Greg Bednarski @gmbednarski
Information security tech, policy, practice, homelab, networking, making things. Twitter is my threat intel stream. Super irregular Tweets, comments are my own. Maryland, USA Joined February 2015-
Tweets445
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Followers380
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Following143
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Likes510
The broad use of biometrics in transnational travel is notable, and seemingly not just for security purposes. I noticed the start of this, but seem to have completely missed the middle growth part to arrive at this level of ubiquity...
A little more locking the doors means a little less neighborhood watch patrols..
...and is still present in networks today! What a demonstration of... Um... Uh... SMBv1.
Imitation is the sincerest form of flattery. #APT41 can’t seem to stop themselves from emulating our work. We must be doing something right. As the Chinese say - 见贤思齐
Imitation is the sincerest form of flattery. #APT41 can’t seem to stop themselves from emulating our work. We must be doing something right. As the Chinese say - 见贤思齐
We confirm that iOS 16 does communicate with Apple services outside an active VPN tunnel. Worse, it leaks DNS requests. #Apple services that escape the VPN connection include Health, Maps, Wallet. We used @ProtonVPN and #Wireshark. Details in the video: #CyberSecurity #Privacy
Wild.
I feel seen.
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Almost 3 years rowing the galley of cyber policy, and what do I get? Only a huge display of appreciation from some of the most awesome and talented people I've ever worked with! 😀 Thank you, and keep kickin' cyber butt @NSACyber!!
Did the Roomba just break into the under-construction bathroom? Yes 💪Did it climb atop the toilet flange and wriggle around on the used wax ring for 5 mins? Also yes 😡 #ArtificialIntelligence
Remember when GPUs were only used for cracking password hashes and playing PC games? Pepperidge Farm Greg remembers.
♥️Microsoft detailing Apple Mac malware and noting Msft EDR detects on Macs ♥️ Definitely not your grandpa's Pirates of Silicon Valley 🏴☠️
♥️Microsoft detailing Apple Mac malware and noting Msft EDR detects on Macs ♥️ Definitely not your grandpa's Pirates of Silicon Valley 🏴☠️
Recommendations provided in .pdf 😀
*Huge* news for National Security Systems #cybersecurity. whitehouse.gov/briefing-room/…

Kim Zetter @KimZetter
93K Followers 3K Following Journalist - cyber/national security. Author - COUNTDOWN TO ZERO DAY: Stuxnet and the Launch of the World's First Digital Weapon. https://t.co/334DzfSL1f
Bailey Bickley @bailey_bickley
2K Followers 391 Following Personal handle, tweets my own. Dog person.
Sean Lyngaas @snlyngaas
14K Followers 5K Following @CNN cybersecurity reporter | Tips: Signal 202-355-8471 or SNLyng.11 | [email protected] | @DukeU/@FletcherSchool alum | Proud Dad | @LFC
Martin Matishak @martinmatishak
8K Followers 1K Following Senior Cybersecurity Reporter for @TheRecord_Media. Send tips to [email protected]. Signal: mmatishak.80
Joe Słowik 🌻 @jfslowik
28K Followers 1K Following CTI, OT/ICS, DE&TH, and related infosec content. Oh, and memes. And shitposting. Lots of shitposting.
Brian in Pittsburgh @arekfurt
7K Followers 777 Following Former attorney, current IT & infosec consultant in the 'Burgh. Happy to talk about password spraying one minute and constitutional law the next. Son of #wvu.
William Turton @WilliamTurton
30K Followers 5K Following Reporter @ProPublica Contact me on Signal using a non-work device: 804-295-7201 [email protected]
Lorenzo Franceschi-Bi... @lorenzofb
52K Followers 3K Following Senior reporter @TechCrunch, writing a book on Hacking Team and the industry of government spyware. ☎️ +1 917 257 1382
Morgan Adamski @adamski_morgan
2K Followers 283 Following PwC Principal for Cyber/Data/Tech. Cyber Queen. This is a personal handle and my tweets are my own. She/Her
Eric Geller @ericgeller
77K Followers 834 Following Senior reporter at @CyberSecDive covering all things digital security. I also co-host @hothtakes. | Send me tips: https://t.co/j2VflOTeFS
Nicole Beckwith @NicoleBeckwith
42K Followers 7K Following Director, Security Operations @kroger 🍓 Intel, Hunting, IR, Detection Engineering, Insider Risk, Fraud & Forensics 💻 Fmr LE & DFIR for OH & Secret Service TF.
