogs, webcasts, open-source tools, and Backdoors & Breaches game.
blackhillsinfosec.com & poweredbybhis.com
IEMBOT SPC @spc.weather.im Syndication of NWS Storm Prediction Center content via IEMBOT. @akrherz.bsky.social is my father
DFIR Diva @dfirdiva.bsky.social DFIR Analyst
Blog: https://dfirdiva.com/
Free & Affordable Training (DFIR, OSINT, Cybersecurity): https://training.dfirdiva.com/
Community Listings: https://communiy-listings.dfirdiva.com/
Apogee Entertainment @apogeeent.com The Height of Gaming Excitement.
Cats with Jobs ⚒️ @catworkers.bsky.social Official account • good cats being workers • unionized • mascot: Jobert the cat • Business/credit/removal: translatedcats@gmail.com • Buy me a coffee: https://ko-fi.com/translatedcats/
Bluesky Video Downloader @bsdownloader.bsky.social Download Bluesky Videos in HD.
blueskyvideodownloader.com
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!
Ian @ Dangerous Prototypes @buspirate.bsky.social Ian@dangerousprototypes.
Slacker hacker,
Instructable author,
Hack a Day writer,
Purveyor of hardware at Dangerous Prototypes and DirtyPCBs.
Organizer of Hacker Camp Shenzhen.
I made pink capacitors once too.
We're also on:
@buspirate@mastodon.social
vx-underground (automated mirror) @vxundergroundre.bsky.social The largest collection of malware source code, samples, and papers on the internet.
Password: infected
(unofficial, this is a bot! Maintained by a private individual, the bot can't handle retweets or replies, support soonish)
cat 😊 @cats.bsky.social cat club🐈⬛❤️
OSINT Techniques @osinttechniques.bsky.social https://www.forensicosint.com/
Ernie @eezema.bsky.social IT Manager | Cybersecurity Enthusiast | PhD Student
Brodie @bman013.bsky.social Cyber Security Professional; Mentor; Founder of Division 5 Pty Ltd; Founder of BSides Brisbane; SecTalks Organiser; CrikeyCon Crew; Domain Hoarder; Serial Project Starter; Dog Dad (x2);
DEF CON @defcon.bsky.social The world’s premier hacker conference. Serving the global hacker community since 1993.
Defcon.org
Forum.defcon.org
Defcon.social
The Diana Initiative @dianainitiative.bsky.social 501c3 nonprofit To create a more inclusive infosec industry.
GreyNoise @greynoise.io GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
Whitney Champion 🍪 @whit.zip security architect / co-founder @digitaldefenseinstitute.com / co-founder Recon InfoSec
♥♥♥ == @eric.zip, nerdery, rainbows, sweatpants
she/her | mama of 3 | 🤍🙏🌿🌈🍄
unicorns.lol
https://short-stack.net
whitneychampion.com/portfolio
Dr. Pinky @thedrpinky.bsky.social PhD, in infosec (love/hate relationship), love blue team competitions (CCDC/etc). BsidesSATX social media coordinator. Messages and thoughts are my own. She/Her/they.
Bi/pan/gray ace/questioning enby, chronic illness, and gamer. Chronically burnt out
Nate Warfield @n0x08.bsky.social Network Security | Hacker | WIRED25 2020 | CTI-League Founder | Security Researcher
The Linux Foundation @linuxfoundation.org A nonprofit organization enabling mass innovation through open source. #linux #kubernetes #riscv #hyperledger #anuket #openssf #openjs #o3de and more!
Effin' Birds @effinbirds.com Daily comic by Aaron Reynolds that keeps on winning awards despite being nothing more than birds and curse words. Books, calendars and merch at effinbirds.com
Nashville Severe Weather @nashseverewx.com