Aryeh Goretsky @goretsky.bsky.social Security researcher & antivirus pioneer | alum of ESET, McAfee | Microsoft MVP awardee | Mod @Lenovo, @Neowin.Net, Scots Newsletter forums | Intel Insider Council member | Repost ≠ endorse.
@matthieufaou.bsky.social @matthieufaou.bsky.social Malware Researcher @ @esetresearch.bsky.social
ESET Research @esetresearch.bsky.social Security research and breaking news straight from ESET Research Labs.
welivesecurity.com/research/
Catalin Cimpanu @campuscodi.risky.biz ☆ Cybersecurity reporter
★ Newsletters at Risky Business
#infosec #cybersecurity
https://risky.biz
Xavier Mertens 🇧🇪 @eeksme.bsky.social A fork of https://twitter.com/xme
Bojan Zdrnja @bojanz.bsky.social IT Security guy, penetration testing is my thing. One of the SANS Internet Storm Center handlers at https://isc.sans.org.
SANS SEC542 instructor and course co-author, SEC565 instructor.
I lead the penetration testing team at INFIGO, https://www.infigo.is
MITRE ATT&CK @attack.mitre.org MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
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
The DFIR Report @thedfirreport.bsky.social Real Intrusions by Real Attackers, the Truth Behind the Intrusion.
https://thedfirreport.com
b4n1shed @b4n1shed.bsky.social Security Research, Threat Intelligence, Malware Analysis, Embedded Systems, Misc. Hackery and Shenanigans.
Hackers on the Hill @hackersonthehill.org A semi-regular gathering for irregulars from the security research community to engage with Congressional staffers. Run by I Am The Cavalry, bridging the gap between the hacker and public policy communities since 2017.
Cyber Threat Alliance @cyberalliance.bsky.social CTA is a group of cybersecurity practitioners who work together to improve the overall security of the global digital ecosystem. We are stronger together. www.cyberthreatalliance.org
Julian-Ferdinand Vögele @julianferdinand.bsky.social Threat Research @ Recorded Future. Previously @ Security Research Labs. He/Him. 🏳️🌈
Daniel Lunghi @thehellu.bsky.social Threat researcher at Trend Micro mostly focused on APT
Feike Hacquebord @feikeh.bsky.social Principal Threat Researcher at TrendAI
Brad @malware-traffic-analysis.net Sharing information on malicious network traffic and malware samples at https://www.malware-traffic-analysis.net/
0sintSir @0sintsir.bsky.social Founder @ OSINord.com | Lead, Cyber Threat Intelligence
Investigator515 @investigator515.bsky.social Investigator turned OSINT Analyst | Author | Follow for #OSINT #Defense #Infosec | Memes | NAFO ✅ | Ukraine ✅ | Disinformation 🚫 | investigator515.substack.com | 🐕🦺 > 🐈 | 🐧 > 🪟 and always, 🍍 on 🍕
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.
DougsRants @dougsrants.bsky.social 
0x786d @0x786d.bsky.social Pentesting, malware analysis, threat hunting & intelligence, OSINT, AI & ML
Cyber Space @cyberspacex.bsky.social cybersecurity, infosec, osint, threat intel, memetic warfare, advanced persistence stalker...
@infosec.bsky.social @infosec.bsky.social 
dogesec @dogesec.com We build software for cyber #threatintelligence analysts.
https://www.dogesec.com/
Brian Baskin @bbaskin.bsky.social Just someone that dabbles in threat research, malware analysis, RE, incident response, CTFs, and old school forensics.
Apologetic ginger.
Kostas @kostastsale.bsky.social Running ➡ http://defendpoint.ca | http://edr-telemetry.com | https://edr-comparison.com/ | http://detectionstream.com | 🇬🇷🇨🇦
Hexacorn @hexacorn.bsky.social Red Brain, Blue Fingers
Malware Analysis, Reverse Engineering, Threat Hunting, Detection Engineering, DFIR, Security Research, Programming, Curiosities, Software Archaeology, Puzzles, Bad dad jokes
https://www.hexacorn.com/blog/
hexacorn@infosec.exchange
Lenny Zeltser @lennyzeltser.com Builder of security products and programs. Teacher of those who run them.
https://zeltser.com
Malware Unicorn @malwareunicorn.bsky.social @Straiker. Ex-Microsoft. Ex-Meta RedTeam, Ex-Endgame, Ex Fireeye. malwareunicorn.org
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
TrustedSec @trustedsec.com End-to-end Cybersecurity consulting team leading the industry, supporting organizations, and giving back. #HackThePlanet
https://trustedsec.com/
John Strand @strandjs.bsky.social I do cool Infosec stuff with cool people.
I will light the way by the bridges I burn.
