-
Tweets3K
-
Followers13K
-
Following167
-
Likes193
Previously, there was only access to the full, uncut livestream from the 2026 FIRST #CyberThreatIntelligence Conference. The videos have now been cut and uploaded. Browse the #FIRSTCTI26 TLP:CLEAR session recordings now on YouTube! youtube.com/playlist?list=…
We're looking for a Program Manager for our Community & Capacity Building (CCB) team. This role will works closely with our community trainers, drive our fellowship program, and provide support for all of our CCB projects & activities. Check the listing: go.first.org/EcJUV
📢 New from the @FIRSTdotOrg DNS Abuse SIG: v1.3 of the DNS Abuse Techniques Matrix, our first major update since 2023. It maps 21 abuse techniques to 15 stakeholder groups, showing who can help detect, prevent & mitigate each. 🔗 go.first.org/D9qQz #DNS #CSIRT
Conversations don’t stop when an event ends. TLP:CLEAR #VulnCon2026 session recordings are now live on YouTube — featuring talks on CVE quality, VEX, EPSS, AI, supply chain security, and more. Watch now: youtube.com/playlist?list=… #VulnCon26 #CyberSecurity #CVE
🚨 New #FirstImpressionsPodcast episode just dropped 🚨 🎧 Tune in before #FIRSTCON26 and learn how the industry is trying to close the gap between “we found it” and “please patch immediately" media.first.org/podcasts/FIRST…
Packed sessions. Global collaboration. Endless vulnerability discussions. 🔥 #VulnCon2026 brought together #vulnerabilitymanagement and coordination professionals from around the world and the recap proves why this event keeps growing year after year: first.org/blog/20260518-… 🌵
🤝 Partner with us at #FIRSTMX26 🔗go.first.org/jv1Xh Engage directly with global cybersecurity leaders and position your organization at the center of international collaboration. 📍 Mexico City | August 17–19
The #Transportation & Mobility SIG is bringing together practitioners across the mobility industry to improve collaboration in IT/OT/IoT security and incident response. 🚋 Join us to build stronger standards and share best practices! first.org/global/sigs/tr…
Missed #FIRSTCTI26? There were big conversations on cyber threat intelligence, collaboration, and the future of global threat sharing 👀 Catch the highlights from this year’s event in the official recap: first.org/blog/20260518-… #ThreatIntelligence #CyberSecurity #FIRSTdotOrg
🎤 Have insights to share? 🔗 go.first.org/jv1Xh We’re seeking speakers for #FIRSTMX26 to present on incident response, crisis management, and today’s threat landscape. 🌎Join global experts and contribute to the conversation.
The #InsiderThreatSIG is now live within FIRST! A practitioner-led group focused on real insider threat detection, response, and tradecraft. First in-person meetup: Denver at #FIRSTCON26 this June. Join us: first.org/global/sigs/in…
Tune in for the latest #FIRSTImpressionsPodcast episode with #FIRSTCON26 speakers, Mor Weinberger and Lior Kaplan, who share a preview on their conference session, "From Discovery to Fix: What 10,000 Open Source Projects Reveal About CVE Remediation" media.first.org/podcasts/FIRST…
📅 Mark your calendar—registration opens June 15 for #FIRSTMX26 🔗go.first.org/jv1Xh Join peers from 30+ countries for expert-led plenaries (free!) and hands-on training opportunities. Stay tuned!
New on the FIRST blog: “Peak Incident Response” Read the recap from the 2026 FIRST TC hosted by CH-CERTs during #GenevaCyberWeek at:first.org/blog/20260518-… #FIRSTdotOrg #IncidentResponse #CyberSecurity
The #Transportation & Mobility SIG is bringing together practitioners across the mobility industry to improve collaboration in IT/OT/IoT security and incident response. 🚋 Join us to build stronger standards and share best practices! first.org/global/sigs/tr…
🌐 Cybersecurity leaders are heading to Mexico City for the 2026 Mexico City Technical Colloquium 📍 August 17–19 | #FIRSTMX26 🔗go.first.org/jv1Xh Dive into incident response, crisis management, and global threat trends alongside experts from around the world.