Chris Bing @Bing_Chris
34K Followers 10K Following @propublica reporter: national security and technology. 📧: [email protected] / 📞(Signal): 771-217-8550. More contact info: https://t.co/FnTdrahhi0
Qeedi @Qeedi476348
15 Followers 1K Following
Marvui @Marvui90131
40 Followers 2K Following
Awnuilo @Awnuilo88564
26 Followers 919 Following
Sam Powell @SAMGPJR
79 Followers 8K Following
sunflower @sunflower714285
51 Followers 4K Following
Evlyn john @DesignEvlyn
7 Followers 128 Following A Portmanteau Of Eve (meaning "alive" in Hebrew) And Lynn (meaning "lake" in Welsh).
. @0x75f_
421 Followers 5K Following
Amy @amybillings34
279 Followers 3K Following
Ann @wareann9
278 Followers 3K Following
Eleanor @eleanor_porter2
323 Followers 3K Following
Josephine Montross @JosephineM23476
0 Followers 16 Following
Betty @bettyperry80
439 Followers 3K Following
Vxshellew @vxshellew
550 Followers 4K Following
Jared McKee @Tordynnar1
11 Followers 324 Following
M33r @Cy6erbounty
2 Followers 294 Following
CyberCareers.blog @cybercareerblog
183 Followers 2K Following Helping cybersecurity professionals everywhere level up. News, AI/ML, Tech, & Career Advice. 💻💾👨🏻💻🤖 Subscribe to our Newsletter: https://t.co/6ckQM6RS0J
RandoontheStreet @randoonthe
4 Followers 136 Following
Chris Stauder @Chris__Stauder
9 Followers 123 Following (following, retweets, and links ≠ endorsement)
Marco Essomba @marcoessomba
31K Followers 35K Following Founder & CTO @BlockAPT | Cybersecurity Expert | AI | Cybersecurity Mesh Architecture | CSMA | Tweet: #Automation #Quantum #Tech #CyberSecurity #Startups
Megan @mgnfltn
257 Followers 2K Following #Cybersecurity builder. Former @IBM, @sassoftware Recently joined Twitter for cyber and tech takes.
NUTS Technologies, In... @ZeroTrustData
132 Followers 990 Following Simplifying Data Privacy and Encryption for Everyone. #informationsecurity #infosec #privacy #dataprotection #zerotrustdata #internetofdata
Matt Charette @MMCharette
31 Followers 303 Following Security Operations Manager, Canadian, Packers fan, father, husband and crappy golfer.
Rich Vaccariello @VaccarielloRich
10 Followers 79 Following
VladimirNovotnyi @VNovotnyi
2 Followers 286 Following Only here to eat candy and procrastinate through doomscrolling.
Pratik Dhavade @PR4T1K_
171 Followers 1K Following 💻 Cybersecurity Enthusiast: {{5E6UR17Y 15 4 L1E)}
David Frederick @DaveFredCyber
109 Followers 143 Following Husband and father of three awesome grown kids, Army Veteran, Hobby Geek, New Mexico native, Executive Director of US Cyber Command
badekanrohan @badekanrohan
13 Followers 418 Following
Burke Tanner @TheNameIsBurke
457 Followers 5K Following #cybersecurity #infosec #edu #DIY | community: @L0nelyH4ckers
Kellyn @bookishzinnia
34 Followers 653 Following Student. Analyst. Easily Distracted. Buying books and reading books are two distinctly different hobbies
Moon Sulfab @MoonSulfab
244 Followers 1K Following Ph.D student at Virginia Tech School of Government and International Affairs. areas of research interests: Conflict in Cyberspace, and Information warfare.
