Matt Kelly @breakersall
Red Teamer; threat hunter, boilermakers sports fan. infosec.exchange/@breakersall Chicago Joined July 2011-
Tweets4K
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Followers2K
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Following1K
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Likes5K
“The level of cybercrime has risen to the point where it feels overwhelming. And every year it gets worse. And it feels like as defenders, it's almost like we're winning every battle and losing the war,” says Allison Nixon, a cybersecurity researcher. cbsn.ws/3Jh3nyL
What are five topics you can talk about for 30 minutes with zero prep? Mine are: 1. Why Armageddon, the movie, is a masterpiece in private/public partnership (oil drillers/NASA Astronauts), and how that is a blue print for Cyber Threat Intel Sharing. 2-5. Related to above.
What are five topics you can talk about for 30 minutes with zero prep? Mine are: 1. Why Armageddon, the movie, is a masterpiece in private/public partnership (oil drillers/NASA Astronauts), and how that is a blue print for Cyber Threat Intel Sharing. 2-5. Related to above.
As foretold - LLMs are revolutionizing security research: hackerone.com/reports/2298307
The attackers were very sophisticated. They were drinking expensive wine and listening to classical music while they exfiltrated the data.
Microsoft has identified new Qakbot phishing campaigns following the August 2023 law enforcement disruption operation. The campaign began on December 11, was low in volume, and targeted the hospitality industry. Targets received a PDF from a user masquerading as an IRS employee.
Hey @elonmusk yesterday I asked if you could amplify the other side - you know free and balanced speech and all? Remember when we hacked your Model S in 2013 & 2015? Remember how you asked us not to share until patches ready & you could share your side? cti-league.com/statement-by-m…
Hey @elonmusk yesterday I asked if you could amplify the other side - you know free and balanced speech and all? Remember when we hacked your Model S in 2013 & 2015? Remember how you asked us not to share until patches ready & you could share your side? cti-league.com/statement-by-m…
The Mirai kids finally have chosen to tell their story, and I'm proud of them beyond measure. I'm also grateful to them for the work they've done in the years since. Their futures are bright. wired.com/story/mirai-un…
Remember when breach reports consisted of technical analysis of the intrusion and not just thinly veiled marketing attempts shilling their security products?
👀 comm groups like scattered spider/unc3944...
👀 comm groups like scattered spider/unc3944... https://t.co/1yldWjfW1z
Didn't expect to lookout the window today and see someone free climbing the Accenture Tower building (Olgivie) today (with a drone following him)...
Smelling smokey in Chicago today.
Tired of not being able to click Defanged URLs? Same. Created a CyberChef recipe to 'Refang' URLs making them clickable once again. This may be irresponsible. github.com/breakersall/Cy… Pull request pending.
Fortinet SSL VPN embargoed vulnerability (but early patch Jun 8th) details dropped:
Fortinet SSL VPN embargoed vulnerability (but early patch Jun 8th) details dropped:
VMWare zero-days are way more fun when they are introduced with DMX style format. Anyway, great blog from Mandiant 🎆, read this. mandiant.com/resources/blog… The 0-day allows host2guest OS cmd exec, and is a very late kill-chain (after significant priv esc) post-exploitation tactic.

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
Justin Elze @HackingLZ
65K Followers 5K Following CTO @TrustedSec | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
Dave Kennedy @HackingDave
223K Followers 6K Following Founder @Binary_Defense @TrustedSec Co-Owner https://t.co/HQC75WhdJh. @WeHackHealth Pod. God + Family/Hacker/CSO/USMC/Intel/Fitness. Make the world a better place.
SwiftOnSecurity @SwiftOnSecurity
405K Followers 9K Following computer security person. former helpdesk.
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.
Adam Chester 🏴�... @_xpn_
36K Followers 501 Following Hacker for Hire at @SpecterOps | Blog at https://t.co/tjfTOllCEu | Insta at https://t.co/PqR6CZPwjl
💻 Sherrod DeGrippo... @sherrod_im
36K Followers 7K Following Weird security voyeur. Vibe merchant. CISO of your 🩷 Official USPS fan account. 🎉 Host of THE Microsoft Threat Intelligence Podcast. I like crime actors.
