Microsoft Security Response Center @msftsecresponse
We are the Microsoft Security Response Center. To report security vulnerabilities or abuse in Microsoft products, visit https://t.co/kxEbdfMny1. msrc.microsoft.com/blog/ Redmond Joined February 2010-
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We’re thrilled to welcome Craig Nelson, Vice President, Office of the CISO, Microsoft, as our Day 1 keynote speaker at BlueHat Asia. With nearly two decades at Microsoft, Craig has shaped security strategies across Office, Windows, Azure, Xbox, and the Microsoft Security…
Thank you, @_dirkjan, for partnering with the MSRC to protect customers. Your work demonstrates the power of coordinated vulnerability disclosure and community collaboration.
Thank you, @_dirkjan, for partnering with the MSRC to protect customers. Your work demonstrates the power of coordinated vulnerability disclosure and community collaboration.
Join us for the next Security Chats: Inside the Research Process today at 10 AM Pacific Time. Register now: msft.it/6012s9gvE
Join us for the next Security Chats: Inside the Research Process today at 10 AM Pacific Time. Register now: msft.it/6012s9gvE
Cross-Site Scripting (XSS) has been a known vulnerability class for two decades, yet it continues to surface in modern applications, including those built with the latest frameworks and cloud-native architectures. At Microsoft, we’ve triaged nearly 1,000 XSS cases since January…
Security updates for September 2025 are now available! Details are here: msft.it/6018SZEg0 #PatchTuesday #SecurityUpdateGuide
Join MSRC on September 17 for a 30-minute conversation with Pushkar Saraf, Director of Security, Microsoft AI. He’ll share how he approaches security research, from spotting opportunities to the techniques and workflows that drive real-world results. Expect practical insights,…
In the latest episode of Security Chats, Joe Miller from MSRC sits down with Santiago Zanella-Béguelin, Principal Researcher in AI Security & Privacy at Azure Research to unpack the current state of AI security and what defenders need to do to catch up. Topics explored in this…
Time’s almost up! Join the BlueHat Asia community in Bengaluru this November. Submit your talk by September 5 to share your insights on emerging threats, novel research, and more. 📢 aka.ms/bhasia25cfp
Time’s almost up! Join the BlueHat Asia community in Bengaluru this November. Submit your talk by September 5 to share your insights on emerging threats, novel research, and more. 📢 aka.ms/bhasia25cfp
Agentic AI brings a new era of red teaming: autonomous, self-learning adversaries that adapt attack paths in real time. Shriya Maniktala, Threat Hunter at Microsoft, shows how AI-driven simulations challenge static models, adjust techniques on the fly, and map attacks to MITRE…
Join us in Bengaluru, India, on November 5-6, 2025 for BlueHat Asia. Submit your application to attend now: aka.ms/bhasia25reg Applications close on September 24. Don’t miss out! #BlueHatAsia
Don’t miss your chance to be part of the BlueHat Asia community in Bengaluru this November! Submit your talk by September 5 to share your insights on emerging security threats, novel research findings, and more. ⬇️Submit your paper by September 5 ⬇️ aka.ms/bhasia25cfp…
Don’t miss your chance to be part of the BlueHat Asia community in Bengaluru this November! Submit your talk by September 5 to share your insights on emerging security threats, novel research findings, and more. ⬇️Submit your paper by September 5 ⬇️ aka.ms/bhasia25cfp…
Ready to learn more about the research process? Join us tomorrow for Part 1 of Security Chats: Inside the Research Process, a candid conversation with MSRC researchers to help you sharpen your skills for the Zero Day Quest Research Challenge. 📅 August 26 from 10–11 AM PT.…
Ready to learn more about the research process? Join us tomorrow for Part 1 of Security Chats: Inside the Research Process, a candid conversation with MSRC researchers to help you sharpen your skills for the Zero Day Quest Research Challenge. 📅 August 26 from 10–11 AM PT.…
Are you a security researcher hoping to qualify for Zero Day Quest or looking to level up your research game? MSRC invites you to a two-part series of candid conversations with our internal researchers, designed to help you sharpen your skills and stay inspired during the…
As intern season wraps up at Microsoft, we’re celebrating the incredible energy, creativity, and teamwork our interns brought to the table! They recently participated in a team-based Capture the Flag challenge, co-produced by the Microsoft Red Team. They tackled security puzzles…
Big congratulations to Microsoft Most Valuable Researcher (MVR) Brad Schlintz @nmdhkr and his ?Cube CTF team, 2_minutes_faster, for earning the coveted Black Badge at DEF CON 33! This multi-discipline hacking competition challenged participants in Physical Breach Techniques,…
Florian Roth ⚡️ @cyb3rops
207K 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
Matt Zorich @reprise_99
14K Followers 2K Following @Microsoft Security | https://t.co/HWozKuixTi | Tweets are my own
Speaker 25 @rodtrent
17K Followers 2K Following Christian. Husband. Father. Runner. Speaker. Author. Cyber and AI @Microsoft. Dude/Bro. Also on BlueSky at https://t.co/J6dqBN31D3
Grzegorz Tworek @0gtweet
36K Followers 2K Following My own research, unless stated otherwise. Not necessarily "safe when taken as directed". GIT d- s+: a+ C++++ !U !L !M w++++$ b++++ G-
Will Dormann is on Ma... @wdormann
26K Followers 1K Following I play with vulnerabilities and exploits. I used to be here on Twitter but now I'm here: @[email protected] https://t.co/hXggdAVkSQ
rootsecdev @rootsecdev
26K Followers 1K Following Senior Security Consultant @TrustedSec | Military grade meme poster, researcher, cloud penetration tester, voider of warranties. My thoughts are my own.