Hold up, partner! You struck gold 🤠🏔️ The #FIRSTCON26 hotel block’s been extended through the 22nd! Don’t mosey too slow though—these discounted rooms won’t wait forever. 🌄🏨 🔗 go.first.org/55i80
The #InsiderThreatSIG is now live within FIRST! A practitioner-led group focused on real insider threat detection, response, and tradecraft. First in-person meetup: Denver at #FIRSTCON26 this June. Join us: first.org/global/sigs/in…
🎧 The #FIRSTImpressionsPodcast returns for #FIRSTCON26! New episodes will drop every Friday leading up to CON! We’re kicking things off with our 2026 Program Chair, Merike Kaeo. Listen in at: media.first.org/podcasts/FIRST…
🏔️🤠 Final roundup, folks. This is your last call to book within the #FIRSTCON26 hotel room block. The discounted rate rides out tomorrow! Lock in your room, stay close to the action, and experience Denver the Mile High way. 🌄🏨🔗go.first.org/HxwZx
Florian Roth ⚡️ @cyb3rops
220K 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
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]
Thomas Roccia 🤘 @fr0gger_
35K Followers 2K Following AI Security x Threat Intel · Threat Researcher · Creator of #Unprotect & #NOVA · Malware Warlock · Python 🧡 · Prev @Microsoft @McAfee_Labs
Alexandre Dulaunoy @a... @adulau
8K Followers 7K Following Enjoy when humans are using machines in unexpected ways. I break stuff and I do stuff. @[email protected]
Chris Sanders 🔎 �... @chrissanders88
35K Followers 487 Following Ed.D. | Founder @networkdefense @RuralTechFund | Former @Mandiant, DoD | Author: Intrusion Detection Honeypots, Practical Packet Analysis, Applied NSM
MISP (@misp@misp-comm... @MISPProject
22K Followers 94 Following MISP - Threat Sharing. An open source software and standards to share, create and validate threatintel and intelligence. Mastodon @[email protected]
ENISA @enisa_eu
52K Followers 889 Following Official Twitter channel of the European Union Agency for Cybersecurity (ENISA) 🇪🇺 | RTs ≠ endorsement
CISA Cyber @CISACyber
298K Followers 73 Following Part of @CISAgov, we respond to major incidents, analyze threats, and exchange critical cybersecurity information with partners around the world.
Koen Van Impe ☕ @cudeso
4K Followers 2K Following Freelancer. CSIRT. Incident Response. Threat Intelligence. Security, IDS, Linux, OpenBSD, Honeypots, Jazz, Literature, Modern Art. https://t.co/D9bkiv10Sy
Hash Miser @H_Miser
9K Followers 1K Following Internet janitor, #CERT #BlueTeam and Whisk(e)y enthusiast "Everything you do is useless ! Enjoy 🍻" [email protected] https://t.co/pBOfukJZJi
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
OEA Ciberseguridad @OEA_Cyber
41K Followers 282 Following Sección de @OEA_CICTE @OEA_Oficial. Líder regional en iniciativas de investigación, capacidad técnica y desarrollo de políticas #Ciberseguridad RTs≠endorsements
Joe Słowik 🌻 @jfslowik
28K Followers 1K Following CTI, OT/ICS, DE&TH, and related infosec content. Oh, and memes. And shitposting. Lots of shitposting.
JPCERT/CC @jpcert_en
11K Followers 8 Following Official English account for JPCERT/CC on security alerts, blog posts, publications, etc. For Inquiries, email [email protected].
CIRCL - @circl@social... @circl_lu
13K Followers 1K Following CIRCL is the CERT (Computer Emergency Response Team) for the private sector, communes and non-governmental entities in Luxembourg.
Mandiant (part of Goo... @Mandiant
129K Followers 4K Following We’re determined to make organizations secure against cyber threats and confident in their readiness.
Eric Capuano - Bsky: ... @eric_capuano
11K Followers 3K Following Co-Founder @recon_infosec | SANS DFIR Instructor | IANS Faculty | https://t.co/yUXCSu2Yso | ⬡ ❤ @shortxstack
Shanna Niggans 🦄 @fancy_4n6
4K Followers 2K Following Digital forensics & incident response #DFIR + #CTI | Horse and Dog mum | Co-host @ComfyConAU | @torincybergroup | RB/SCP for @BlackHatEvents & @BSidesMelbourne
Dr. Anton Chuvakin @anton_chuvakin
42K Followers 9K Following Information security - #SIEM, #DFIR, #EDR formerly at Gartner! Now @GoogleCloud Office of the #CISO; host of @CloudSecPodcast https://t.co/VpKtfz8nXG
Dray Agha @Purp1eW0lf
6K Followers 3K Following Hunt & Response Senior Manager @HuntressLabs || "Competition is the law of the jungle, but cooperation is the law of civilisation” - Kropotkin
