Microsoft Security Response Center @msrc.microsoft.com We are the Microsoft Security Response Center. To report security vulnerabilities or abuse in Microsoft products, visit http://microsoft.com/en-us/msrc.
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
Matthew Green @matthewdgreen.bsky.social I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
Infosys @infosys.bsky.social 
Anthropic @anthropic.com We're an Al safety and research company that builds reliable, interpretable, and steerable Al systems. Talk to our Al assistant Claude at Claude.ai.
Nicole Perlroth @nicoleperlroth.bsky.social cyber raconteur | author THIS IS HOW THEY TELL ME THE WORLD ENDS | former @nytimes | now betting on heroes @ Silver Buckshot Ventures + Venture Partner at Ballistic Ventures.
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- I @ippsec.bsky.social @ippsec.bsky.social
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
Tyler @secshoggoth.bsky.social Incident Response, Forensics, Malware Analysis, Reverse Engineering, Cyber Security, RPG, Geek, Nerd, #DFIR
Opinions are my own and not those of my employer.
CryptoCat @cryptocat.me Security Researcher @rapid7.com 😈
Hacking Content @ https://yt.cryptocat.me 💜
@thexssrat.bsky.social @thexssrat.bsky.social 
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
Alexandre Borges @alexandreborges.bsky.social Vulnerability Researcher | Exploit Developer (speaker 3x at DEF CON)
Michael Kennedy @mkennedy.codes Python enthusiast and entrepreneur. Host of @talkpython.fm and @pythonbytes.fm podcasts, founder of Talk Python Training (https://talkpython.fm/courses). Python Software Foundation Fellow. Writing at https://mkennedy.codes Based in Portland, OR, USA.
Mathieu Gaucheler @shibasec.bsky.social OSINT and cybersecurity. SME at Maltego.
Maltego machines / custom Transform / Talks in my GitHub: github.com/shibaOSINT/MaltegoMachines
Medium: medium.com/@shibaosint
SpecterOps @specterops.io Creators of BloodHound | Experts in Adversary Tradecraft | Leaders in Identity Attack Path Management
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
0xdf @0xdf.bsky.social Principal Training Architect @ HackTheBox
CTF Addict
"Potentially a legit researcher"
he/him
Website: https://0xdf.gitlab.io/
YouTube: https://www.youtube.com/c/0xdf0xdf
Twitter: 0xdf_
Discord: 0xdf
Mastadon: 0xdf@infosec.exchange
Slashdot @slashdot.org News for Nerds, Stuff that Matters
#tech #news #software #engineering #AI #bitcoin #linux #business
Website: https://slashdot.org
Software Directory: https://slashdot.org/software/
RSS: https://rss.slashdot.org/Slashdot/slashdot
Zack Korman @zkorman.com Founder @ Embroidery. I build AI cybersecurity stuff.
Andrew Morris @andrewmorr.is 🔳 founder of @greynoise.io. computers, networks, technology enthusiast. big goober.
the grugq @thegrugq.bsky.social 
Tom Uren @tom.risky.biz Author of the Seriously Risky Business cyber security newsletter
Patrick Gray @patrick.risky.biz https://risky.biz/
Mandiant (part of Google Cloud) @mandiant.com We’re determined to make organizations secure against cyber threats and confident in their readiness.
Chris Krebs @thekrebscycle.bsky.social Aka @c_c_krebs over there 
Lisa Forte @lisaforte.bsky.social Cyber security, climbing, caving and diving! 💜- R @riskybusiness.bsky.social @riskybusiness.bsky.social
Rob Joyce @rgblights.bsky.social Cyber guy. Former NSA cybersecurity director and chief of TAO. Lover of memes. Warning - occasional outrageous Christmas light content.
Emma Vigeland @emmavigeland.bsky.social Co-host of The Majority Report @majorityreport.bsky.social
Sam Seder @samseder.bsky.social Host MajorityReport
Democracy Now! @democracynow.org Independent, daily global news hour.
Support our work: http://democracynow.org/donate
Daily News Digest: http://democracynow.org/subscribe
Internet Archive @archive.org Internet Archive is a non-profit research library preserving web pages, books, movies & audio for public access. Explore web history via the Wayback Machine. 
Randall Munroe @xkcd.com 
Brian Tyler Cohen @briantylercohen.bsky.social Political commentary. Over 3 billion views on YouTube. #1 NYT bestselling author. Past: MSNBC
https://linktr.ee/briantylercohen
The New York Times @nytimes.com We seek the truth and help people understand the world. Not a subscriber? Your first month is now free in our app. https://nytimes.onelink.me/Xpht/zbx4nci9
50501: The People’s Movement ❌👑 @50501movement.bsky.social Official Bluesky account for the #50501Movement
❌👑#NoKings 3/28 Made History!!
Join the Movement > https://FiftyFifty.one
Christian Selig @selig.bsky.social iOS developer. he/him. Pronounced see-lig
Thomas Roccia :verified: @fr0gger.infosec.exchange.ap.brid.gy AI x Threat Intelligence
🌉 bridged from ⁂ https://infosec.exchange/@fr0gger, follow @ap.brid.gy to interact
RussianPanda @russianpanda.bsky.social I’m a panda, I am addicted to malware.
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.