Steve Syfuhs @SteveSyfuhs
16K Followers 2K Following Windows and Authentication at Microsoft. Developer. Mostly dog pictures. Might actually be two dogs in a trench coat. 🇺🇸 / 🇨🇦 @syfuhs.net on blue sky
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 ;)
Blue Team News @blueteamsec1
53K Followers 9K Following The cybersecurity home for the latest #BlueTeam, #DFIR, and #ThreatHunting news and tools.
Unit 42 @Unit42_Intel
64K Followers 82 Following The latest research and news from Unit 42, the Palo Alto Networks (@paloaltontwks) Threat Intelligence and Security Consulting Team covering incident response.
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]
Nathan McNulty @NathanMcNulty
17K Followers 1K Following Loves Jesus, loves others | Husband, father of 4, security solutions architect, love to learn and teach | Microsoft MVP | @TribeOfHackers | 🦋@nathanmcnulty.com
Chris Sanders 🔎 �... @chrissanders88
34K Followers 489 Following Ed.D. | Founder @networkdefense @RuralTechFund | Former @Mandiant, DoD | Author: Intrusion Detection Honeypots, Practical Packet Analysis, Applied NSM
blackorbird @blackorbird
36K Followers 672 Following Peace and Love. Just Analysis/Hunter. #APT #threatIntelligence #Exploit #CTI Need Job
Microsoft Mechanics @MSFTMechanics
147K Followers 382 Following Why, How & When to use current and forthcoming Microsoft Tech. Hosted by Microsoft Director @DeployJeremy & colleagues. An official @Microsoft video series.
Fabian Bader @fabian_bader
9K Followers 817 Following #Security #Azure #AAD #MDE #M365 #AD #PKI Microsoft MVP Tweets and opinions are my own @[email protected]
Microsoft Threat Inte... @MsftSecIntel
187K Followers 1K Following We are Microsoft's global network of security experts. Follow for security research and threat intelligence.
Johan Arwidmark @jarwidmark
23K Followers 2K Following Systems management and Imaging expert. Check out our Office Hours, Courses and Masterclasses on https://t.co/XdG5RSbD4j #msintune #configmgr #osd #mdt
Thomas Roccia 🤘 @fr0gger_
32K Followers 2K Following AI Security x Threat Intel · Sr. Threat Researcher @Microsoft · Creator of #Unprotect & #NOVA · Malware Warlock · Python 🧡 · Prev @McAfee_Labs · Views mine 😈
Mike Felch (Stay Read... @ustayready
17K Followers 2K Following Targeted Ops Red Team @ TrustedSec | Hacking since Renegade BBS backdoors | Prior CrowdStrike/BHIS | In Christ's grip | I speak for myself only | K1HAQ
鬼麦子 @guimaizi
241 Followers 165 Following
Cristina @Cris_sc90
0 Followers 54 Following
Veronica Lopata @VLopata58395
25 Followers 531 Following
Brihm Miss @BMiss29895
11 Followers 163 Following
MO NICE RECORDS @monicerecordssa
298 Followers 2K Following Monice Records is a South African all music recording label.
Panagiotis Christakop... @Panagiotis78239
0 Followers 6 Following
Ashlie Hronek @AshlieHron62760
18 Followers 239 Following
Keyla Lingberg💓�... @KeylaLingb62342
21 Followers 539 Following
Liam Berrisford @liberrisford
93 Followers 522 Following Postgraduate Researcher in Environmental Intelligence | Computer Scientist | Software Engineer | https://t.co/yU2NjNWF2X
Mazin Raoof Mohammed ... @mazintheds
0 Followers 672 Following A Data Scientist and a British Council Certified Agent, CEO/Founder of Dyla Academic Services LTD.
