Ian Reynolds @_IanReynolds
@ianreynolds.bsky.social :: Security Operating , Incident Responding, Forensicating head scratcher :: {pick-a-colour}-teamer :: SANS Instructor :: Joined November 2009-
Tweets190
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After two years, the @CCBbelgium is thrilled to invite you to the highly anticipated return of the Quarterly Cyber Threat Report (QCTR) event on Friday 25 April 2025, from 14h00 to 16h00 (CET/UTC+2). Cyber threats never rest—and neither do we. Join us events.zoom.us/ev/Ao8U9Mou_HX…
🤓 Since the #100daysofYARA challenge started, I decided to release my YARA cheat sheet version 2, extracted from my book Visual Threat Intelligence! I hope you will find it useful! Have fun 👇 And if you like this one you might like the full book: store.securitybreak.io/threatintel…
It's easy to overlook how the OS evolves and how that affects the system posture. Worth taking some time to take a look at the options available.
It's easy to overlook how the OS evolves and how that affects the system posture. Worth taking some time to take a look at the options available.
Prevention: Disable troubleshooting wizards Remove the extension association Stop Office apps from spawning procs docs.microsoft.com/en-us/microsof…
Prevention: Disable troubleshooting wizards Remove the extension association Stop Office apps from spawning procs docs.microsoft.com/en-us/microsof…
Y'all need to support your local infrastructure patch team today so they can patch all of the things. The only updside, it's not the weekend... yet 🤔
Y'all need to support your local infrastructure patch team today so they can patch all of the things. The only updside, it's not the weekend... yet 🤔
⚠️ Urgent Webcast ⚠️ Join Tim Conway, @digihash, @robtlee & @MalwareJake as they outline current Russian Threat Actor capabilities, discuss critical infrastructure attacks on Ukraine & possible escalation spillover into the EU and/or the US. Register now: sans.org/u/1kQn
🚨⭐URGENT LIVE STREAM TODAY Join @bettersafetynet @johullrich @bojanz to discuss the newly published #RCE vulnerability #log4j - Learn the exploitation details & discuss what blue teams can do to detect the attack & protect their environments. Join: youtu.be/oC2PZB5D3Ys
I mean, if you can’t get Marmite then sure 🤔
I mean, if you can’t get Marmite then sure 🤔
Awesome to be coming back to in-person but please remember to wear pants … yeah, we need to dress from the waist down again - a small sacrifice 👍🏻
Awesome to be coming back to in-person but please remember to wear pants … yeah, we need to dress from the waist down again - a small sacrifice 👍🏻
I’ve only just noticed that etl2pcapng (github.com/microsoft/etl2…) added a PID comment field to each packet back in Jan 2020 🤦🏻. Now all of the awesome netsh etl captures are so much richer. And yeah, MS Message Analyzer had this first - more functionality across tools = 👍🏻
"If we stop checking for vulnerabilities right now, we'd have very fewer infections, actually"
BREAKING NEWS! DFIR SUMMIT 2020 (July 16/17) is now virtual & (wait for it) --> FREE --> IT IS FREE!!! SIGN UP NOW TO GET A RESERVED SLOT! sansurl.com/dfir-summit-fr… #justreleased #DFIR #DFIRSUMMIT #FreeDFIRSummit #digitalforensics #infosec
Somehow I never knew these existed and now I totally need one 🤨. Any idea how long the Rav powerbank lasts?
Somehow I never knew these existed and now I totally need one 🤨. Any idea how long the Rav powerbank lasts?
Infosec friends RT please: As attackers increasingly exploit the health crisis to compromise users, we should be sharing what we're seeing with one another. I'm starting a non-vendor-aligned Slack to this end. Please join and responsibly share intel! join.slack.com/t/covid19cyber…
During the novel Coronavirus outbreak, the SANS Training Guarantee gives you the flexibility to change your plans to ensure you feel safe in your training environment. Learn more: sans.org/u/10AE
A steal at $15 so why not add a bit more for @EFF and @letsencrypt :: Humble Book Bundle: Cybersecurity 2020 by Wiley :: humblebundle.com/books/cybersec…
760 miles by car, 9320 miles in the air for a total of just over 10,000 miles to get to @WWHackinFest and back - we’re now on the final leg home. Major thanks to the team for putting on such an awesome event. Minor thanks to @4a696d and @tazwake for surviving 14 hrs of carpool

Tim Medin @timmedin.b... @TimMedin
18K Followers 593 Following Kerberoast Guy • @RedSiege CEO • IANS Faculty • Former SANS SEC560 Author, Senior Instructor • Packers Owner #GoPackGo • Work Req: https://t.co/ALJldLMDfZ
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]
Kathryn Hedley @4enzikat0r
3K Followers 802 Following #DFIR & #DFIRFit geek, SANS Author/Instructor #FOR308, Instructor #FOR500. All opinions mine.
