k0zy @_k0zy
SinaCyber founder. Former @FBI and lead PANDA hunter @CrowdStrike. Apolitical, APAC, apothegmatic. Came to fight bad guys, stayed for the memes. Views = mine Joined January 2014-
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Another unfortunate and increasingly common case of Chinese MPS officers operating (not-so-in-the-shadows) on foreign soil to threaten and intimidate CN diaspora, US citizens, etc. CCP asks countries to "respect territorial integrity" then proceeds to violate theirs daily
Another unfortunate and increasingly common case of Chinese MPS officers operating (not-so-in-the-shadows) on foreign soil to threaten and intimidate CN diaspora, US citizens, etc. CCP asks countries to "respect territorial integrity" then proceeds to violate theirs daily
After six years, I’ve left @SixthTone. Or conditions were created for me to leave after publishing a project that criticized “zero-COVID,” which landed multiple people in hot water. It’s been bittersweet leaving a place we’ve built over the years but it was time. (A long 🧵)
Customers of @CrowdStrike @MsftSecIntel etc. will have been familiar with the location and names of actors from JUDGMENT PANDA/Zirconium for a couple years but always excited for I-T drops for corroboration & to see what's changed or what creative way they got there 🙃
Customers of @CrowdStrike @MsftSecIntel etc. will have been familiar with the location and names of actors from JUDGMENT PANDA/Zirconium for a couple years but always excited for I-T drops for corroboration & to see what's changed or what creative way they got there 🙃
What if there was a way to: • Mitigate climate change • Create more life • Grow the economy • And make money along the way? Let's call it *Seaflooding*
Your daily reminder that humans ruin everything
Good time to plug the three warfares. warontherocks.com/2018/01/chinas…
“99 spy balloons, floating in the summer skyyyy!!!” 🎈 nytimes.com/2023/02/12/us/…
My @CYBERWARCON talk covers the build up in PRC cyber talent and capabilities from 2013 til now. My latest find, which I'll debut there, is China's 2022 "Cybersecurity Talent Actual Combat Abilities White Paper, Attack & Defense Capabilities Edition"
I’m here for the saying of the quiet parts on a GIANT MEGAPHONE 📢 don’t really disagree with any of these takes 🤷♂️
One of the first things I always pointed out to clients in my early days at CrowdStrike whenever the inevitable Huawei questions rolled in. I miss OSC 😢
One of the first things I always pointed out to clients in my early days at CrowdStrike whenever the inevitable Huawei questions rolled in. I miss OSC 😢
Insane what Huawei gets away with… I don’t advocate for torture but that’s sure as hell what the Michaels got
Downloaded and starting tomorrow 😊
Woooooow. Lots to unpack here…
Did you know.. Cai Qi, a new (and arguably the least expected) China CCP Politburo Standing Committee member, visited Taiwan in 2012 and published a short diary? Here are my takeaways from reading it so you don't have to:
DRAGONBRIDGE is behind the strange APT41 attribution denialism and doing election related activity too. They are aggressive, well-resourced, but ultimately failing to get engagement. Election interference is no longer just Russia and Iran. mandiant.com/resources/blog…
*slaps hood of Monster can* “You can fit soo many conspiracy theories in this bad boy” 🤡 🤡
*slaps hood of Monster can* “You can fit soo many conspiracy theories in this bad boy” 🤡 🤡

Katie Nickels @likethecoins
55K Followers 3K Following Director of Intel at @redcanary. SANS Certified Instructor for FOR578: CTI. Senior Fellow at @CyberStatecraft. She/her. Mastodon: @[email protected]
John Hultquist @JohnHultquist
29K Followers 1K Following Chief Analyst, Google Threat Intelligence Group. @CYBERWARCON and @SLEUTHCON founder. Johns Hopkins professor. Army vet.
Dakota Cary @DakotaInDC
3K Followers 1K Following China-Focused Consultant @sentinelone | Nonresident Fellow @ACGlobalChina | Adjunct @Georgetown | Unprofessional Cook | ❤️💜💙
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.
Joe Słowik 🌻 @jfslowik
28K Followers 1K Following CTI, OT/ICS, DE&TH, and related infosec content. Oh, and memes. And shitposting. Lots of shitposting.