ddany11 @ddany11
129 Followers 773 Following Sr Telecom Engineer Telepresence \ Tandberg Video Conferencing Architecture
Jamahl Southall @SouthallJa90307
106 Followers 625 Following
Scheppe Genevieve💗... @ScheppeG99686
3 Followers 238 Following
Alexander @r0ck_al3x
35 Followers 616 Following
Jake Knowlton @j2k3k
419 Followers 1K Following cyber things at google. natsec. prior USAF. opinions are my own. I’m back
Anas Alamass @AnasAlamass1218
106 Followers 1K Following
sill @2m7m0
0 Followers 1K Following
Mohammad Salamat @SalamatMoh63793
0 Followers 13 Following
Phoenix Reloaded @pcstralee
77 Followers 6K Following
Melissa Henderson @Melissa_Hendy
6 Followers 543 Following Cybersecurity Enthusiast | Graduate of uOttawa Cybersecurity | Invictus Games Vancouver Whistler 2025 | Team Rubicon Canada Volunteer CAF/CANSOF Veteran #WiCyS
Canaan Cassano @CanaanCassano
55 Followers 2K Following
Wendelken Audrina😛... @WAudrina9193
26 Followers 518 Following
fxNkoJemenez Roxiem94... @fxnkojemen57782
32 Followers 549 Following
ARUN VK @arunvkofficial
0 Followers 59 Following Passionate singer 🎵🎙️| cybersecurity Enthusiastic | music 🎵🎶 addict
Eleonor Tibbitts @tibbitts34439
10 Followers 210 Following
Osama.shehawy @Osamashehawy3
6 Followers 188 Following
mzolisi satula @mzosatula
239 Followers 332 Following We were created with image of God ,I am an African life is good ,other things being equal ,I speak my mind.
Ethan Glass @GlassEthan38876
1 Followers 17 Following
Yin Celina @CelinaYin42838
17 Followers 424 Following
Lili Leise😁😍�... @LeiseLili74105
16 Followers 367 Following
CLINSIXSA @clinsixsa
324 Followers 2K Following CLINSIXSA is a South African medical research and development company.
Arya Sekhar @intel_ears
124 Followers 411 Following newbie in Bug Hunting, sophomore @lnmiit, jaipur, member @cipher_lnmiit
77t4Chrislip Ferne�... @pzwza80008
23 Followers 438 Following
Steven Taylor @Taylr1sa
76 Followers 6K Following YouTube Content Creator & Systems Network Administrator!
donald mcdaniel @donaldm56995068
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David Leal @leald28
10 Followers 123 Following
Maestos Lisabeth @MaestosL23968
22 Followers 544 Following
Dane Adriane @dane_adria3810
19 Followers 379 Following
Janetta Furgason🍆�... @FurgasonJa88146
14 Followers 1 Following
Degrave Jolie @DegraveJol30431
19 Followers 389 Following
sp4wnxxx @sp4wnxxx96448
2 Followers 23 Following
Florian Roth ⚡️ @cyb3rops
207K 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
rootsecdev @rootsecdev
26K Followers 1K Following Senior Security Consultant @TrustedSec | Military grade meme poster, researcher, cloud penetration tester, voider of warranties. My thoughts are my own.
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 ;)
Trend Zero Day Initia... @thezdi
83K Followers 16 Following Trend Zero Day Initiative™ (ZDI) is a program designed to reward security researchers for responsibly disclosing vulnerabilities.
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]
David Weston (DWIZZZL... @dwizzzleMSFT
25K Followers 2K Following Corporate Vice President, OS Security and Enterprise @Microsoft
Microsoft Threat Inte... @MsftSecIntel
187K Followers 1K Following We are Microsoft's global network of security experts. Follow for security research and threat intelligence.
Windows Update @WindowsUpdate
83K Followers 510 Following Sharing the latest Windows as a service updates. For immediate assistance, please reach out to @MicrosoftHelps.
