The Official Pulpit of CULT OF THE DEAD COW @cultdeadcow.com www.cultdeadcow.com
Gen Michael Hayden @genmhayden.bsky.social Personal account. Retired USAF, former Director of CIA & NSA, author, husband, father, granddad. Views are my own. Retweets are not endorsements.
@pinkflawd.bsky.social @pinkflawd.bsky.social 
jduck @jduck.me Continuously learning about computer security through research and development.
the grugq @thegrugq.bsky.social 
Maddie Stone @maddiestone.bsky.social Security Researcher at Google Project Zero. 0-days all day. Love all things reverse engineering. she/her
Dino A. Dai Zovi @ddz.bsky.social I drink amari and I know things. $ddz
LMDDGTFY: https://duckduckgo.com/?q=dino+dai+zovi
NYC/BK
Mark Russinovich @markrussinovich.bsky.social CTO of Microsoft Azure, author of novels Rogue Code, Zero Day and Trojan Horse, Windows Internals, Sysinternals tools. Opinions are my own.
dragosr @dragostech.bsky.social Autonomous Carbon Based LLM with 42 years of tuning on Information Attack and Defense.
Host of CanSecWest, and PacSec.
Security audits, code, IR, LLM, red team consulting.
Specialize in Firmware, and RF.
VA7MOV- L Harald Welte - @laforge@chaos.social @laf0rge.bsky.social #Osmocom founder. Mobile Communication expert. Former Linux kernel hacker, freedom fighter. Nerd. #retronetworking. Mensch mit Kommandozeilenhintergrund.
x0rz @x0rz.bsky.social Cybersecurity & Threat Intelligence. Knowledge is power, France is bacon 🥓
Dave Aitel @daveaitel.bsky.social - T @torgeirb.bsky.social @torgeirb.bsky.social
BSides Oslo @bsidesoslo.no Security BSides Oslo is an independent, community-driven inclusive information security conference. As a part of the global Security BSides network, the conference creates a space for members of the international and local information security communities
2600 - The Hacker Quarterly @2600.com Since 1984, 2600 Magazine has published the hacker perspective and documented the development of the hacking community. In addition to the magazine, we have a weekly radio show ("Off The Hook") and a biennial conference (Hackers On Planet Earth - HOPE).
BSides Las Vegas @bsideslv.org BSides Las Vegas will take place August 3-5, 2026
Las Vegas · bsideslv.org
DC151 @dc151.org Regular Leeds gathering for hackers, makers & people interested in security & tech | Meets every 2nd Wednesday | Disorganised by @glenn.pegden.com, @laurawhit.bsky.social and @roachy.net
* No longer affiliated with DEFCon Groups *
@bsidesde.bsky.social @bsidesde.bsky.social Our 17th conference, Nov 13-14th 2026 Follow for all things #Security #BSides #Delaware, #infosec cons, #jobs & local news #BSidesDE #NetDE #Philly
BSidesNYC @bsidesnyc.org 
ssno @ssno.gsc.dev Game hacking & Reverse Engineering.
https://ssno.cc
Threatbutt @threatbutt.bsky.social Threatbutt - defense in derpth against threatening threaty threats
@mikko @mikko.bsky.social Fighting malicious use of technology.
HD Moore @hdm.io runZero & Metasploit
Skylar @securityward.bsky.social Twitter: @SecurityWard
mastodon: SecurityWard@infosec.exchange
Offensive security, nerdiness, dungeons and dragons, and generally a lifelong n00b.
BSides London @bsideslondon.bsky.social 📅 13 Dec 2025 | 📍 Novotel London West
Grassroots-driven security conference.
Built by the local InfoSec community, for the community.
Web: https://BSides.London
X/Twitter: https://x.com/BSidesLondon
#BSidesLDN2025
44CON @44con.bsky.social UK's best combined Information Security Conference and training event.
https://44con.com
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
Summercon @summerc0n.bsky.social SummerCon 2026 is July 10-11. We are the official bsky account for SummerCon, America's Oldest Hacker Conference. Tip your bartender. https://summercon.org
OffensiveCon @offensivecon.bsky.social OffensiveCon is a highly technical international security conference focused on offensive security only. Organized by Binary Gecko GmbH.
Black Hat @blackhatevents.bsky.social The world's premier Technical Cybersecurity Conference Series
Disobey_Fi @disobeyfi.bsky.social Non-profit cyber security event in Helsinki, Finland. https://disobey.fi- H HackCon @hackcon.bsky.social HackCon XX
Oslo, Norway • Feb 12.-13. 2025
\\ Norways greatest InfoSec Con //
ShmooCon @shmoocon.bsky.social Jan 10-12, 2025
Washington, D.C.
Less 🫎 Than Ever
This account is mostly used to push information. Got questions? Email us at info @ shmoocon.org.
Hackers On Planet Earth 🏳️🌈🏳️⚧️ @hope.net HOPE Conference
The New Yorker Hotel
August 14-16, 2026
NY, NY
https://hope.net
Ken Jennings @kenjennings.bsky.social Your Jeopardy! pal. Author of THE COMPLETE KENNECTIONS (http://bit.ly/4qUcbhK) and a bunch of other stuff.
Runa Sandvik @runasand.bsky.social Founder of Granitt, securing journalists and at-risk people around the world. 
Azeria @azeria-labs.com Founder of Azeria Labs, Trainer, Author of Blue Fox: Arm Assembly Internals & Reverse Engineering
Alex Ionescu @ionescu.bsky.social Windows Internals Author, Developer, Reverse Engineer, Security Researcher, Speaker, Trainer, and most recently Nation State Hacker.
Core OS Platform Developer at Apple, Hyper-V Vendor at Microsoft, Chief Architect at CrowdStrike and now Director at CSE.
rpw (aka esizkur) @rpw.bsky.social 
Pwnallthethings @pwnallthethings.bsky.social Just thinking out loud.
Tarjei @kernelpool.bsky.social 
@halvarflake.bsky.social @halvarflake.bsky.social 
Niklas B @niklasb.rce.associates research @ dfsec.com
alkali @alkalinesec.bsky.social mobile security / symbolic execution . he / him
Mark Dowd @mdowd.bsky.social Internet hacker
Richard Johnson @richinseattle.bsky.social Fuzzing; Vulnerability Research;
Deep Learning; Reverse Engineering
Training & Publications @ http://fuzzing.io
Hacking the planet since 1995
Undercurrents.io BOFH
I'll stop the world and melt with you
LiveOverflow 🔴 @liveoverflow.bsky.social wannabe hacker... he/him
🌱 grow your hacking skills https://hextree.io
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
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app