たき（Taki / う�... @takmeister2
222 Followers 383 Following Life is way too short to not enjoy every moment!
نحمد اللله �... @aliksa9a
6 Followers 808 Following
Kirk @KirkDerpca
99 Followers 216 Following Kirk from https://t.co/yKnARcddwy Security Reacher @Adam_Networks @PatternRecognition Nerd @NerdsOnSite https://t.co/KY1YIa8DfQ
OneWildSoul @OneWildSoul1
18 Followers 975 Following
Didier Ortega @kalox_rimuru
0 Followers 9 Following
iam_Aking @Aking001_
190 Followers 1K Following Art & Digital Technologist | Social Entrepreneur | 24/7 Entertainment Updates & Viral Content. | Influencer | Sports lover ❤️| 📩▶️[email protected]
adam cole @adamcole1637506
0 Followers 105 Following
ghostnshells @ghostnshells
17 Followers 464 Following Cybernaut 🧑🚀 | I defend bits and bytes 👾 | Building @panoptes_net
Sohrab Mehrjoo @SohrabMehrjoo
2 Followers 23 Following FLCNCORE Inc. | Cybersecurity for regulated industries | Compliance, critical infrastructure, and incident response
The History Conspirac... @thehistorycc
28 Followers 671 Following We don’t give you the answers. We give you the questions. Exploring history's greatest mysteries, cover-ups, and conspiracies. You decide the truth. 👇
Oliver @e01517174
4 Followers 48 Following
Reynaldo Aponte @vairus13
514 Followers 514 Following Soy Diseñador Gráfico, estudiante de la GUACAMAIMA, me gustan las Mazanas mordidas, preferiblemente de metal entre otras cosas
たかぼん＠セキ... @xtakabon
2K Followers 3K Following セキュリティコンサルタントとしてお客様の業務改善提案等の仕事をしています。IT、DX、セキュリティ、AI等の情シスの副業募集中です。横浜市在住。正社員の勤務地は東京都内。副業の勤務地は自宅。正社員は情セキ、副業は情シス。ガンダム世代。 発言はすべて個人のものです。会社っぽく書かれていても架空の会社です。
Jonathan McGuinness @jon_mcguinness_
1K Followers 831 Following Tech Recon Change Maker, Founder @ Tachyon Tech | Performance Architects
Tomo (dc: tomo32) @tomotc
166 Followers 359 Following げーまー。日頃のこと、ゲーム(wow)のこと。 World of Warcraft Retailでまったりあそんでます。 お気軽に。 CSIRT/RISS
André Pina @AndrPina712745
1 Followers 30 Following
Jérémy @Jeremyyv
2 Followers 284 Following
Sam Pauken @sampauken
0 Followers 55 Following
Khadeejah Abdulfattah @deejah393
21 Followers 141 Following
j @itinsecure
966 Followers 805 Following Una voz de la inseguridad de la información que piensa más en las posibilidades que en las probabilidades. Todas las opiniones son a título personal.
SecMage @sec_mage_1337
0 Followers 136 Following
やすたか @yasu_0412
7 Followers 80 Following ネットワーク運用 → ネットワーク設計 → ソフトウェア開発管理 → 迷走→育児休業中→復帰→ソフトウェア維持管理→経営企画という名の雑用。そろそろネットワークやりたい。
M.Faheem Afzal ✪ Vo... @FaheemAfzalay
74 Followers 1K Following Chitrali | Islooite 🇵🇰 A voice for Chitral Advocating Chitral’s rights & development Infrastructure | Connectivity | Governance Dir–Chitral Motorway #Chitral
Akira @AkiraHSMT
0 Followers 612 Following
npass.io | Cloud-Nati... @npass_io
1 Followers 56 Following Cloud-native NAC for European businesses. 802.1X · Zero Trust · BYOD · Multi-vendor by design. Built for NIS2-ready Mittelstand. Waitlist → https://t.co/NXRj549STB
Nancy J @Oktayony
2 Followers 754 Following soft like morning light, chaotic like my timeline 🌅 follow back
박진석 @imagine0410
4 Followers 97 Following
こたつでみかん @kotatsu_de_mika
9 Followers 529 Following
KVL Narasimha Rao @kvlnarasimharao
24 Followers 473 Following Seasoned information security Leader | 21+ Yrs Cybersecurity, GRC & Enterpris| CCIE Written Qualified (Sec, DC & Ent) | C‑CISO | CISM® | CRISC | CCSP |CIPM
Pertti Miettunen M.Sc... @MiettunenPertti
444 Followers 5K Following #intelligence #tiedustelu #säkpol #turpo #intelFI #cyber Asneuv., II tsv-varavaltuut. @Dynava Follows, RTs, links ≠ endorsement. Personal account.