Microsoft Security @msftsecurity
349K Followers 325 Following We are prioritizing security above all else through our Secure Future Initiative (SFI). Explore SFI principles, pillars, and progress here ⬇️
Dirk-jan @_dirkjan
29K Followers 206 Following Hacker at @OutsiderSec. Researches AD and Azure (AD) security. Likes to play around with Python and write tools that make work easier.
🥝🏳️🌈 Be... @gentilkiwi
62K Followers 286 Following A kiwi coding mimikatz & kekeo github: https://t.co/eS3LVgU6i0 Head of security services @banquedefrance Tweets are my own and not the views of my employer
Intune Support Team @IntuneSuppTeam
18K Followers 326 Following X handle for the Microsoft Intune Customer Success Blog and the Intune CxE team in @MSIntune Engineering. #MSIntune
John Lambert @JohnLaTwC
43K Followers 800 Following Corporate Vice President, Security Fellow, Microsoft Security Research, johnla(AT)https://t.co/3dGtq71Nby
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
0x140ce @0x140ce
789 Followers 1 Following sleep eat without pwn pwnfest 2016/pwn2own 2017/tianfucup 2019,2020,2021,2023/geekpwn 2022/Pwnie Awards 2023
sakura @eternalsakura13
8K Followers 190 Following Lead Security Researcher @zellic_io. 2022-2024 Top 3 Chrome VRP. 2023 Top 2 Facebook Whitehat. 2025 MSRC MVRs 9th. BlackHat Asia/USA & Zer0Con speaker.
Adnan Khan @adnanthekhan
3K Followers 209 Following Security Engineer | Part Time Security Researcher | Build Pipeline Menace | All thoughts and opinions are my own | 🍉
VictorV @vv474172261
3K Followers 165 Following Binary Sec😉VMware Escape at TFC 2018/21/23. Hyper-V Escape. Top3 of MSRC 23Q3/Q4/24Q1/Q3/Q4/Annual/25Q1/Annual. Watchlist for security news.
Microsoft Security Su... @MSFTSecSuppTeam
2K Followers 20 Following 🛡️ Microsoft Security (@msftsecurity) supporting: MDE, MDCA, MDC, MDI, Purview, and Security Copilot Answers from the #MicrosoftSecurity CxE engineering team.
Microsoft On the Issu... @MSFTIssues
40K Followers 1K Following News and perspectives on legal, public policy and philanthropic topics for #Microsoft
Dhiral Patel (4o4) @dhiralpatel94
561 Followers 738 Following Security Researcher | Stocks | Cryptocurrency | Freelancer | Forever Student | Peace ✌️
Brad Schlintz @nmdhkr
322 Followers 376 Following Traveler, security researcher, software engineer. Microsoft MVR 2025 (5th) and 2024 (19th).
NULLCON @nullcon
22K Followers 2K Following International #Security Conference, Training & Exhibition Platform - the neXt security thing! ✈️Up next #NullconGoa2026
Ashish Dhone @ashketchum_16
3K Followers 140 Following Top Hacker’s Ranking in World | Best Bug Hunter @Microsoft MVR 2023 2024 & 2025 @Apple 2022 @Google 2021 & 300+ Top Companies | CTF Player | Public Speaker 🇮🇳
Niraj Mahajan @niraj1mahajan
2K Followers 677 Following Microsoft 2024, 2025 MVR | #BugBounty Hunter | Application Security | Discovered 11x CVEs
K7 Computing @k7computing
2K Followers 42 Following K7 Computing is a world leader in providing high quality #cybersecurity solutions for consumers and businesses. Buy Now: https://t.co/zlaX4y17hx #k7antivirus
Proofpoint @proofpoint
31K Followers 2K Following Protect people. Defend data. Mitigate human risk. Follow @threatinsight for updates on the threat landscape.
Fortinet @Fortinet
152K Followers 3K Following Our mission is to secure people, devices, and data everywhere. #Fortinet
Fortra's Alert Logic @alertlogic
12K Followers 3K Following Alert Logic is proud to be part of Fortra’s cybersecurity portfolio. Comprehensive security coverage with MDR, XDR, and managed WAF solutions.
Akamai Technologies @Akamai
119K Followers 3K Following We power and protect life online. Global companies trust us to build, deliver, and secure digital experiences — helping billions to live, work, and play online.
AhnLab @AhnLabGlobal
96 Followers 11 Following Detect, Respond and Evolve Security Powered by AI https://t.co/f8C2k87YEw
Tenable @TenableSecurity
87K Followers 227 Following Welcome to Tenable. Your exposure ends here. Cloud Exposure | Vulnerability Exposure | OT Exposure | Identity Exposure
Trustwave, A LevelBlu... @Trustwave
22K Followers 436 Following A global #cybersecurity leader in managed detection and response (#MDR) and managed security services (#MSS). Home of the elite Trustwave @SpiderLabs team.