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
Tyler McLellan @tylabs
3K Followers 588 Following Intrusion aficionado. @Google/@Mandiant Advanced Practices
blackorbird @blackorbird
35K Followers 671 Following Peace and Love. Just Analysis/Hunter. #APT #threatIntelligence #Exploit #CTI Need Job
Nick Carr @ItsReallyNick
38K Followers 3K Following Tech Director / Threat Intelligence at Microsoft. Previously, Director of Incident Response & Intel Research at Mandiant. Former Chief Technical Analyst at CISA
Silas Cutler (p1nk) @silascutler
13K Followers 2K Following You may know me from your logs Research @Censys Advisor @IST_org & #DEVSEC Built @Only_Scans, @mal_share, #KeyDrop
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
Jordan Schneider @jordanschnyc
52K Followers 4K Following Newsletter: https://t.co/j23uuLxE59 join 50k readers Podcast: https://t.co/4sx8iev5Az Fellow: @cnasdc
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
J⩜⃝mie Williams @jamieantisocial
10K Followers 7K Following threats && stuff || #UNC1799 forever 🤘|| @DistrictHeather ♥️ + 🍷 **𝚅𝚒𝚎𝚠𝚜 𝚎𝚡𝚙𝚛𝚎𝚜𝚜𝚎𝚍 𝚊𝚛𝚎 𝚖𝚈 օ𝚠𝚗**
Bill Bishop @niubi
189K Followers 6K Following Sinocism https://t.co/PeEb563aPl Co-founded https://t.co/3cqWMGEe8g. Sharp China Podcast https://t.co/EhTkakDW5b
Félix Aimé @felixaime
6K Followers 2K Following Threat Intel. stakhanovite ⛏️ and proud dad. Former @Kaspersky & @CERT_FR. Principal CTI researcher at @sekoia_io, focused on state-sponsored / hybrid stuff.
Daniel Lunghi @thehellu
2K Followers 590 Following Threat researcher @TrendMicroRSRCH mostly focused on #APT
bk (Ben Koehl) @bkMSFT
3K Followers 773 Following Partner Director of Threat Intelligence at @Microsoft Threat Intelligence Center (MSTIC).
cyint_dude @cyint_dud... @CYINT_dude
5K Followers 2K Following Technical Director of #threatintel @thomsonreuters | rock climber & boulderer | tweets and views are my own | Mastodon:@[email protected]
timlake @timlake252160
0 Followers 2K Following
steve.jnr @stevejnr_
766 Followers 3K Following I share insights on AI, productivity, and tech | 💻 Software Engineer | Passionate about artificial intelligence and machine learning. | 📩[email protected]
IT CPE Academy @itcpecredit
284 Followers 4K Following Self-Study CPE Programs to help professionals acquire the skills, knowledge and certificates in IT and cybersecurity
Baptiste Robert @fs0c131y
257K Followers 5K Following CEO @PredictaLabOff | French Security Researcher, Ethical Hacking, OSINT
Nersore @Nersoredf8Fx
4 Followers 638 Following
nanjin002 @nanjin00272827
21 Followers 4K Following
Super Sheep (@qutluch... @Qutluch
452 Followers 3K Following When these frail shadows we inhabit now have quit the stage, we'll meet and raise a glass again together in Valhalla.
Kevin.m @klmitchell212
541 Followers 1K Following Mobile Security @Amazon | prev: iOS Engineer (@Accenture, @StateFarm, @Allstate) | GH: klmitchell2
spiegelmx @spiegel_mx
29 Followers 2K Following
hatchet @hatchet_v_1
7 Followers 433 Following
John Aziz @JohnAziz89
32 Followers 798 Following
A Tham @at_808080
5 Followers 418 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
Ada @terosla84549
100 Followers 4K Following 아주 아름다운 나라예요. 당신 나라의 남자들은 매우 신사적입니다. 당신과 친구하고 싶어요 https://t.co/9VzMDxlsMb LiYY1225543
Mike Girgis @donutexpedition
0 Followers 3K Following
Martin Wendiggensen @Dr_Machinavelli
302 Followers 409 Following PhD candidate @alperovitch; MAIR @SAISHopkins ; trying my luck with Statecraft AI (https://t.co/rEzb3PuGaN); formerly @MZESUniMannheim & @NATO
PIVOTcon @pivot_con
933 Followers 276 Following Threat Research Conference in Europe - Malaga, Spain - 7-9 May 2025. #StayTuned #ComingSoon #PIVOTcon #PIVOTcon25
Icewesel @icewesel
6 Followers 265 Following
Frank Boldewin @r3c0nst
5K Followers 322 Following Reverser, Malware Researcher, Threat Intelligence dude, focused on hunting APTs targeting the financial industry. https://t.co/lLGcnbam8y
crawler_cookie_0 @crawler_cookie0
49 Followers 4K Following
Fred Wolen @wolen_f
0 Followers 56 Following
visi stark @invisig0th
4K Followers 671 Following Founder @vtxproject Father of the #APT1 Report @mandiant / @fireeye Inventor of synapse, vivisect, UNCs, imphash, ... DEFCON CTF Champion, Founder of Kenshoto
DigitalEra Group @Digitaleragroup
439 Followers 2K Following Empowering Confidence with Cybersecurity, Secure Infrastructure, Integrated Systems and AI solutions for businesses across the USA & Caribbean💼🛡️
Matt Heintz @MattHeintz4
55 Followers 2K Following MA student Intelligence and Security Studies at The Citadel. Reposts not endorsements. Aspiring intel analyst. #GoChiefs #GoRoyals #GoCeltics
Kim Agarth @kim_agarth
10 Followers 149 Following
Warrior @_fordone
29 Followers 576 Following 🛡 Red Teaming 🛡 #HelloWorld i love linux and hate windows📌⛓
Martin Untersinger @martin_u
20K Followers 1K Following Journaliste au Monde (@pixelsfr), parti poster ici : https://t.co/f98azD6u0k
Prelude @preludeorg
2K Followers 506 Following Prelude is building the next generation of endpoint security to augment existing tools and catch the threats they can't see yet.