Anthony Kava ║ DEPR... @anthonykava
1K Followers 4K Following hacker ║ speaker ║ investigator║ LE but EFF ➡️ cyber crime, infosec, digital forensics ║ (he|him) ║ PERSONAL 🕵️⚖ https://t.co/BKLeb8kY8K
Christian Ohanian (co... @CGOhanian
61 Followers 523 Following @TechLawSec. Cyber Lawyer. National Security. Intelligence. Former @NSAgov; views are my own.
M̶a̶t̶t̶h̶e̶w̶... @SindSec
258 Followers 2K Following 🏴ℕ𝕠𝕟-ℙ𝕖𝕣𝕞𝕚𝕤𝕤𝕚𝕧𝕖 𝔼𝕟𝕧𝕚𝕣𝕠𝕟𝕞𝕖𝕟𝕥 𝕊𝕡𝕖𝕔𝕚𝕒𝕝𝕚𝕤𝕥⚔️ 💣I Do Bad Things To Bad People With Computers💻 ✉️[email protected]📨
reader11235 @reader11235
4 Followers 107 Following
KathrynGruver @KathrynGruver
43 Followers 465 Following Christ follower, wife, mother, artist, sports fan, comedian. Okay, I’m not funny, but the rest is true.
Charlie Stadtlander @Charlie_Stadt
312 Followers 726 Following Information integrity and pleasant distractions. https://t.co/3PfY4yFu5e
TonyG @TonyG49492246
4 Followers 626 Following
Bilal Muqeet. @blmqt
627 Followers 3K Following Incident Response, APT enthusiast CRTP, eCTHP, eCIR Occasional bug bounty hunter @ https://t.co/cFXGkB0i6U #infosec #cybersecurity
Dan @Dan20922907
7 Followers 679 Following
Igor Kuznetsov @2igosha
2K Followers 339 Following Reverse engineering, soldering, programming, digital forensics & random stuff | Director @ Kaspersky GReAT | Tweets are my own
Bot @GlobalAffairs8
73 Followers 3K Following
vx-underground @vxunderground
368K Followers 291 Following The largest collection of malware source code, samples, and papers on the internet. Password: infected
Andrew Thompson @ImposeCost
39K Followers 1K Following Head of Research and Discovery (RAD) @Google Threat Intelligence Group via @Mandiant acquisition. Posts are attributable to me—not my employer. Former @USMC.
Bailey Bickley @bailey_bickley
2K Followers 391 Following Personal handle, tweets my own. Dog person.
Sean Lyngaas @snlyngaas
14K Followers 5K Following @CNN cybersecurity reporter | Tips: Signal 202-355-8471 or SNLyng.11 | [email protected] | @DukeU/@FletcherSchool alum | Proud Dad | @LFC
Martin Matishak @martinmatishak
8K Followers 1K Following Senior Cybersecurity Reporter for @TheRecord_Media. Send tips to [email protected]. Signal: mmatishak.80
Catalin Cimpanu @campuscodi
107K Followers 2K Following Parked account. I don't usually post here on a regular basis. Cybersecurity reporter. Check me out on BlueSky and Mastodon.
Justin Elze @HackingLZ
65K Followers 5K Following CTO @TrustedSec | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
John Hultquist @JohnHultquist
29K Followers 1K Following Chief Analyst, Google Threat Intelligence Group. @CYBERWARCON and @SLEUTHCON founder. Johns Hopkins professor. Army vet.
Joe Słowik 🌻 @jfslowik
28K Followers 1K Following CTI, OT/ICS, DE&TH, and related infosec content. Oh, and memes. And shitposting. Lots of shitposting.
Brian in Pittsburgh @arekfurt
7K Followers 777 Following Former attorney, current IT & infosec consultant in the 'Burgh. Happy to talk about password spraying one minute and constitutional law the next. Son of #wvu.
Alex Stamos @alexstamos
90K Followers 2K Following You can find me at: https://t.co/Enct5hx8bS https://t.co/CuE5u72rhW
U.S. Cyber Command @US_CYBERCOM
139K Followers 265 Following Official Twitter page of U.S. Cyber Command (Following, retweets and links do not equal endorsement)
NSA Cyber @NSACyber
149K Followers 12 Following We protect our nation’s most sensitive systems against cyber threats. Likes, retweets, and follows ≠ endorsement.