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
jon greig @jgreig.bsky.social cybersecurity reporter for The Record.
formerly: zdnet, techrepublic, blavity, haitian times, cambodia daily
— send tips to jonathangreig11@protonmail.com or signal: jgreig.51
The Shadowserver Foundation @shadowserver.bsky.social Our mission is to make the Internet more secure by bringing to light vulnerabilities, malicious activity and emerging threats. Join our Alliance!
https://shadowserver.org/partner
OWASP Nettacker @nettacker.owasp.org https://github.com/OWASP/Nettacker Automated Penetration Testing Framework | Open-Source Vulnerability Scanner | Vulnerability Management | 
Troy @troymarshall.bsky.social Product Security | Privacy | AI Safety | Digital Trust
Senyals @senyals.bsky.social AppSec Engineer. Application Security, DevSecOps, Threat Modelling.
OWASP and Open Source enthusiast.
Based in Barcelona.
David Buchanan @retr0.id reverse engineering, cryptography, exploits, hardware, file formats, and generally giving computers a hard time
Fedi: @retr0id@retr0.id
Macroblog: https://www.da.vidbuchanan.co.uk/blog/
Andy Greenberg @agreenberg.bsky.social Writer for WIRED. Author of SANDWORM. Latest book, TRACERS IN THE DARK: The Global Hunt for the Crime Lords of Cryptocurrency, out now. agreenberg@wired.com. Andy.01 on Signal.
Cyber Detective @cybdetective.bsky.social Every day I write about #osint (Open Source Intelligence) tools and techniques. Also little bit about forensics and other cybersecurity related themes
Peter Mayer @securitycapybara.bsky.social Human-centred cybersecurity & privacy faculty at University of Southern Denmark
@sapirxfed.bsky.social @sapirxfed.bsky.social Security researcher.
I have a blog: https://sapirxfed.com
Mark Morowczynski @markmorow.com Principal Security Researcher @Microsoft. Author, Blogger, Speaker, and Baseball Nerd. Always has an overwhelming backlog of books and video games to get through.
Dr Nestori Syynimaa @drazuread.com Principal Identity Security Researcher @Microsoft. Ex-Secureworks (PhD, MSc, MEng, CITP, CCSK).
And yes, opinions are my own ;)
Matthew Kennedy @matthewkennedy.bsky.social Manager at Microsoft Threat Intelligence Center (MSTIC). Adjunct Faculty at Georgetown University. Penn State Alum. Tweets are my own.
Joe Coleman @joecoleman.bsky.social The most known unknown CTI professional in the game yo! Often imitated, never duplicated. 21st Century Renaissance Man who wears many hats: Army combat veteran, CTI Pro, Adult Fan of Lego (AFOL), video gamer, Otaku, and old-school hip-hop fanatic.
MalwareHunterTeam @malwrhunterteam.bsky.social https://x.com/malwrhunterteam | https://id-ransomware.malwarehunterteam.com/
Myrtus @malwareindepth.com Malware Researcher | Developer | @Cryptolaemus1
| @NVIDIA
Will happily talk about malware with anyone.
tlansec @tlansec.bsky.social Threat Intel @volexity.com n stuff.
London, UK.
Nicole Fishbein @nicolefishbein.bsky.social Senior security researcher and reverse engineer @Intezer
Cedric Pernet @cedricpernet.bsky.social Senior Threat Researcher @ Proofpoint.
Cybercrime / Cyberespionage aficionado.
Has worked in several CSIRTs/CERTs.
Metal & Rock dude, never enough guitars.
Motorcycles fan.
Wrote a book in French language on cyberespionage.
Ex-Law Enforcement Officer
Nicole Hoffman @threathuntergirl.bsky.social Friendly Neighborhood CTI Analyst | Children’s Book Author | Lego builder | Gamer | She/Her
John @bigbadw0lf.bsky.social Frontline Intelligence with #AdvancedPractices 🦅 @Google Threat Intel | views are my own
Tom Hegel @hegel.bsky.social Distinguished Threat Researcher, SentinelLABS Research Lead @SentinelOne. Nation-state operations, research systems & applied AI for threat intelligence. Find me at https://TomHegel.com
Bill Marczak @billmarczak.org senior researcher at @citizenlab.ca
David Oxley @oxley.io Interim head of information security at Anduril Industries. @CitizenLab.ca Research Fellow. Former federal agent. Fan of space, books, cyberpunk, sci-fi, espionage history, and storms. Personal account. 🇺🇸 🇺🇦 🇹🇼 #ThreatIntel
Storm chasing 📸 🌪️: @wxdox.com
Cybersecurity Careers Blog @cybercareerblog.bsky.social Helping cybersecurity professionals everywhere level up. News, AI/ML, Tech, & Career Advice. 💻💾👨🏻💻🤖
Newsletter: http://www.thebreach.report
Blog: https://www.cybercareers.blog
StrikeReady Labs @strikereadylabs.com https://strikeready.com/blog.html
Download live malware samples mentioned here: https://github.com/StrikeReady-Inc/samples
If you prefer marketing (our product is great!) subscribe to our main page @strikeready.com
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
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
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
PortSwigger Research @portswiggerres.bsky.social Web security research from the team at PortSwigger.