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]
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
Samir @SBousseaden
25K Followers 1K Following Detection Engineering | Elastic Security Mastodon: @[email protected]
Will @BushidoToken
36K Followers 3K Following Senior Threat Intel Advisor @TeamCymru | Co-founder @CuratedIntel | Co-author @SANSForensics FOR589 | Co-founder @BSidesBournemth | @darknetdiaries #126: REvil
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
. @TrueProphet117
0 Followers 190 Following
Atwirwo @Atwirwo0962
17 Followers 1K Following
Norbert @NB1r0
59 Followers 3K Following
Divyansh_Tak @Divyansh_Tak7
2 Followers 147 Following
ZeroRyuu 🐉 @zeroryu_bytes
10 Followers 183 Following 🐉Threat Hunter | Cybersecurity Enthusiast Passionné par la chasse aux menaces & l’informatique Toujours en quête du prochain mystère digital 🕵️♂️
Nicolas Cartwright-Zi... @NicolasZie60451
71 Followers 4K Following
Sergio Mazariego @s3rgiomazari3go
1K Followers 3K Following Security Researcher, I write about Cybersecurity 🛡️, Digital Forensics, Offensive Security and Web 3.0.
GailGregory @67xy0CFh9OpUr
65 Followers 7K Following
xss0r @xss0r
6K Followers 3K Following xss0r Deploying an alert box in a web app is like having a tiny pop-up comedian shout 'Surprise!' whenever you least expect it! #xss0r #ibrahimXSS #Blindxss0r
Sitalu @Sitalu7
0 Followers 1K Following
JanicePrice @TL2U4pIZdQC3h
59 Followers 7K Following
Lukas Forst @lukasf0rst
79 Followers 551 Following engineer forced to talk to people, teaching cyber-sec @ctu_cs, co-founder @reconwave, previously co-founder @mildblueai and SWE
الاسطورة @R_D1_Q
6 Followers 180 Following
McRarshe @McRarsheqO4
62 Followers 5K Following
Deborah @masumotoot11679
60 Followers 7K Following
Rukkia. @Rukkia___
484 Followers 1K Following
DinahCarpenter @R5emW2U1jIu3I30
78 Followers 7K Following
Pku @impkuu
165 Followers 3K Following SecOce #DigitalSherlock #CyberSecurity #ThreatIntelligance #ThreatHunter #Malware #ThreatInvestigator #OSINT #DFIR #InfoSec #Disinformation #DFRLab
Stalkt_maiden @StalktMaiden
5 Followers 229 Following
Mahmoud Sharaf Eldin @MahmoudSha84488
60 Followers 215 Following
Šimon Matouš @schimpanze
55 Followers 746 Following
ScatGPT @zax1133
692 Followers 1K Following Hacker, Veteran, Agitator. Cyber Security | Data Science | Shitposting. He/Him.🇵🇸📎
∆®€dDy@4 @dyoggofo
82 Followers 1K Following
KayBryan @0n7Iv9t04EER23M
33 Followers 4K Following
Advik @Ad_vi_k
80 Followers 5K Following
Chris @hferyoa
392 Followers 1K Following Pokémon Stadium 2 rentals only evangelist | Aspiring air hockey world champ | Views are my own (and I shouldn't be posting them here)
Me @drifter09876
90 Followers 2K Following
AKIRA @AK1RAx01
193 Followers 6K Following
Web @WebTesty
0 Followers 3K Following
Virtual Vinny @virtualvinny
248 Followers 3K Following IT security advocate. I tell it as it is & opinions are my own. RT's != endorsement. (Mastodon: @[email protected])
nackeur @nackeur
56 Followers 4K Following
موقع التسوي... @gc9NhvjQ3vOjTYc
2K Followers 7K Following تسويق والاعلان المنتجات تجاري عبر وسائل التواصل الاجتماعي Marketing and advertising commercial products through social media 通过社交媒体营销和广告商业产品
Danny Padwa @dpadwa0
53 Followers 374 Following FinTech nerd by day....and too often by night. My kids don’t like my jokes either. Hedging TWTR at @dpadwa0.bsky.social and @[email protected]
seto @radweto
6 Followers 54 Following
sprucegoosed @sprucegoosed
4 Followers 451 Following
vx-underground @vxunderground
368K Followers 290 Following The largest collection of malware source code, samples, and papers on the internet. Password: infected
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
Justin Elze @HackingLZ
65K Followers 5K Following CTO @TrustedSec | Former Optiv/SecureWorks/Accuvant Labs/Redspin | Race cars
Dave Kennedy @HackingDave
223K Followers 6K Following Founder @Binary_Defense @TrustedSec Co-Owner https://t.co/HQC75WhdJh. @WeHackHealth Pod. God + Family/Hacker/CSO/USMC/Intel/Fitness. Make the world a better place.
SwiftOnSecurity @SwiftOnSecurity
405K Followers 9K Following computer security person. former helpdesk.
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.
