Cas van Cooten @casvancooten.com @chvancooten on the bird app 🐦
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Benevolently malicious offensive security enthusiast || OffSec Developer & Malware Linguist || NimPlant & NimPackt author || @ABNAMRO Red Team
grenlith @nop.codes owl on the internet
wife, artist, hacker
seattle
fedi: https://haunted.computer/@gren
avatar by @aaland.co- T @thetaggartinstitute.infosec.exchange.ap.brid.gy @thetaggartinstitute.infosec.exchange.ap.brid.gy
Grimmie @gr1mmie.bsky.social hai :) I do sekuridy stuff and develop abominations. Advanced Persistent Potato
Somewhere in the world adventure calls
Web Security Academy @websecacademy.bsky.social Free web security training from PortSwigger.
Lukas Weichselbaum @webappsec.dev Leading Google's web security team.
Passionate about web security and making secure-by-default web development the norm. Contributed to web platfom security features like CSP, Fetch Metadata, COOP and Trusted Types.
Leo @leonvqz.com Just a random guy in the internet that does ethical hacking for a living.
You can call me Leo
Red Team Lead
Volunteer @RaicesCyberOrg
Faculty @taggartinstitute.org
whoami.leonvqz.com
mle @whyli.me Trying to leave things better than I found them, including the Internet • runner • security research @ Censys 🧡 she/her • @mle@infosec.exchange
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
Phil Hagen @philhagen.com DFIR, security, networking, all things tech, OneWheel, Radinn, travel, LEGO, and probably a whole lot more in small and sporadic bits. (Squirrel!)
Fierce and unapologetic ally. He/him/his.
Taz Wake @tazwake.bsky.social DFIR & Threat Hunting Professional | SANS Course Author - FOR577 Linux IR Class | Certified SANS instructor | Incident Responder | I have no access to DMs.
Kat Hedley @4enzikat0r.bsky.social DFIR, SANS author & certified instructor
GSP & all the FOR GIACs
khyrenz.com
github.com/khyrenz
LimaCharlie @limacharlie.io Security tools and infrastructure on-demand. Use LimaCharlie to automate and manage security operations at scale.
Nasreddine Bencherchali @nasbench.bsky.social Detection @Splunk | previously @nextronsystems | @sigma_hq & @magicswordio maintainer | Eternal Learner
Volatility @volatilityfoundation.org Official account of the Volatility Memory Analysis Project and Windows Malware and Memory Forensics Training. http://volatilityfoundation.org
Raphaela Mettig @rmettig.com Researcher and PhD student. Personal account.
rmettig.com/about
thekileen @thekileen.bsky.social IT Security in Higher Ed (no that’s not quite a contradictory statement), Electronics, Woodworking, BBQ (low & slow is the way), Dad, follower of Jesus (order changes at will). Opinions are my own.
Vale @vale.bsky.social Detective major 
tactical_legacy_kirbo @da667cant.hax.lol Senior Security Researcher, Proofpoint Emerging Threats. I stare at pcaps all day, and use my pattern-seeking scattered hunter-gatherer brain, to write IDS signatures. I'm also a huge fuckin nerd. Obligatory My words are not fit for consumption warning.
Lawrence Abrams @lawrenceabrams.bsky.social Ransomware, Online Security, and Malware. Owner, Editor in Chief of @bleepingcomputer.com
DM on Signal: LawrenceA.11 * Telegram: lbleeper * http://infosec.exchange/@lawrenceabrams
Tyler Casey @1qazcasey.bsky.social Detection Engineer & Threat Hunter. Livin in the Lou.
Christine Lemmer-Webber @dustyweb.bsky.social Co-author/co-editor of ActivityPub (what connects together the fediverse, including Mastodon, etc). Executive Director of the Spritely Institute. Lisp/scheme enthusiast, chaos transfem, sketcher of tiny creature drawings.
https://dustycloud.org
Steve Syfuhs @syfuhs.net Noted idiot. Principal something or other. Runs the Windows Authentication team at Microsoft. It's my fault your password doesn't work.
Mostly dog pictures. Might actually be two dogs in a trench coat. 🇺🇸 / 🇨🇦
https://syfuhs.net/
Royce Williams @tychotithonus.bsky.social Just doing my undue diligence.
BACKUP ACCOUNT. Main: @tychotithonus@infosec.exchange
ISP vet, password cracker (Team Hashcat), security demi-boffin, YubiKey stan, public-interest technologist, AK license plate geek.
Blue Team Con @blueteamcon.com Blue Team Con is an annual cybersecurity conference built for defenders, inclusive of anyone interested in safeguarding organizations.
https://blueteamcon.com
Next Conference:
Training: 10-11 September 2026
General Conference: 12-13 September 2026
Ben Findlay @teescdf.uk Senior Lecturer @ Teesside University in Computer and Digital Forensics. Previously @ North Yorkshire Police Digital Forensic Unit. ORCID: https://orcid.org/0000-0001-8747-3772
#digitalforensics #cybercrime #ukpolicing
I use Arch BTW
mcc @dryad.technology glitch girl — I do not trust this place and would prefer you follow me on Mastodon: https://mastodon.social/@mcc — A mixtape for you: https://bsky.app/profile/dryad.technology/feed/listening-to — Avatar by @urnash.com — 🏳️⚧️🏳️🌈 — she/her
David J. Bianco @davidjbianco.bsky.social Threat Hunting, CTI, incident detection & response. SANS instructor. Special interest in helping newbies get started. Also happy to talk about other geeky topics. He/Him. 
Wild West Hackin' Fest @wildwesthackinfest.bsky.social Join us for Wild West Hackin' Fest - Deadwood 2026! Con: Oct. 7-9, 2026, Pre-Con Training: Oct. 6-7, 2026
Deno @deno.land A modern runtime for JavaScript and TypeScript
https://deno.com
Brad @malware-traffic-analysis.net Sharing information on malicious network traffic and malware samples at https://www.malware-traffic-analysis.net/
Random three-body problem @threebodybot.bsky.social Random initial conditions: M between 0.1 & 150 solar masses | Speed less than 10 km/s | Positions in a 50x50 AU box | code and more info at https://github.com/kirklong/ThreeBodyBot
Rowan @novafacing.bsky.social fuzzing enjoyer
@novafacing@haunted.computer
Bill @sempf.infosec.exchange.ap.brid.gy I break software.
🌉 bridged from ⁂ https://infosec.exchange/@Sempf, follow @ap.brid.gy to interact
Simon Bennetts @psiinon.bsky.social ZAP Project Lead
Jenna McLaughlin @jennamclaughlin.bsky.social NPR Correspondent covering technology and national security.
Send me a tip: Text JennaMcLaughlin.54 on Signal from personal (nonwork) devices.
Taggart @taggart-tech.com @mttaggart@infosec.exchange. Displaced Philly boy. Executive Director of @ifin-intel.org. Threat hunter. Educator. Dad. General in the AI Resistance.
taggartinstitute.org
wtfbins.wtf
linktr.ee/mttaggart
Bluesky @bsky.app official Bluesky account (check username👆)
Bugs, feature requests, feedback: support@bsky.app