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
HackerOne @hacker0x01.bsky.social The Only official HackerOne bsky account.
Peace of mind from security's greatest minds.
#HackForGood
shellsharks @shellsharks.shellsharks.social.ap.brid.gy Infosec researcher | Indieweb enthusiast | Find me @ https://shellsharks.com
#infosec #cybersecurity #tech #indieweb searchable
Profile picture: A red shark […]
🌉 bridged from ⁂ https://shellsharks.social/@shellsharks, follow @ap.brid.gy to interact
shellsharks @shellsharks.com Infosec researcher | more about me @ https://shellsharks.com
@shellsharks@shellsharks.social on Mastodon
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
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.
Adam Shostack @adamshostack.bsky.social Threat modeling. BH Review Board. Affiliate Professor, UW. Fixed autorun. Helped create CVE.
Not sure why we're building graphs on yet another (effectively) centralized system. https://infosec.exchange/@adamshostack
Johannes Ullrich, Ph.D. @jullrich.bsky.social Collector of logs, packets, and malware. Dean of Research at SANS.edu. Go Sentinels!
STÖK @stokfredrik.bsky.social Hacker / Creative
Mischief & GOOD VIBES ONLY
Jack Rhysider @jackrhysider.bsky.social Creator of Darknet Diaries.
Verification: https://twitter.com/JackRhysider/status/1675298532406984707
Gerald Auger, PhD @geraldaugerphd.bsky.social Passionate About Cybersecurity | Sharing Passion to Help Individuals Discover, Engage, and Level Up A Cyber Career | Tweets Sharing Cyber Tips, Tools, Love💙 Go to SimplyCyber.io
Netsec Explained @gtklondike.bsky.social Netsec Explained is a passion project; dedicated to the research, learning, and sharing of intermediate and advanced level network security topics.
https://www.youtube.com/c/NetsecExplained
ᴅᴀɴɪᴇʟ ᴍɪᴇꜱꜱʟᴇʀ @danielmiessler.bsky.social AI / Security Researcher and Entrepreneur.
Founder/CEO of Unsupervised Learning.
Building AI that upgrades humans.
John Breth (JB) @handle.invalid Founder (@jbc_sec) | IT/Cyber Architect | Author | ▶️ http://youtube.com/@cyberinsight | Maine born | CyberSec Pitbull | USAF UMUC JHU #AWSCommunityBuilder #CiscoChampion @jbizzle703 on Twitter 
UK_Daniel_Card @mrr3b00t.bsky.social 
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
John Hultquist @hultquist.bsky.social Mandiant Intelligence at Google. CYBERWARCON and SLEUTHCON founder. Johns Hopkins professor. Army vet.
Alex Stamos @stamos.org CPO/CSO of Corridor.dev, teaching at Stanford.
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
Steve YARA Synapse Miller @stvemillertime.bsky.social writing & sharing on adversary tradecraft, malware, threat detection, ics/ot + cyber physical intel, and of course all things #yara
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.”
b1ack0wl @b1ack0wl.com 0day Researcher @ ████████████ / Baker / 0wl
// I post random things on here
visi stark @invisig0th.bsky.social Founder of The Vertex Project (@vtxproject)
Father of the #APT1 Report @Mandiant.
Inventor of #synapse, #vivisect, UNCs, imphash, ...
DEFCON CTF Champion, Founder of Kenshoto
TracketPacer @tracketpacer.com 🚀rockit network engineer
👩🏼💻ethernet fangirl
🛜 weird use cases & silly tech!
💌 tracket@tracketpacer.com
🌎 tracketpacer.com
Marcus Hutchins @malwaretech.com threads.com/@malwaretech
https://linkedin.com/in/malwaretech
https://marcushutchins.com
Sergiu Gatlan @serghei.bsky.social Cybersecurity/tech reporter @BleepingComputer / serghei.ro
NetBlocks @netblocks.org The Internet's Observatory: Tracking cybersecurity and digital governance • connectivity and democracy • tools and policy for change • https://netblocks.org
Kevin Beaumont @doublepulsar.com cybersecurity weather man. scanning the horizons for cloudy cyber. Expert at nothing except computer rubbish. Anti-ransomware since 2015.
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)
Tib3rius @tib3rius.bsky.social Web App (mostly) Hacker | Cybersecurity Educator | Content Creator | Ex-Brit | Links: http://linktr.ee/tib3rius (he/him) 🇺🇸 A mostly unserious person. @therealc3rul34n.bsky.social is bae 🥰
John Hammond @johnhammond.bsky.social Hacker. Friend. Cybersecurity Researcher at Huntress.
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