Adam Harrison @harrisonamj
2K Followers 452 Following Digital Forensic Investigator, Incident Responder, HAM, ambassador for flip-flops and purveyor of fine Dad Jokes. #DFIRFit
Tris @TrisP_SANS
918 Followers 630 Following Senior Event Manager at @SANSEMEA. All tweets & opinions very much my own. He/him.📍 Cardiff, Wales 🏴
Jeff McJunkin @jeffmcjunkin
12K Followers 4K Following Started in ops&blue, now I hack for a living. SANS author/instructor in Oregon. Founder: https://t.co/c36tmCXDpt. He/him. @[email protected]
Phill Moore @phillmoore
9K Followers 3K Following This Week in 4n6 // ThinkDFIR // SANS // CyberCX (DFIR) https://t.co/vLyL2sxTuy I might not know much, but I do know how to Google Tweets are mine
Jon Gorenflo 🇺🇦... @flakpaket
3K Followers 1K Following Family Man, Army Vet, Consultant, Founder @StartATTACKD, @SANSInstitute Principal Instructor, @hthackers Director.
Greg Bailey @GRBail
742 Followers 2K Following Analyst @HuntressLabs | Instructor @SANSInstitute | neo-hippie | grateful dad | all around nice guy
Chris Elgee @chriselgee
2K Followers 878 Following Full-time Christian, husband, dad of 4, nerd @CounterHackSec; Certified @SANSInstitute instructor; Cyber Soldier; GSE #259
Stephen Sims @Steph3nSims
24K Followers 832 Following Perpetual Student | SANS Fellow | Musician | Braggart Hater | Gray Hat Hacking | VR | 🏂 | deadcode | https://t.co/CadJehomsU
Fletus @fletusposton
1K Followers 2K Following Husband & Father | Servant of Christ | SecOps | GRC | CISSP | GIAC 9x | Mentor | Speaker
Jason Jordaan 🇿�... @DFS_JasonJ
2K Followers 847 Following Digital Forensics, Incident Response, Cybercrime Investigation Specialist | Certified SANS Instructor | Former Cop | Alpha Nerd and Geek | WYSIWYG
pwneip @pwnEIP
7K Followers 621 Following Principal RTO | @SANSInstitute Instructor & #SEC565 #RedTeam Ops author | @RedTeamVillage_ lead, fmr @Bishopfox @usairforce. Tweets are my own, memes are stolen
JuneThoreau @uA6ioBS4yAh2ct
13 Followers 816 Following
Petri @pmakyn
6 Followers 219 Following
Alice Anthony @ailce0416
155 Followers 835 Following horseback riding queen who likes to try new things, enjoys classic cars, scuba diving and tennis Working for Bayer
katie s burk @katiesburk71
175 Followers 7K Following I love having fun 🤩 and going out with friends and I enjoy, cooking, swimming, and reading, walking on the beach, fishing, camping.
CyberDagger @CyberDaggerSec
45 Followers 85 Following 🌐 Proactive Cybersecurity Experts | 🛡️ Veteran-Owned Business | 🚀 Red Teaming | Penetration Testing | 💡 Empowering Security Through Innovation
IT GRC Forum @ITGRC
24K Followers 23K Following Educational Programs on IT, Governance, Risk Management, & Compliance (GRC)
Andreas Sfakianakis /... @asfakian
5K Followers 3K Following Tweets about Cyber Threat Intelligence | SANS #FOR578 Instructor | Speaker My tweets=my views. RTs ≠ endorsement. https://t.co/6zRhe2JRUj
Robomonkey @robomonkey
18 Followers 300 Following
Netaret @NetaretO2iDdN
6 Followers 635 Following
Ruth @oojiharama21558
94 Followers 7K Following
Michala Liavaag 💙 ... @cybilityimp
826 Followers 1K Following I help leaders build customer trust and protect their organisations | CISO Advisor | IG & Cybersecurity consultant | Podcast Host | Speaker
AfraMaud @TWJJfLA49Q4YM26
42 Followers 1K Following Thanks to the analyst for helping me earn 3kUSDC-5kUSDC every day. I must share this good news with everyone! TG:https://t.co/IgWCMQ6t8R
0x0sec @0x0sec
1K Followers 4K Following OSCP Student, DFIR, Reverse Engineering, Exploit Dev, Entrepreneur, NEO Sports Fan... Tweets are Tweets... RT != Endorsement.