Melissa D. @meldeorio
70 Followers 720 Following
Katherine Kurata @KatherineKurata
242 Followers 500 Following Interested in complex networks in fragile spaces. Views my own.
o_pi @o_piuu
27 Followers 2K Following
Nate Beach-Westmorela... @NateBeachW
7K Followers 308 Following Cyber threat analyst focused on state-aligned adversaries. @Cornell & @JacksonYale grad. Opinions are my own, not my employer's. #threatintel #infosec #osint
Robin @robin20arellano
1K Followers 3K Following
Katie Nickels @likethecoins
55K Followers 3K Following Director of Intel at @redcanary. SANS Certified Instructor for FOR578: CTI. Senior Fellow at @CyberStatecraft. She/her. Mastodon: @[email protected]
John Hultquist @JohnHultquist
29K Followers 1K Following Chief Analyst, Google Threat Intelligence Group. @CYBERWARCON and @SLEUTHCON founder. Johns Hopkins professor. Army vet.
Dakota Cary @DakotaInDC
3K Followers 1K Following China-Focused Consultant @sentinelone | Nonresident Fellow @ACGlobalChina | Adjunct @Georgetown | Unprofessional Cook | ❤️💜💙
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.
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.
Florian Roth ⚡️ @cyb3rops
206K Followers 3K Following Head of Research @nextronsystems #DFIR #YARA #Sigma | detection engineer | creator of @thor_scanner, Aurora, Sigma, LOKI, YARA-Forge | always busy ⌚️🐇 | vi/vim
Joe Słowik 🌻 @jfslowik
28K Followers 1K Following CTI, OT/ICS, DE&TH, and related infosec content. Oh, and memes. And shitposting. Lots of shitposting.
Steve YARA Synapse Mi... @stvemillertime
17K Followers 1K Following threat intelligence @google writing & sharing on adversary tradecraft, malware, threat detection, AI-nexus intel and all things #yara
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
Gabby Roncone 🇺�... @gabby_roncone
5K Followers 1K Following hunting russian apt cyber ops @Mandiant @GoogleCloud. views expressed here are mine, not my employer’s. she/her.
