
Unit 221B
@unit221b
Unit 221B is a cybersecurity company offering products & services to companies seeking discreet, best-in-class, advanced security operations and training
ID: 3429961197
http://unit221b.com 18-08-2015 15:22:25
157 Tweet
789 Followers
377 Following

Leah Culver
@leahculver
Beta tester, software engineer, and angel investor. ✨ Co-author of OAuth and oEmbed specs. Formerly: iOS at @Twitter, tech co-founder @breaker and @pownce
officebob
@officebob
SPFX, Pyrotechnics, & Smart-ass comments. ERD-certified instructor for display fireworks & SPFX pyro. He/Him. Bunny dad to Maynard.🐰 DMs rarely answered.
Andy Greenberg (@agreenberg at the other places)
@a_greenberg
WIRED writer, author of SANDWORM and now TRACERS IN THE DARK: The Global Hunt for the Crime Lords of Cryptocurrency. Andy.01 on Signal. [email protected]
heinbrian
@heinbrian
Not Anonymous - favs, RT’s are just a momentary observation @[email protected]
Cezary Podkul
@cezary
Investigative + data journalist in Hong Kong working on thebigtrace.com book about #pigbutcheringscams. Bylines in @ProPublica. Newstip? [email protected]
waigyu
@xeus

Michelle Schafer
@mschafer
Cybersecurity PR & Marketing Pro. Beach Girl. Proud Mom of Mason! Starbucks Lover. Golfer. Skier. 5k Runner 🏃♀️
Katie🌻Moussouris (she/her/she-ra/she-hulk) 🪷
@k8em0
@LutaSecurity CEO @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, hacker @k8em0.bsky.social Legacy blue check
Ross Kaminsky
@rossputin
Talk host @KOAColorado (Denver) M-F 9AM-12PM MT, dad, husband, trader, world traveler. pro-liberty & chocolate. Not GOP, not Dem. And no, It's not for Vladimir.
Ma77Carpenter
@ma77carpenter
Tweets and opinions are my own, not that of my employer
ℵ₁ @[email protected]
@aleph_one

Merritt Group
@merrittgroup
Intelligent #marketing fuels great companies 🔥 We help innovative companies effectively reach, engage and convert #tech, #health and #government buyers.
Peter Kruse | Cybercrime Research
@peterkruse
Peter Kruse is a cybersecurity researcher. Co-founder of CSIS Security Group, Kruse Industries, SIE-Europe & Heimdal. CARO member. CISO at Clever.
Wade Baker
@wadebaker
#InfoSec researcher; @CyentiaInst founder & data storyteller; @VTPamplin professor; @vzDBIR creator; Dad x5; Post mainly on LinkedIn these days.
Greg Sargent
@gregtsargent
Staff writer at the New Republic
briankrebs
@briankrebs
Independent investigative journalist. Author of 'Spam Nation,' a NYT bestseller. Former Washington Post reporter. Mastodon: infosec.exchange/@briankrebs
@mikko
@mikko
Researcher and a best-selling author. Keynote talks at RSA, Black Hat & DEF CON. TED Speaker. Chief Research Officer at WithSecure.
KOA 850 AM & 94.1 FM
@koacolorado
Colorado News, Talk, Sports. Official Home of the @Broncos, @Rockies, and @CUBuffs.
Josh Gad
@joshgad
From stuff
Alex Stamos
@alexstamos
You can find me at: threads.net/@alex.stamos cybervillains.com/@alex
Maureen MacGregor
@pr_techie
Storyteller, live music addict, RPSGT - searching news on aerospace, cybersec, engineering innovation+neuro (& animal welfare). Views my own, proud Mom & ally.
NYSEC
@nysecsec
An informal meetup of information security professionals in New York. A drinking meetup with an information security problem. Every third Tuesday of the month.
Kim Zetter
@kimzetter
Journalist - cyber/national security. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon. zetter-zeroday.com
Kathryn Tewson
@kathryntewson
Good in a crisis and at no other time. This place is state media now. Find me at kathryntewson.bsky.social
Dave Kennedy
@hackingdave
Founder @Binary_Defense @TrustedSec Co-Owner IAMHRT.com. @WeHackHealth Podcast. Fam First/Hacker/CSO/USMC/Intel/Fitness. Motto: Make world a better place
Mathew Schwartz
@mathewjschwartz
Reporter + photographer + travel aficionado. This is my personal Twitter account (more photos, cat videos, bread making); @euroinfosec is my work one (fewer).
The Hofmann
@tjhofma