UK_Daniel_Card @mrr3b00t.bsky.social 
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
The DFIR Report @thedfirreport.bsky.social Real Intrusions by Real Attackers, the Truth Behind the Intrusion.
https://thedfirreport.com
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
MalwareHunterTeam @malwrhunterteam.bsky.social https://x.com/malwrhunterteam | https://id-ransomware.malwarehunterteam.com/
Florian Roth @cyb3rops.bsky.social Placeholder profile : https://x.com/cyb3rops | glad to be in this respectful safe space | vi/vim
Will T @bushidotoken.net 🇬🇧 | Senior Threat Intelligence Advisor at Team Cymru | Co-author SANS FOR589 | Co-founder Curated Intel
Richard Bejtlich @taosecurity.bsky.social Former USAF intel officer. Early info war practitioner. Created GE-CIRT. Mandiant's first CISO. #NetworkSecurityMonitoring for @corelight-inc. Author. Latest books #ad amzn.to/3B2AcMc
HaxRob @haxrob.net Telco / mobile and IoT security.
Surfing the information super highway one keystroke at a time.
https://haxrob.net
TracketPacer @tracketpacer.com 🚀rockit network engineer
👩🏼💻ethernet fangirl
🛜 weird use cases & silly tech!
💌 tracket@tracketpacer.com
🌎 tracketpacer.com
Metasploit @metasploit-r7.bsky.social Official account of the Metasploit Project, part of the Rapid7 family.
Mastodon: @metasploit@infosec.exchange
Slack: http://metasploit.com/slack
Andrew Thompson @imposecost.bsky.social Head of Research and Discovery @Google Threat Intelligence. Leading multidisciplinary teams to defeat adversaries. Posts are attributable to me—not my employer.
Obsidian @obsidian.md The free and flexible app for your private thoughts. For help and deeper discussions, join our community: http://obsidian.md/community
shenetworks @shenet.works Networking • Hacking • Hacking Networks (she/her)
shenet.works
Kostas @kostastsale.bsky.social Running ➡ http://defendpoint.ca | http://edr-telemetry.com | https://edr-comparison.com/ | http://detectionstream.com | 🇬🇷🇨🇦
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
Jake Williams @malwarejake.bsky.social Breaker of software, responder of incidents, IANS Faculty, VP R&D Hunter Strategy.
Mike Cohen @greatcoffee.org Mike is a digital paleontologist working on velociraptor
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
hextree.io @hextreeio.bsky.social 🌱 Grow your cybersecurity skills with concise and well-edited courses - in early access now! Created by @LiveOverflow and @stacksmashing.
https://hextree.io/
Sophos @sophossecurity.bsky.social Defeat Cyberattacks
stacksmashing @stacksmashing.bsky.social Security researcher with a focus on hardware & firmware. I occasionally publish stuff on YouTube. Co-founder of
hextree.io. Contact: contact@stacksmashing.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
pwn @pwnfunction.bsky.social 
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.
TomNomNom @tomnomnom.com Computer booper and food enthusiast. He/him.
GitHub @github.com The AI-powered developer platform to build, scale, and deliver secure software.
GitLab @gitlab.com Build software faster. The DevSecOps Platform enables your entire organization to collaborate around your code.
James Forshaw @tiraniddo.dev Security researcher in Google Project Zero. Author of Attacking Network Protocols. Posts are my own etc. 
Samuel Groß @saelo.bsky.social Working on Project Zero, Big Sleep, and V8 Security. Personal account.
HackerOne @hacker0x01.bsky.social The Only official HackerOne bsky account.
Peace of mind from security's greatest minds.
#HackForGood
Troy Hunt @troyhunt.com Founder & CEO of @haveibeenpwned.com, the most trusted name in data breach intelligence. Speaker, blogger, Microsoft Regional Director. Gold Coast, Australia.
Carl Smith @rwx.page Security @Google, Personal Account.
Natalie Silvanovich @natashenka.bsky.social Google Project Zero
John Hubbard @sechubb.bsky.social Blueprint Podcast Host | SANS Sr. Instructor & Course Author for SEC450/LDR551 | Helping You Improve Your Security Ops Team
GeoSn0w @idevicecentral.com Award-Winning YouTuber. Jailbreak Developer. https://idevicecentral.com | Bringing You Jailbreak News @ iDevice Central: http://youtube.com/fce365official
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
Pete Buttigieg @petebuttigieg.bsky.social Husband, dad, veteran, writer, and proud Midwesterner. 19th US Secretary of Transportation and former Mayor of South Bend.
Majority Report @majorityreport.bsky.social Hosted by Sam Seder & Emma Vigeland. MR is an unbought, unbossed daily political talk show. Awarded @PodcastAwards Best Political Podcast 5 times #LeftIsBest https://majorityreportradio.com/about
Wiz io @wiz.io Secure everything you build and run in the cloud
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
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!
HackTheBox @hackthebox.bsky.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)
Senator Bernie Sanders @sanders.senate.gov Sen. Sanders of Vermont, Ranking Member of the U.S. Senate Committee on Health, Education, Labor & Pensions, is the longest-serving independent in congressional history.
Alexandria Ocasio-Cortez @aoc.bsky.social Waitress turned Congresswoman for the Bronx and Queens. Grassroots elected, small-dollar supported. A better world is possible.
ocasiocortez.com
SwiftOnSecurity @swiftonsecurity.com computer security person. former helpdesk
Nicolas Krassas @dinosn.bsky.social Head of Threat & Vulnerability Mgmt @ Henkel AG & Co. KGaA
https://t.co/NC1orlKrW3
Also at : @dinosn
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app