Keke @K3rynn
19 Followers 127 Following Osakpolor || Your Something Blue || Suum Cuique || Hymn Protagonist || Pronouns: Thee (will I serve), Thy (will be done), Thou (art worthy)
Daniel Isaias @isadanar
24 Followers 549 Following
MRG @MRG18654347
1 Followers 27 Following
Jeroen Gui @JeroenGui
27 Followers 374 Following Computer Science and Information Management Student @ KU Leuven, Founder of JustGuard and general Cybersecurity enthusiast
Sahaira Lopez @Lopez1Sahaira
0 Followers 406 Following
Dexter @Am_dexter
1K Followers 2K Following Cyber Security | #pentesting #cybersecurity #infosec #CTI
Sheffbam @Sheffbam
111 Followers 642 Following
Saleh BuKhader @srootx_h
205 Followers 596 Following إعلامي مرخص، مهتم بالتقنية والأمن السيبراني، باحث أمني، صانع محتوى توعوي وتقني، مهتم بالإلقاء وبناء الوعي | مؤسس @rootxedu |عضو في فريق | @RowadEdu | @bwdk2026
CISA Cyber @CISACyber
298K Followers 73 Following Part of @CISAgov, we respond to major incidents, analyze threats, and exchange critical cybersecurity information with partners around the world.
Koen Van Impe ☕ @cudeso
4K Followers 2K Following Freelancer. CSIRT. Incident Response. Threat Intelligence. Security, IDS, Linux, OpenBSD, Honeypots, Jazz, Literature, Modern Art. https://t.co/D9bkiv10Sy
Mandiant (part of Goo... @Mandiant
129K Followers 4K Following We’re determined to make organizations secure against cyber threats and confident in their readiness.
Dr. Anton Chuvakin @anton_chuvakin
42K Followers 9K Following Information security - #SIEM, #DFIR, #EDR formerly at Gartner! Now @GoogleCloud Office of the #CISO; host of @CloudSecPodcast https://t.co/VpKtfz8nXG
Global Forum on Cyber... @theGFCE
5K Followers 427 Following Strengthening cyber capacity and expertise globally through international collaboration. #theGFCE #CyberCapacityBuilding
Common Good Cyber @CommonGoodCyber
126 Followers 52 Following This account is no longer monitored. Please follow us on LinkedIn to learn more about our work to build a stronger Internet together.
Open CSIRT Foundation @CsirtOpen
176 Followers 91 Following We have a mission we believe in – stimulating and contributing to the state-of the-art in Internet security worldwide. #SIM3 #TrustedIntroducer @tfcsirt
Nonprofit Cyber @NonprofitCyber
677 Followers 61 Following This account is no longer monitored. Please follow us on LinkedIn to learn more about our work to support cybersecurity nonprofits.
IRISS @irisscert
4K Followers 61 Following IRISS-CERT is Ireland's first CSIRT (Computer Security Incident Response Team) providing services to users within Ireland
ExterroFTK @ExterroFTK
11K Followers 836 Following ExterroFTK is the maker of FTK and is the global leader in digital forensics, e-discovery and incident response.
Splunk @splunk
78K Followers 3K Following Splunk is building a safer and more resilient digital world by offering the unified security and observability platform.
Trellix @Trellix
241K Followers 1K Following Mission-critical security for intelligence-led cyber resilience
IT-ISAC @ITISAC
2K Followers 581 Following The IT-ISAC is a non-profit corporation formed by IT companies as a specialized forum for managing risks to their corporations and the IT infrastructure.
OWASP® Foundation @owasp
216K Followers 525 Following We improve the security of apps with community-led open source projects, 260 local chapters, and tens of thousands of members worldwide. Famous for OWASP Top 10
National CSIRT @National_CSIRT
1K Followers 82 Following Annual Technical Meeting for CSIRTs with National Responsibility
Vincent Danjean @VinceDanjean
359 Followers 124 Following In charge of INTERPOL's Cyberspace and New Technologies Lab. This is my own Twitter where I express personal opinions not official INTERPOL views.
NetFlow Ninjas @NetFlowNinjas
772 Followers 1K Following NetFlow education, network security, network visibility, anomaly detection, network performance, sec monitoring, MTTK InfoSec fun. @Lancope the corporate acct
Robyn Westervelt @rwestervelt
4K Followers 45 Following LMHC Candidate | Counseling Psychology Graduate Program | Lesley University | She, Her | “If you happen to be different, then live that truth.”