Jack McCarthy
@mccarthylabs
Geopolitical Intelligence & Espionage | Cyber Threat Intelligence Research & Analysis | Digital Investigative Analysis. -Modeling the real "Three-Body Problem"!
Cr@n1um
@cran1um
lifelong learner
لَمْيَاءُ ✰
@owainaa
I wonder and dig at the roots | Random tweets | #Juve | #Hilal | @lamyaown
McK🇨🇦🇨🇦🇨🇦
@kmckay27

jayeshthakur
@jayeshmthakur
Husband, Father, Student, Security n00b. Interested in Cyber Security Research, Pen testing, RED Teaming, & Threat Hunting, Thoughts and Tweets are my own.
Doel
@lengkoanost

The Provost / سيدة الفتنة
@msentropy
Your Lady of Chaos (Theory) | Cassandra of Geopolitics | MENA - Nazis - ISIS - political violence - etc. |
M3AAWG
@m3aawg
The Messaging, Malware and Mobile Anti-Abuse Working Group (M3AAWG) brings the industry together to work against bots, malware, spam, DDoS and online exploits.
Allison Nixon
@nixonnixoff
Chief Research Officer at Unit 221B -- if you need to get ahold of me use Linkedin or my company's outreach form, not this website
Philly Prince
@phillyprince1
CEO Winston N Cohen Collection Agency. Costa Rica Money Report. Still Ballin 🏀. Beat Freddie Downtown Brown Horse at The Kingdom. Pay for Performance
John Jay Research
@johnjayresearch
Features research and scholarship from the academic community at John Jay College of Criminal Justice. Engages with events and issues of interest to the same.
Fuck You I Quit
@fuckyouiquit
The labor market is a mess. Here to show you why. Highlighting workers conflict with poor management, corporate greed, bad business, and the economy.
Digital Citizens
@4saferinternet
We are a coalition of Internet experts working to make the Internet a safer place for children, seniors, and people from all walks of life. #digcit
𝅙
@joaovarelas
Security Researcher
#BSidesNYC
@bsidesnyc
The official account for Security BSides New York City. October 19, 2024 @ John Jay College
Kyle Krejci
@kylekrejci
Security Engineer for Team Cymru 🇺🇸🌴🥃🇺🇦
MalwareTech
@malwaretechblog
Not here anymore. Profiles: marcushutchins.com/socials
Cybrary
@cybraryit
The Leading #Cybersecurity Professional Development Platform 🚀 If you have any questions, please contact our support team at [email protected]! 💻
Kevin Golas
@rogueworks

Fred HK
@fr3dhk
/* Security & Malware Research | Developer for MalBeacon.com | Poking holes in everything & writing about it | Read here: fr3d.hk/blog */
Deep Instinct
@deepinstinctsec
The first & only #zeroday data security company that prevents & explains unknown threats in real-time, powered by #DeepLearning. Fight AI with the best AI.
Skelly
@keenanskelly
#Cybers #BombSlayer #DiversityChampion #Hacker @XRVillage #Founder #CEO #Baker #Gardener #SmokedMeatMaker - Thoughts my own.
Black Hat MEA
@blackhatmea
#BHMEA25 | @TahalufGlobal @SAFCSP in assoc. with @BlackHatEvents | Nov 24-26 2025 📍Riyadh Exhibition and Convention Center, Malham
Nicholas Albright
@nma_io
Information Security, Biker, 2A, Christian
J Isacoff
@_nextjenn
Black Badge @DEFCON, Social Engineering | Private Investigator | Locksmith | Offensive Security Consultant
Sports_ISAO
@sportsisao
Cybersecurity for amateur and professional sports; including athletes, venues, stadiums, games, leagues, teams, referees, sponsors and equipment manufacturers.
David Colombo
@david_colombo_
Founder, Cyber Security Researcher, Keynote Speaker, Advisory Board Member. Speaker @worldgovsummit. Featured in @business, @technology, @techcrunch & more
April Lorenzen
@april_lorenzen
April Lorenzen #ZETAlytics | #dataScientist | #DNS | #Security | Massive passive DNS data is what I comb daily