Thomas Rid @RidT
52K Followers 182 Following Author of ACTIVE MEASURES, RISE OF THE MACHINES, CYBER WAR WILL NOT TAKE PLACE, "Attributing Cyber Attacks," more. Johns Hopkins, Alperovitch Institute.
briankrebs @briankrebs
333K Followers 2K Following Independent investigative journalist. Author of 'Spam Nation,' a NYT bestseller. Former Washington Post reporter. Mastodon: https://t.co/fTKNavlMwp
Lorenzo Franceschi-Bi... @lorenzofb
52K Followers 3K Following Senior reporter @TechCrunch, writing a book on Hacking Team and the industry of government spyware. ☎️ +1 917 257 1382
J. A. Guerrero-Saade @juanandres_gs
16K Followers 274 Following Executive Director for Intelligence and Research @SentinelOne | Distinguished Fellow, @SAISHopkins Alperovitch |LABScon|Cyber Paleontologist|4thParty Collector
John Hammond @_JohnHammond
298K Followers 3K Following Cybersecurity Researcher @HuntressLabs || Just Hacking Training @JustHackingHQ w/ @ethicalhacker || https://t.co/UtsNJiyQtS || https://t.co/narO3sz7y6
JD Work @HostileSpectrum
9K Followers 1K Following Former intel, now academic @NDU_CIC, @TheKrulakCenter, @SIWPSColumbia @ColumbiaSIPA, @CyberStatecraft, @ElliottSchoolGW, @PAISWarwick. Apolitical, views=own
MAS @massgravel
20K Followers 105 Following MAS: An open-source Windows/Office activator https://t.co/vxuSXKDxOJ
stacksmashing @ghidraninja
48K Followers 452 Following Security researcher with a focus on hardware & firmware. I occasionally publish stuff on YouTube. Co-founder of @hextreeio. Contact: [email protected]
Tom🌶\(^-^)/🌶 in... @TomLawrenceTech
30K Followers 1K Following ⚠Tech Enthusiast, Open Source Advocate, Content Creator, DM's are not for tech support but forums are. ⚠ https://t.co/xbxWZOT69J
Andrew Morris (afk) @Andrew___Morris
21K Followers 3K Following 🔳 Internet listener. Founder/Chief Architect of GreyNoise Intelligence (@GreyNoiseIO)
sysadafterdark @sysadafterdark
13K Followers 2K Following 💻 Bastard Operator From Hell | ❤️ @mandolinsara
Will Schroeder @harmj0y
48K Followers 957 Following Researcher @SpecterOps. Coding towards chaotic good while living on the decision boundary.
Greg Linares (Laughin... @Laughing_Mantis
37K Followers 2K Following 20+ yrs in Infosec. Malware Influencer. I turn Malware into Art and Music. Art @MalwareArt. 4x Pwnie Nominee. 𝕍𝕏. GameDev. Autistic.
Will @BushidoToken
36K Followers 3K Following Senior Threat Intel Advisor @TeamCymru | Co-founder @CuratedIntel | Co-author @SANSForensics FOR589 | Co-founder @BSidesBournemth | @darknetdiaries #126: REvil
David Brumley @thedavidbrumley
4K Followers 482 Following Creating a world where everyone can trust apps they use. CEO and Co-Founder @ForAllSecure, Professor @cmu_ece and @CSDatCMU. Views are my own.
mdowd @mdowd
32K Followers 747 Following Internet Hacker. Founder of @vigilant_labs. Previously, co-founder of Azimuth Security (now L3Harris Trenchant)
sagitz @sagitz_
5K Followers 828 Following Cloud Security Researcher at @wiz_io • Microsoft Most Valuable Researcher 21/22/23 • Black Hat Speaker
Haifei Li @HaifeiLi
8K Followers 151 Following For contact in the security community. NOTE: All the tweets are totally my personal opinions, not about any of my current employer stuff.
Lukasz Olejnik @lukOlejnik
18K Followers 270 Following Security & Privacy. Data Protection. Research. Engineering. Analyst. Policy. W3C. Consultant. Author. Ph.D, LL.M. @warstudies
Anthony Weems @amlweems
3K Followers 270 Following Cloud Vulnerability Research • The opinions stated here are my own, not those of my company.