Santiago Paz @santipez
690 Followers 496 Following
Katie🌻Moussouris (... @k8em0
109K Followers 10K Following @LutaSecurity CEO @payequitynow MIT&Harvard visiting scholar, @MasonNatSec fellow, 1/2 Chamoru, hacker @k8em0.bsky.social Legacy blue check
Chris Parkerson (he/h... @clparkerson
299 Followers 525 Following Love to cook. Amateur photographer. Major #wanderlust. Liberal loudmouth. Posts mine unless noted. 🏳️🌈🍽 👨❤️👨
Gunter Ollmann @gollmann
3K Followers 151 Following Conquering Cyber Security Through Knowledge, Experience, and Leadership. Tweets and re-Tweets may be passing thoughts or temporal diversions, not an employers.
Damballa @DamballaInc
4K Followers 587 Following Damballa monitors networks for threat-related activity. We discover devices under criminal control and how perimeter defenses failed to stop the attack.
Microsoft Security Re... @msftsecresponse
144K Followers 215 Following We are the Microsoft Security Response Center. To report security vulnerabilities or abuse in Microsoft products, visit https://t.co/kxEbdfMny1.
KIT-CERT @kitcert
133 Followers 37 Following Computer Emergency Response Team des @KITKarlsruhe @SCC_KIT
CLCERT @clcert
2K Followers 19 Following Laboratorio de Criptografía Aplicada y Ciberseguridad de la Universidad de Chile
Traficomin Kyberturva... @CERTFI
16K Followers 262 Following Traficomin Kyberturvallisuuskeskus (National Cyber Security Centre of Finland, NCSC-FI).
CSIRT ANTEL @csirt_antel
269 Followers 45 Following Gestión de Incidentes de Seguridad Informática y de Telecomunicaciones de ANTEL
BELNET CERT @belnetcert
441 Followers 0 Following BELNET CERT is BELNET's Computer Emergency Response Team.
SI-CERT @sicert
4K Followers 81 Following Slovenian Computer Emergency Response Team SI-CERT is the main contact point for reporting security incidents involving systems and networks located in Slovenia
INCIBE-CERT @incibe_cert
43K Followers 91 Following Centro de Respuesta a Incidentes de Seguridad de referencia para los ciudadanos y entidades de derecho privado en #España operado por @INCIBE
Russ McRee @holisticinfosec
5K Followers 226 Following Director, GCP Cyber Defense Center, @Google, former @MSFT MSRC, PhD, GSE, dissertation chair @captechu, @SANS_ISC handler, music via @russmcree
Christofer Hoff @Beaker
24K Followers 3K Following coffee. creator. cars. cyber. cloud. ‘cue. change. culture. credentials. @ scale Security CTO/CISO/Engineer & Ops focused. CSTO @lastpass Opinions are MINE only
Secureworks @Secureworks
24K Followers 2K Following Secureworks is now a part of Sophos! Defending organizations from cyberattacks with an adaptive, AI-driven platform and expert-led managed services.
CERT Polska @CERT_Polska
35K Followers 8 Following Oficjalny profil zespołu CERT Polska | Zgłoszenie incydentu: https://t.co/NNUSNq61UT | O nas: https://t.co/mv9SshTgzy
Steven Adair @stevenadair
3K Followers 414 Following President @Volexity | Malware Analyst's Cookbook | https://t.co/K1nPkanWYC
The Shadowserver Foun... @Shadowserver
22K Followers 0 Following Our mission is to make the Internet more secure by bringing to light vulnerabilities, malicious activity and emerging threats. Join our Alliance!
Ian @iiamit
8K Followers 321 Following CEO & Co-Founder at https://t.co/neiU10ElLs. Entrepreneur, hacker, executive. Board member @BSidesLV. Keynote speaker. Active on Mastodon @[email protected]
Leif Nixon 🌻 @leifnixon
3K Followers 707 Following I aim to misbehave. Preferred pronoun: whom. Ahforgetit tendency. 73% integrated. @[email protected]
Matthew Garrett @MateoGarrett
422 Followers 589 Following VP Marketing @eSentire. Previous cloud, hosting, data center marketing roles @Cyxtera @HPE_Cloud @VZCloud @Terremark @Telefonica @PeaceCorps Volunteer @lfc fan
INI Carnegie Mellon @inicmu
4K Followers 2K Following The Information Networking Institute (INI) offers master's programs in Information Networking, Information Security and Mobile & IoT Engineering.
INTERPOL @INTERPOL_HQ
343K Followers 620 Following Uniting 196 countries to fight today’s most pressing crime threats. Report crimes to your local police. Follow our Secretary General @INTERPOL_SG
InBoxRevenge @InBoxRevenge
2K Followers 1K Following we report various forms of Internet abuse, including malware and spam.
Juan C. @jcmontes_tec
147 Followers 178 Following Cybersecurity Expert, and writer sometimes. Author of "Marcada".Trends for United States
You might like