deennazur @NAZURUDEENSHAHU
35 Followers 1K Following
Martin Krantz @Martin_Krantz
10 Followers 15 Following
Sabz @crazysabz16
17 Followers 113 Following
Nick Surridge @surridge8
0 Followers 11 Following
Casaythes @casaythes94442
10 Followers 929 Following Follow me, maybe it's the beginning of our fate, we can talk
Effie @merced_effie
251 Followers 3K Following
AbuHussain (🖤,🤍... @AbuhussainK
318 Followers 2K Following ❤️@PythNetwork❤️ 🔮 @tapioca_dao pearl club member https://t.co/sdGEOxt8aq
Pentesttwo @Pentesttwo1
10 Followers 322 Following
Vador Boss @VadorBoss
32 Followers 354 Following
Anu Lajide @ALajide
20 Followers 171 Following I am redemmed by Jesus Christ through Grace. I am alive by grace through Jesus Christ
Mary @marypayne64
258 Followers 3K Following
jagjag @jagjag6
94 Followers 249 Following Uses Twitter for InfoSec discussion and news. Tea drinker
hsk @hsk40095735
49 Followers 863 Following
Stephen Mathezer @mathezer
89 Followers 374 Following
Ramin Nafisi @MalwareRE
5K Followers 2K Following Director of MSTIC Malware Intelligence, Research, and Analysis (MSTIC-MIRAGE) team.
Lindelani_ForgetAbout... @SWISHMONWEALTH
954 Followers 4K Following Network Systems*Cybersecurity Ops
j @Riverrrrrx
4 Followers 60 Following
Mark @sneakymonk3y
2K Followers 956 Following uber geek blue team cyber commando bad guy annihilator @CrowdStrike OSCP GREM GC|FA/FE/IH #DFIR https://t.co/hyhoN9n1lu
JameZUK @JameZUK
43 Followers 523 Following Defensive Cyber Security | GSEC | GFACT | GIAC Advisory Board Member | HTB CDSA
Patrick Ebert @paddy100719990
6 Followers 298 Following
USER04725852 @user04725841960
0 Followers 3K Following
Yves Sterckx @YvesSterckx
522 Followers 315 Following beleggen in kwaliteit, tennis, schaken, reizen, de Kempen, CIO
Annie Han @AdaVan73492031
192 Followers 2K Following
工藤 @Sanae58655597
65 Followers 570 Following
Cillian Fagan @cillian_fagan
99 Followers 4K Following Sec Enthusiast | I like my priv@cy 🐧 and heavy music 🤘
SB @Sanbel006
601 Followers 630 Following
Jake Williams @MalwareJake
142K Followers 2K Following Breaker of software | VP R&D @hunterstrategy | CTI/DFIR | @ians_security faculty | Bookings: jake at malwarejake dot com | GSE #150 | He/him
Tim Medin @timmedin.b... @TimMedin
18K Followers 593 Following Kerberoast Guy • @RedSiege CEO • IANS Faculty • Former SANS SEC560 Author, Senior Instructor • Packers Owner #GoPackGo • Work Req: https://t.co/ALJldLMDfZ
edskoudis @edskoudis
62K Followers 306 Following President SANS Technology Institute College. SANS Fellow. CEO @CounterHackSec. @RSAConference Keynoter. IANS Faculty. BoD @manasquanbank & https://t.co/WD7vkoH5lH.
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]
SwiftOnSecurity @SwiftOnSecurity
405K Followers 9K Following computer security person. former helpdesk.
strandjs - strandjs@b... @strandjs
45K Followers 2K Following I will light the way by the bridges I burn. Retired Senior SANS Instructor IANS Faculty Black Hills Information Security Active Countermeasures
Kathryn Hedley @4enzikat0r
3K Followers 802 Following #DFIR & #DFIRFit geek, SANS Author/Instructor #FOR308, Instructor #FOR500. All opinions mine.
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
Chris Sanders 🔎 �... @chrissanders88
34K Followers 489 Following Ed.D. | Founder @networkdefense @RuralTechFund | Former @Mandiant, DoD | Author: Intrusion Detection Honeypots, Practical Packet Analysis, Applied NSM
Matthew Toussain @0sm0s1z
6K Followers 2K Following 🏳️🌈 Founder @_OpenSecurity_ // Former @BHInfoSecurity // Former SANS // Former USAF / Former me… #RedTeamFit /https://t.co/TkCZZSc4xA
John Hammond @_JohnHammond
298K Followers 3K Following Cybersecurity Researcher @HuntressLabs || Just Hacking Training @JustHackingHQ w/ @ethicalhacker || https://t.co/UtsNJiyQtS || https://t.co/narO3sz7y6
Adam Harrison @harrisonamj
2K Followers 452 Following Digital Forensic Investigator, Incident Responder, HAM, ambassador for flip-flops and purveyor of fine Dad Jokes. #DFIRFit
Joshua Wright @joswr1ght
27K Followers 562 Following Hacker for @counterhacksec and SANS Faculty Fellow. Pirata informático. Photography at https://t.co/Qbh3jsScLb. He/him.