Michael Koczwara @MichalKoczwara
23K Followers 2K Following Threat Researcher/Founder @Intel_Ops_io Threat Intelligence, Adversary Infrastructure Hunting, Curated TI Feed (Coming Soon) https://t.co/VQWaze6gaF
Adam Chester 🏴�... @_xpn_
36K Followers 501 Following Hacker for Hire at @SpecterOps | Blog at https://t.co/tjfTOllCEu | Insta at https://t.co/PqR6CZPwjl
💻 Sherrod DeGrippo... @sherrod_im
36K Followers 7K Following Weird security voyeur. Vibe merchant. CISO of your 🩷 Official USPS fan account. 🎉 Host of THE Microsoft Threat Intelligence Podcast. I like crime actors.
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]
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
Samir @SBousseaden
25K Followers 1K Following Detection Engineering | Elastic Security Mastodon: @[email protected]
Mick Douglas 🇺🇦... @bettersafetynet
30K Followers 568 Following Consultant for InfoSec Innovations | @SANSInstitute Principal Instructor | @IANS_Security Faculty | I like information security. How about you?
Josh @passthehashbrwn
10K Followers 332 Following Adversarial Simulation at IBM, tweets are mine etc.
Will @BushidoToken
36K Followers 3K Following Senior Threat Intel Advisor @TeamCymru | Co-founder @CuratedIntel | Co-author @SANSForensics FOR589 | Co-founder @BSidesBournemth | @darknetdiaries #126: REvil
John Hultquist @JohnHultquist
29K Followers 1K Following Chief Analyst, Google Threat Intelligence Group. @CYBERWARCON and @SLEUTHCON founder. Johns Hopkins professor. Army vet.
The White House @WhiteHouse
2.5M Followers 6 Following The Golden Age of America Begins Right Now. 📱 Text USA to 45470 to receive alerts.
Israel Radar @IsraelRadar_com
131K Followers 546 Following Mideast War & Conflict • Intelligence & Early Warnings • Regional Security & Defense • If you wish to support my work: https://t.co/WPQQnF2tsE
Emanuel (Mannie) Fabi... @manniefabian
160K Followers 979 Following @TimesOfIsrael military correspondent | @bengurionu alum/lecturer | [email protected] | https://t.co/mBO56kx2o4
Mary Ann Ahern @MaryAnnAhernNBC
43K Followers 3K Following Politics, Church and The Brief. NBC5 Chicago, BAJohnCarroll, LoyolaRome, Frmr Teacher, MEd Northeastern , MSJ Medill, NBC Peoria & Atlanta
OSINTdefender @sentdefender
1.5M Followers 1K Following Open Source Intelligence Monitor focused on Europe and Conflicts across the World. RT ≠ Endorsement. Want to Support my Work? https://t.co/PcUbewvWPr
SECurityTr8Ker @SECurityTr8Ker
4K Followers 5 Following I used to monitor the SEC's RSS feed for 8-K filings disclosing cybersecurity incidents. Last review: 2025-08-04 10:15 ET
Matt Zorich @reprise_99
14K Followers 2K Following @Microsoft Security | https://t.co/HWozKuixTi | Tweets are my own
J⩜⃝mie Williams @jamieantisocial
10K Followers 7K Following threats && stuff || #UNC1799 forever 🤘|| @DistrictHeather ♥️ + 🍷 **𝚅𝚒𝚎𝚠𝚜 𝚎𝚡𝚙𝚛𝚎𝚜𝚜𝚎𝚍 𝚊𝚛𝚎 𝚖𝚈 օ𝚠𝚗**
Tony James @tx3_
122 Followers 529 Following
Havoc @Havoc_Six
53K Followers 6K Following Army Engineer Vet & militant sarcasm enthusiast | Defense, foreign policy, & absurdism | Host Trip Wired | Historia magistra vitae | Opinions = mine alone |
shubs @infosec_au
56K Followers 2K Following Co-founder, security researcher. Building an attack surface management platform, @assetnote
MCKSys Argentina @MCKSysAr
1K Followers 147 Following Exploit Writer, Reverser, Old School Cracker, Atheist, etc. Breaking stuff since '98. Tweets are my own.
Dakota Cary @DakotaInDC
3K Followers 1K Following China-Focused Consultant @sentinelone | Nonresident Fellow @ACGlobalChina | Adjunct @Georgetown | Unprofessional Cook | ❤️💜💙
Steven @0xthirteen
3K Followers 900 Following Working to become smarter everyday. Adversary Simulation Service Architect @SpecterOps.