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
Tyler McLellan @tylabs
3K Followers 588 Following Intrusion aficionado. @Google/@Mandiant Advanced Practices
blackorbird @blackorbird
35K Followers 671 Following Peace and Love. Just Analysis/Hunter. #APT #threatIntelligence #Exploit #CTI Need Job
Nick Carr @ItsReallyNick
38K Followers 3K Following Tech Director / Threat Intelligence at Microsoft. Previously, Director of Incident Response & Intel Research at Mandiant. Former Chief Technical Analyst at CISA
Silas Cutler (p1nk) @silascutler
13K Followers 2K Following You may know me from your logs Research @Censys Advisor @IST_org & #DEVSEC Built @Only_Scans, @mal_share, #KeyDrop
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
Jordan Schneider @jordanschnyc
52K Followers 4K Following Newsletter: https://t.co/j23uuLxE59 join 50k readers Podcast: https://t.co/4sx8iev5Az Fellow: @cnasdc
JD Work @HostileSpectrum
9K Followers 1K Following Former intel, now academic @NDU_CIC, @TheKrulakCenter, @SIWPSColumbia @ColumbiaSIPA, @CyberStatecraft, @ElliottSchoolGW, @PAISWarwick. Apolitical, views=own
Dennis Wilder偉德�... @dennisw5
6K Followers 600 Following Sinologist, Professor of Asian Studies Georgetown University, former senior US official, former editor of the President's Daily Brief (PDB), Chautauquan
DistrictCon @DistrictCon
997 Followers 26 Following A new DC hacker conference: Bringing together builders, breakers, and fixers to do cool shit. 🪩 Year 1: January 24-25, 2026 🪩 https://t.co/qYKu4hl0Uj
安坂星海 Azaka ||... @AzakaSekai_
11K Followers 6K Following ‧₊˚ ⋅ Indie Comfy VTuber ⊹˚. Employed Threat Intel Researcher ♡‧₊˚ SynthV Cover Artist / Vocal Manip. 🎨: @jamama_666 / @MomoiroKohi / @justNovaj 🖌️: #artsyaz
Marc Rogers @marcwrogers
17K Followers 1K Following Ramblings of Mad Englishman: Hacker @ BBC Real Hustle & Mr Robot. Head of Sec @ DEFCON. Founder @ CTI-League, Ransomware Taskforce, (He/Him).
PIVOTcon @pivot_con
933 Followers 276 Following Threat Research Conference in Europe - Malaga, Spain - 7-9 May 2025. #StayTuned #ComingSoon #PIVOTcon #PIVOTcon25
alon @41thexplorer
1K Followers 567 Following ✨ Leading research & AI @wiz_io ⚠️ @cloudvulndb maintainer 🎙️ https://t.co/DKKysajdfF producer
Huntress @HuntressLabs
37K Followers 536 Following Managed #cybersecurity without the complexity. EDR, ITDR, SIEM & SAT crafted for under-resourced IT and Security teams.
Alvin Lum @alvinllum
40K Followers 4K Following Political reporter @mingpaocom, covering Hong Kong's political and justice system. RT = cares about, but not necessarily agrees.
Blake Herzinger @BDHerzinger
36K Followers 2K Following Navies, Supply Chains, Trade, Asian Security, Part-Timer | @cimsec @ip_advisors @AEIfdp @USSC @twitter @PacificForum @PacificFleet. Personal opinions.
harryzhangasia @harryzhangasia
264 Followers 4K Following International Affairs and Asian Studies | Masters Student | Hopkins SAIS Georgetown SFS | Brookings CSIS
Mark Parker Young @MarkParkerYoung
830 Followers 386 Following Former Deputy National Intelligence Officer for East Asia and former senior nonresident fellow at the Atlantic Council. Views my own.
Nury Turkel @nuryturkel
17K Followers 3K Following Lawyer & Author of the award-winning book, "NO ESCAPE" https://t.co/IK460d7fHB
Karson Elmgren @kelmgren
1K Followers 3K Following 徐森凱 | now AI policy research @RANDCorporation prev @CSETGeorgetown @OpenAI &c | 🗣 中文 русский … | 横眉冷对千夫点赞
AJ Vicens | @ajvicens... @AJVicens
10K Followers 9K Following Cybersecurity correspondent @Reuters. Was @CyberScoopNews, @MotherJones, @UMKnightWallace Signal preferred: ajvicens.57 (more: https://t.co/VC3mfeOaua)
R3MRUM @R3MRUM
955 Followers 1K Following Professional lurker focused on reverse engineering. Built and led CIRT teams in a past life. I enjoy solving puzzles and punching miscreants.
Federico Kirschbaum @fede_k
7K Followers 4K Following VP of Research & Development @faradaysec. Founder of @ekoparty security conference, Usual suspect, Troublemaker
Yael @yaelwrites@mast... @yaelwrites
10K Followers 2 Following i moved to bluesky https://t.co/DygD4xrPBD
Mike Wiacek @MikeWiacek
3K Followers 736 Following Am - Stairwell Founder/CEO; @InsideStairwell - We’re hiring; - Was - Cofounder of Alphabet's Chronicle; Life Passions == 👨🖥📷🏂🤿🍳🔬🔑🤓❤