Kevin Collier @kevincollier
27K Followers 4K Following I cover digital threats @nbcnews. From WV. Dormant account. Try https://t.co/9UJdWRwcOS. [email protected], signal: kevincollier.01.
nyxgeek @nyxgeek
7K Followers 3K Following rebel scum, nerfherder, dogged and relentless. H/P/V/A/C Directory - https://t.co/qn0D9H7IIi
chompie @chompie1337
83K Followers 1K Following hacker, weird machine mechanic, X-Force Offensive Research (XOR)
b33f | 🇺🇦✊ @FuzzySec
33K Followers 1K Following 意志 / Antiquarian @ IBM X-Force / t501 / Ex-TORE ⚔️🦅 / I rewrite pointers and read memory / AI Psychoanalyst / Teaching @CalypsoLabs
assume_breach @assume_breach
4K Followers 140 Following Why yall have so many calculators in your screenshots? | QAnon Red Team | Labeled Misinformation Propagandist
Natalie Silvanovich @natashenka
45K Followers 2K Following Tamagotchi Hacker. Google Project Zero. She/her.
Joshua J. Drake @jduck
28K Followers 2K Following Securing the future through modern technology. Founder and Software Security Specialist at @magnetitesec
lcamtuf @lcamtuf
38K Followers 498 Following Substack: https://t.co/yFvmNisGW3 Homepage: https://t.co/iFAXZxCO5H
Tavis Ormandy @taviso
130K Followers 631 Following Vulnerability researcher at Google. This is a personal stream, opinions expressed are mine. I'm also @[email protected]
Ryan Duff @flyryan
3K Followers 1K Following Former Cyber Operations Tactician - USCYBERCOM. Tradecraft stickler. Tech Policy/Law Hobbyist. Sneakerhead. USAF vet.
CYBERWARCON @CYBERWARCON
6K Followers 569 Following #CYBERWARCON 2025 Registration and CFP are now open | 📧 Subscribe to receive updates at https://t.co/5lb0WvK6MJ
KDR @kristindelrosso
1K Followers 1K Following
Dakota Cary @DakotaInDC
3K Followers 1K Following China-Focused Consultant @sentinelone | Nonresident Fellow @ACGlobalChina | Adjunct @Georgetown | Unprofessional Cook | ❤️💜💙
Robert Lipovsky @Robert_Lipovsky
2K Followers 98 Following Principal Threat Intelligence Researcher at @ESET | Conference speaker | ɘƨɿɘvɘЯ Engineer
Lee Foster @LeeFosterIntel
2K Followers 173 Following Intel/CTI/Disinfo | Co-founder @Aspect_Labs, Adjunct @SAISHopkins @alperovitch | Former Director of Info Ops Analysis @Mandiant. All views my own etc.
Ollie Whitehouse @ollieatnowhere
6K Followers 1K Following CTO @NCSC Former: PortSwigger, Interrupt Labs, NCC Group, BlackBerry, Symantec and Atstake
Bill Marczak @billmarczak
13K Followers 358 Following senior researcher @citizenlab, phd @UCBerkeley, co-founder @BHWatch. كلنا راجعين
Dave Aitel @daveaitel
28K Followers 2K Following Cyber Security Researcher | Policy Analyst | Partner at https://t.co/OpZchMm8Sz | @[email protected]
Cyber Statecraft @CyberStatecraft
9K Followers 171 Following Official account of the @AtlanticCouncil's Cyber Statecraft Initiative. Working at the nexus of geopolitics & nat sec with cyber. RT≠Endorsement
Security Onion @securityonion
19K Followers 0 Following Peel back the layers of your enterprise and make your adversaries cry! FREE and OPEN platform BY defenders FOR defenders!
Matt Johansen @mattjay
44K Followers 2K Following Helping Secure the Internet | Long Island elder emo surviving in ATX | Expect: infosec current events, DFIR, appsec & cloudsec - and me!
David Imbordino @DavidImbordino
284 Followers 420 Following Public Servant, White Sox fan, craft cocktail aficionado, cyber dude
Andy Greenberg (@agre... @a_greenberg
71K Followers 1K Following 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]