Nick Powers @zyn3rgy
2K Followers 225 Following Adversary Simulation @SpecterOps | Previously @Rapid7 & @Protiviti
Threat Insight @threatinsight
11K Followers 218 Following @Proofpoint's insights on targeted attacks & the security landscape. Follow us on Bluesky: https://t.co/8OVfhotdeP
Chicago 13.1 @Chicago13_1
515 Followers 23 Following The official Twitter handle for the Bank of America Chicago 13.1. Follow along for event updates and to share your festival experience. #ChiThirteenOne
Moloch @LittleJoeTables
5K Followers 641 Following Offsec at OpenAI Formerly of @BishopFox https://t.co/YcsVLOe1EL https://t.co/z3UKx3VEBH
Stairwell @InsideStairwell
1K Followers 64 Following We're a cybersecurity company that empowers teams to outsmart any attacker. Learn about our Inception platform.
Paul Rascagnères @r00tbsd
17K Followers 2K Following Lord of Loaders at @Volexity | Mastodon account: 🐘 @[email protected] | Bsky @r00tbsd.bsky.social
William "Balloon Guy"... @TheKimulation
12K Followers 2K Following NatSec, memes, and NatSec memes. High-altitude balloon enthusiast and Air Power Metamorphosis enjoyer. Views/memes are my own
Brian McGough @brian_mcgough
468 Followers 1K Following I play with bad code and hope i don’t run it in the wrong box. I mostly shit-post. I was small circle famous once.
Fabian Wosar @fwosar
11K Followers 21 Following Slayer of ransomware, lover of cats and polar bears. Not to be taken too seriously. All posts are my own.
Army Cyber Command @ARCYBER
41K Followers 572 Following Official X page of U.S. Army Cyber Command (Following, retweets and links do not equal endorsement)
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
bk (Ben Koehl) @bkMSFT
3K Followers 771 Following Partner Director of Threat Intelligence at @Microsoft Threat Intelligence Center (MSTIC).
Dr. Anton Chuvakin @anton_chuvakin
41K Followers 9K Following Information security - #SIEM, #DFIR, #EDR formerly at Gartner! Now @GoogleCloud Office of the #CISO; host of @CloudSecPodcast https://t.co/VpKtfz8nXG
🇨🇦PJ⌨🏋🏻... @PJ47596176
2K Followers 3K Following 🇨🇦whisky; cyber; natsec; Greater Toronto; innovation; girl dad.🌻.
Joe Hannon @JoeHannon52
519 Followers 1K Following Security researcher @ MSTIC, Microsoft https://t.co/8IO8nzNnAQ
John @Big_Bad_W0lf_
2K Followers 690 Following Bad guys and Breaches with #AdvancedPractices 🦅 @Mandiant / @Google | tweets are my own
@scottjshapiro.bsky.s... @scottjshapiro
81K Followers 411 Following Southmayd Prof @YaleLawSch + Philosophy @Yale. Ed, @LegalTheory + Stanford Encyclopedia of Phil. “Fancy Bear Goes Phishing".
Justin Kohler @JustinKohler10
659 Followers 181 Following VP Products @Specterops. Father of 4. Biking is life. He/him.
Chet Dorn, Parody Glo... @chetdorn
3K Followers 0 Following The parody Global CISO at @XSecurity. Ex-$BIGCO, ex-husband.
Jay Healey @Jason_Healey
11K Followers 2K Following Personal account - he/him. @ColumbiaSIPA. Founder of Cyber 9/12 student competition. AF Veteran, White House. Review board @BlackHatEvent @defcon
🌻мара-яга¹ @marasawr
5K Followers 279 Following ¹ OG citation wizard; baddie-bonking femme them. Fmr cyber policy meganerd. the⟦y|m⟧ 🏳️⚧️ https://t.co/9ZBG9QgIEZ🦣 https://t.co/lzRk1ZO3K8
Saint Javelin @saintjavelin
227K Followers 469 Following We started with one sticker and have now contributed over $2M to Ukraine's war effort since February 2022. DISCOVER OUR NEW COLLECTION 👇
The State of LinkedIn @StateOfLinkedIn
282K Followers 4 Following LinkedIn is a breeding ground for lies & brown-nosing. Exposing the worst. We are in no way associated with LinkedIn.
Shelby Grossman @shelbygrossman
9K Followers 5K Following Research Scholar at the Stanford Internet Observatory. Political Scientist. @[email protected]
Graphika @Graphika_NYC
9K Followers 2K Following We create the world’s most detailed maps of social media landscapes and use our technology to analyze information flows online.
thebesteric.eth @thebesteric
156 Followers 808 Following People think I care, but I don't. I just wanna know, cause once I know, I don't care.