Jeff McJunkin @jeffmcjunkin
12K Followers 4K Following Started in ops&blue, now I hack for a living. SANS author/instructor in Oregon. Founder: https://t.co/c36tmCXDpt. He/him. @[email protected]
meg west @cybersecmeg
151K Followers 937 Following Tweets about #dogs & travel & fitness & cybersecurity, oh my! Opinions are my own. 📧: [email protected]
vx-underground @vxunderground
368K Followers 290 Following The largest collection of malware source code, samples, and papers on the internet. Password: infected
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.
Heather Mahalik Barnh... @HeatherMahalik
23K Followers 1K Following DFIR @cellebrite, Faculty Fellow & author @sansforensics #FOR585 #FOR500, wife, mama, researcher, USAF. Trust but validate. Thoughts are mine.
Phill Moore @phillmoore
9K Followers 3K Following This Week in 4n6 // ThinkDFIR // SANS // CyberCX (DFIR) https://t.co/vLyL2sxTuy I might not know much, but I do know how to Google Tweets are mine
Microsoft Developer @msdev
508K Followers 15 Following Welcome to a community built for passionate developers. Microsoft Developer is your resource for tips, research and more to help you build apps that users love.
Sysinternals @Sysinternals
19K Followers 154 Following Created by Mark Russinovich and Bryce Cogswell and later acquired by Microsoft, Sysinternals utilities help you troubleshoot and manage your Windows systems.
Windows Blogs @windowsblog
489K Followers 81 Following The official blog for Windows and Devices at Microsoft. This is an automated account.
System76 @system76
86K Followers 2K Following We make powerful Linux computers to help you do more, go further, and unleash your potential.
Microsoft Visual Stud... @VisualStudio
537K Followers 10 Following The most comprehensive IDE for .NET and C++ devs on Windows. It's packed with a sweet array of tools to elevate every stage of software development.
Republic of Mathemati... @republicofmath
160K Followers 5K Following Mathematics of the people, for the people, by the people: encouraging mathematical happiness.
GitHub @github
2.6M Followers 327 Following The AI-powered developer platform to build, scale, and deliver secure software.
Firefox Nightly 🔥 @FirefoxNightly
26K Followers 142 Following Latest Firefox for Desktop development, live from Bugzilla!
Firefox 🔥 @firefox
2.4M Followers 511 Following The only non-profit-backed, people-first browser. Help: @FirefoxSupport
Microsoft Azure @Azure
1.1M Followers 20 Following Limitless innovation. ☁️ Follow along for the latest news and resources from the official #MicrosoftAzure team. For help, contact @AzureSupport.
Ubuntu @ubuntu
690K Followers 1K Following Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things.
Dave W Plummer @davepl1968
88K Followers 73 Following Hi! I'm Dave Plummer. You might remember me from such Windows components as Task Manager, Windows Pinball, Calc, ZIPFolders, Product Activation, etc. Cheers!
الهيئة الوط... @NCA_KSA
470K Followers 4 Following الحساب الرسمي لـ #الهيئة_الوطنية_للأمن_السيبراني الجهة المختصة في المملكة بالأمن السيبراني، والمرجع الوطني في شؤونه ودعمه وتعزيزه.
Dr. Nestori Syynimaa @DrAzureAD
20K Followers 2K Following Principal Identity Security Researcher at Microsoft. Ex-Secureworks. (MSc, MEng, PhD, CITP, CCSK). And yes, opinions are my own ;)
ProjectDiscovery @pdiscoveryio
37K Followers 125 Following Detect real, exploitable vulnerabilities. Harness the power of Nuclei for fast and accurate findings without false positives.
