@greynoise.io
GreyNoise analyzes Internet background noise. Use GreyNoise to remove pointless security alerts, find compromised devices, or identify emerging threats.
@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!
@metlstorm.risky.biz
Unix berserker, retired hacker-con organiser (Kiwicon!) and now technology-editor-slash-sysadmin-janitor at Risky.biz. Was @metlstorm on Twitter, am metlstorm@infosec.exchange on Masto.
@pentesterlab.com
We make learning web hacking and security easier. Online systems, code review, videos & courses that can be used to understand, test and exploit bugs!
@paulasadoorian.bsky.social
Founder of Security Weekly, Principal Security Evangelist at Eclypsium
@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
@hdm.io
CEO and founder of runZero.com, previously the founder and lead developer of Metasploit, a CSO, a consultant, and the head of various security research teams. Contact info, presentations, and more at https://hdm.io/
@bsideslv.org
BSides Las Vegas will take place on August 4th, 5th, and 6th, 2025 Sin City, USA · bsideslv.org
@kimzetter.bsky.social
Journalist - cyber/natn'l security. Speaker. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon Signal: KimZ.42 https://www.amazon.com/Countdown-Zero-Day-Stuxnet-Digital/dp/0770436196 https://www.zetter-zeroday.com
@bellingcat.com
Bellingcat is an independent investigative collective of researchers, investigators and citizen journalists brought together by a passion for open source research. Want to support our charity? bellingcat.com/donate
@matthewdgreen.bsky.social
I teach cryptography at Johns Hopkins. https://blog.cryptographyengineering.com
@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
@k8em0.bsky.social
Founder & CEO LutaSecurity @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, 1/2 Greek all-American hacker
@weld.bsky.social
Gray haired gray hat. Co-founder Veracode. Former L0pht security researcher. Builds tools to find and fix vulnerabilities in code at scale. Twitter: https://twitter.com/WeldPond
@ddz.bsky.social
I drink amari and I know things. $ddz LMDDGTFY: https://duckduckgo.com/?q=dino+dai+zovi NYC/BK
@mattblaze.org
Scientist, safecracker, etc. McDevitt Professor of Computer Science and Law at Georgetown. So-called expert on election security and a few other things. Slow photographer. RF nerd. Occasionally blogs at https://mattblaze.org/blog
@techcrunch.com
Technology news and analysis with a focus on founders and startup teams. Got a tip? http://techcrunch.com/tips
@defcon.bsky.social
The world’s premier hacker conference. Serving the global hacker community since 1993. Defcon.org Forum.defcon.org Defcon.social
@lhn.bsky.social
Security reporter for WIRED Magazine. she/her/my man. Signal +1 (347) 722-1347
@mattburgess1.bsky.social
Security writer @wired.com Cybercrime, privacy, surveillance, and more. Signal: mattburgess.20 | Email: matt_burgess@wired.com
@rmogull.com
Cloud security, hacker, run/bike/drown, TK11940 in the 501st, itinerant disaster paramedic, private pilot, and other stuff. @rmogull on Signal SVP of Cloud Security at FireMon. CEO of Securosis. Both totally made up titles. https://slaw.securosis.com
@darrenpauli.bsky.social
Ex infosec hack ‘06-‘17 @ TheRegister, SCMagazine, ZDNet, ComputerWorld. Now I write about writing and help regular folk understand infosec.
@mzurko.bsky.social
CyberSecurity with an emphasis on human use, integration, and impacts. Matron Saint of Usable Security. The only "Mary Ellen Zurko" on the web.
@shellsharks.com
Infosec researcher | more about me @ https://shellsharks.com @shellsharks@shellsharks.social on Mastodon
@mikjaer.com
YouTuber, Security consultant, musician, comedian, data archeologist, open source, hacker and digital freedom fighter. 🌈 Polyamorous Tweets in DA and EN. https://youtube.com/retrocomputingwithmike
@dangoodin.bsky.social
Cybersecurity Reporter, Ars Technica: https://arstechnica.com/author/dan-goodin/ Hungry for tips. Text me on Signal: DanArs.82. "The world isn’t run by weapons anymore, or energy, or money. It’s run by little 1s and 0s, little bits of data."
@iamthecavalry.org
@attack.mitre.org
MITRE ATT&CK® - A knowledge base for describing the behavior of adversaries. Replying/Following/Reposting ≠ endorsement.
@thezdi.bsky.social
Trend Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
@granick.bsky.social
Personal account. ACLU lawyer. From New Jersey. Living in San Francisco. New College of Florida alum. Newfie owner.
@cje.io
founder @bugcrowd && co-founder @disclose_io || hacker, entrepreneur, executive, advisor || عصا موسى || #w00w00
@mudge.bsky.social
DARPA/Google/Stripe/L0pht/Twitter https://en.wikipedia.org/wiki/Peiter_Zatko
@patrickcmiller.bsky.social
Critical Infrastructure & Industrial Security Advisor. Ampyx Cyber CEO. Public speaker. Airport dweller. Recovering regulator. BEERISAC coin 001. CCI US Coordinator. Former SANS Instructor. #ICS #OT #NERCCIP #NIST #IEC62443 #NIS2 #CRA #SlavaUkraini
@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
@robertauger.bsky.social
25 years Appsec,PurpleTeam,Web Application Security Consortium(WASC) cofounder,Baythreat Organizer,Ex-PayPal/eBay/Box/Workday/Coinbase infosec. http://Sectemplates.com | https://www.cgisecurity.com/ | https://github.com/securitytemplates/sectemplates
@boblord.bsky.social
Cautiously pessimistic, esp. about cyber things. The owls are not what they seem. 🗻🗻🦉🌲🪵 🍒🥧☕️🍩 🕵🏼♀️ 👍🏻 Also: 🔐🔑🔒
@mrr3b00t.bsky.social