[email protected]... @Xtemporality
196 Followers 302 Following Reverse Engineer && Digital Investigator; Opinions are my own.
Danny 🌻 @dadamitis
623 Followers 448 Following Security Researcher @ Lumen, black coffee connoisseur, dog lover, follower of sea turtles, SHU 13, my thoughts are my own. (he/him)
ashley @iamshley_a
829 Followers 599 Following ughhhh back on X || don’t expect much from this account || @mandiant/@googlecloud
Pasquale Stirparo �... @pstirparo
4K Followers 2K Following #ThreatIntel #ICS #DFIR; ''Learning iOS Forensics'' author; machofile dev; #BSidesZH #PIVOTcon24 organizer; pers.: @pstirparo_pers; https://t.co/AoJV9URXf6
Charlie Gardner @zcracga
500 Followers 475 Following Senior threat intelligence analyst @volexity charliegardner on Keybase
TeamT5 @TeamT5_Official
2K Followers 20 Following Top Malware Researcher & #Cybersecurity Solution Provider in Asia & Pacific Intelligence Portal: #ThreatVision EDR Solution: #ThreatSonar_Anti_Ransomware
SentinelOne @SentinelOne
56K Followers 1K Following ONE autonomous platform to prevent, detect, respond, and hunt. Do more, save time, secure your enterprise: https://t.co/N75g1HAnCs 🐱💻
DΛNIΞL @hypoweb
3K Followers 1K Following
Allison Wikoff @SaltyWikoff
638 Followers 826 Following #threatintel Americas Lead @pwc. Hype woman. Beach Rat. Former Adjunct @Columbia. Lover of all the APTs. | All views are my own.
LABScon @labscon_io
2K Followers 977 Following Speaker line-up: https://t.co/kLR0P3Ai9V Code of conduct: https://t.co/PcVjNbOk1O
J⩜⃝mie Williams @jamieantisocial
10K Followers 7K Following threats && stuff || #UNC1799 forever 🤘|| @DistrictHeather ♥️ + 🍷 **𝚅𝚒𝚎𝚠𝚜 𝚎𝚡𝚙𝚛𝚎𝚜𝚜𝚎𝚍 𝚊𝚛𝚎 𝚖𝚈 օ𝚠𝚗**
twilio @twilio
82K Followers 9K Following Developers love us. Enterprises trust us. Power your customer engagement innovation with Twilio.
Signal @signalapp
595K Followers 23 Following Signal is an end-to-end encrypted messaging app. Privacy isn’t an optional mode, it’s just the way that Signal works. Every message, every call, every time.
Van @Wanna_VanTa
4K Followers 393 Following Research & Discovery Lead @Mandiant @googlecloud Specialties: researching adversary tradecraft, hardstuck masters TFT, and losing sneaker raffles.
Rufus @rufusmbrown
1K Followers 279 Following @Mandiant / @GoogleCloud | Advanced Practices 🦅| @GeorgiaTech | opinions are my own
Perri Adams @perribus
7K Followers 993 Following @Dartmouth ISTS Fellow & @SAISHopkins Adjunct Prof., inter alia. Former @DARPA, @DEFCON CTF, etc. @DistrictCon, @hexacon_fr, @LABScon_io is CFP Review Boards
KDR @kristindelrosso
1K Followers 1K Following
Jon Stewart @jonstewart
1.6M Followers 3 Following
Pete Strzok @petestrzok
232K Followers 179 Following
Chris Krebs @C_C_Krebs
233K Followers 3K Following
Tom Klein @newsjoisey
215 Followers 1K Following Cyber Policy | National Security 🧑💻@cisagov 👔@FP4America @outinnatsec 🎓 @BlavatnikSchool @FulbrightPrgrm @NYUAbuDhabi he/him (views my own)
Daniel Gordon @ValidHorizon
682 Followers 276 Following Thought Trailer, Cyber Threat Intel, DFIR, and influence operations. Blocked by a lot of terrible people. He/him ValidHorizon on the other site
Sarah Powazek (inacti... @SPowazek
313 Followers 419 Following This account is inactive. M@st0d0n: (at) spowazek at infosec (dot) exchange.
Michaela Lee @twisterlee
534 Followers 1K Following Working on cyber strategy, emerging tech & human rights | Thoughts are my own and tweeting in personal capacity
Darktrace @Darktrace
18K Followers 1K Following Global leader in AI cybersecurity, securing organizations by learning from unique data in real time to detect and counter threats with precision and speed.
The Wire China @thewirechina
13K Followers 662 Following Covering China like no one else. Free Newsletter: https://t.co/mihFddSez8 Subscriptions: https://t.co/dICTFNRaey
NSA/CSS @NSAGov
1.1M Followers 0 Following National Security Agency/Central Security Service official account, home to America's codemakers and codebreakers. Likes, retweets, and follows ≠ endorsement.
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)