Stephen Mathezer @mathezer
89 Followers 374 Following
CSIRT Italia @csirt_it
8K Followers 5 Following Account ufficiale del Computer Security Incident Response Team - CSIRT Italia Telegram: https://t.co/mtDbE0VTY7
المركز الوط... @SAUDICERT
220K Followers 1 Following الحساب الرسمي للسيرت السعودي التابع للهيئة الوطنية للأمن السيبراني @NCA_KSA
NCERT.LU @NCert_Lu
422 Followers 3 Following National CERT of Luxembourg | RFC2350: https://t.co/HpJpnOgBUO
CERTuy @certuy
3K Followers 41 Following Cuenta oficial del Centro de Respuesta a Incidentes de Seguridad Informática del Uruguay. Agesic - Presidencia de la república
Microsoft @Microsoft
14.0M Followers 2K Following We're on a mission to empower every person and every organization on the planet to achieve more. Support: @MicrosoftHelps
ZambiaCirt @CirtZambia
5 Followers 6 Following
Tz Cert @tz_cert
3K Followers 1 Following Tanzania Computer Emergency Response Team (TZ-CERT) is a team with the responsibility of coordinating response to cyber security incidents.
UgCERT @UgCERT
3K Followers 279 Following Uganda Computer Emergency Response Team (CERT) @UCC_official Computer security incident or internet crime? Call TollFree 0800222777 or email: [email protected]
Cyber Israel - מער... @Israel_Cyber
6K Followers 439 Following Official account of Israel National Cyber Directorate
Oman National CERT @OmanCERT
20K Followers 104 Following الحساب الرسمي للمركز الوطني للسلامة المعلوماتية التابع لوزارة النقل والاتصالات وتقنية المعلومات @mtcitoman " نحو اقتصاد رقمي مزدهر"
Q-CERT الفريق �... @QatarCERT
4K Followers 21 Following كيوسرت - الوكالة الوطنية للأمن السيبراني. يقدم الفريق خدمة الاستجابة للحوادث السيبرانية: 📩 [email protected] 📞 16555
Microsoft 365 @Microsoft365
329K Followers 39 Following The official account for #Microsoft365: Do more with less using Microsoft Teams, Word, Excel, PowerPoint, and more - all in one place. Support: @MicrosoftHelps
The Record From Recor... @TheRecord_Media
21K Followers 468 Following Covering the world of cyber and intelligence from every angle.
Will @BushidoToken
36K Followers 3K Following Senior Threat Intel Advisor @TeamCymru | Co-founder @CuratedIntel | Co-author @SANSForensics FOR589 | Co-founder @BSidesBournemth | @darknetdiaries #126: REvil
Ramin Nafisi @MalwareRE
5K Followers 2K Following Director of MSTIC Malware Intelligence, Research, and Analysis (MSTIC-MIRAGE) team.
J⩜⃝mie Williams @jamieantisocial
10K Followers 7K Following threats && stuff || #UNC1799 forever 🤘|| @DistrictHeather ♥️ + 🍷 **𝚅𝚒𝚎𝚠𝚜 𝚎𝚡𝚙𝚛𝚎𝚜𝚜𝚎𝚍 𝚊𝚛𝚎 𝚖𝚈 օ𝚠𝚗**
Fabian Bader @fabian_bader
9K Followers 813 Following #Security #Azure #AAD #MDE #M365 #AD #PKI Microsoft MVP Tweets and opinions are my own @[email protected]
Eric Woodruff | MVP |... @ericonidentity
2K Followers 712 Following Security researcher @SemperisTech. Microsoft Security MVP, Entra nerd. Part-time hiker, full-time dad and partner. Opinions expressed are from my cat.
Check Point Software @CheckPointSW
71K Followers 3K Following You deserve the best security. Get the protection you need against AI-driven cyber attacks.
Infosecurity Magazine @InfosecurityMag
242K Followers 869 Following The only magazine dedicated to the strategy and technology of information security, delivering critical business and technical information for IT professionals.
SecurityWeek @SecurityWeek
226K Followers 3K Following #Cybersecurity News, Threats, Insights and Expert Analysis: #SCADA #Infosec #ICS Coverage
Fortinet @Fortinet
152K Followers 3K Following Our mission is to secure people, devices, and data everywhere. #Fortinet
Palo Alto Networks @PaloAltoNtwks
128K Followers 466 Following Our Mission: Cybersecurity partner of choice, protecting our digital way of life.
13Cubed @13CubedDFIR
7K Followers 0 Following The official Twitter account for 13Cubed. Follow @davisrichardg for my personal account.
Intezer @IntezerLabs
10K Followers 559 Following Tweets about security research, incident response, and SecOps automation. We built the Autonomous SOC platform - take a tour: https://t.co/wIvFULuQUA
UNPACME @unpacme
4K Followers 2 Following An automated malware unpacking service from OpenAnalysis Inc.
Joe Security @joe4security
7K Followers 137 Following Deep Malware and Phishing Analysis for Windows, macOS, Linux and Android