Trinity Cyber @TrinityCyber
577 Followers 230 Following Advanced network threat prevention. SINET 16 Innovator. Protecting your world better, differently—and with a near zero false detection rate.
Trend Micro @TrendMicro
113K Followers 4K Following We're a global leader in cybersecurity that helps make the world safe for exchanging digital information.
Cisco Talos Intellige... @TalosSecurity
48K Followers 164 Following The Official X account of the Cisco Talos Intelligence Group. Support requests: https://t.co/LGrHyYbolX
Sophos @Sophos
37K Followers 441 Following Defeat Cyberattacks ➡️ Check out our threat research @SophosXOps ➡️ Get Sophos product help @SophosSupport ➡️ Hear our channel insights @SophosPartners
Qualys @qualys
34K Followers 4K Following The leading provider of disruptive cloud-based security, compliance and IT solutions.
Palo Alto Networks @PaloAltoNtwks
128K Followers 468 Following Our Mission: Cybersecurity partner of choice, protecting our digital way of life.
Netskope @Netskope
11K Followers 1K Following Netskope, a global cybersecurity leader, is redefining cloud, data, and network security.
Mandiant (part of Goo... @Mandiant
127K Followers 4K Following We’re determined to make organizations secure against cyber threats and confident in their readiness.
CrowdStrike @CrowdStrike
108K Followers 800 Following The first cloud-native platform that protects endpoints and cloud workloads, identity & data. #WeStopBreaches. Free trial: https://t.co/msBcUPjFKo
Corelight @corelight_inc
4K Followers 610 Following Corelight transforms network and cloud activity into evidence so that data-first defenders can stay ahead of ever-changing attacks.
Check Point Research @_CPResearch_
24K Followers 119 Following Fighting cyber threats one research at a time. News from Check Point’s (@checkpointSW) Research team.
💻 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.
Women in CyberSecurit... @WiCySorg
25K Followers 267 Following A nonprofit organization focused on recruiting, retaining & advancing women in cybersecurity.
Kaijieguigui @kaijieguigui
256 Followers 57 Following Cybersecurity manager, former vulnerability researcher. MSRC MVR Top 100 & Chrome VRP Top 50 (2022)
Microsoft Intune @MSIntune
57K Followers 183 Following Unifying endpoint management across #Windows, #iOS, #macOS, #Android, and #Linux. Simplicity, #ZeroTrust, and automation. 🔖 https://t.co/OOVrqhgu4q ❓@IntuneSuppTeam
SquadCon @_squadcon
1K Followers 460 Following SquadCon is coming back to Vegas for HSC August 5th-6th 2025!!! Brought to you by BlackGirlsHack Sponsored by Adobe, TikTok, CMU, VS #condifferently
#blackgirlshack is fu... @blackgirlshack
6K Followers 3K Following Home of the BGH Multiverse, sponsored by Google! #blackgirlshack #blackkidshack #blackincyber #blackmenhack #squadcon https://t.co/syrBmtwTEl
Blue Team Con @BlueTeamCon
11K Followers 7 Following Blue Team Con is an annual cybersecurity conference built for defenders, inclusive of anyone interested in safeguarding organizations. | 4-7 September 2025
Ann Johnson @ajohnsocyber
17K Followers 2K Following CVP - @Microsoft BoD @securewithhuman & @nable & @seattlehumane. Host #AfternoonCyberTea Podcast. Tweets are Just Me. RT just RT
Barry Dorrans @blowdart
24K Followers 1K Following language & fx security person at msft. Not speaking on behalf of Microsoft. Not here much at all because, well, everything
Charlie @charliek65
988 Followers 1K Following Principal Analyst @StripeOLT / Ex-MSFT + CRWD / Caffeine Enthusiast / Hack The Box Ambassador & UK Meetup Lead / @BSidesChelt Committee Director
Chris Wysopal @WeldPond
55K Followers 1K Following Hacker. Co-founder/CTO Veracode. Former L0pht security researcher. GenAI Auto-repair of vulns is the future @weld.bsky.social @[email protected]
Luke Stephens (hakluk... @hakluke
96K Followers 2K Following Hacker, marketer. I manage socials and produce amazing technical blogs for cybersecurity orgs. Founder of @hacker_content and @haksecioTrends for United States
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