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ブログで「SINCON2025 登壇レポート」を公開しました。 2025年5月22~23日開催の #SINCON2025 にて、「Anti Confiture: An Otter Has A Sweet Tooth」というタイトルで発表しました。講演概要や現地模様をまとめた記事を是非ご覧ください。 #DPRK #WaterPlum #OtterCookie jp.security.ntt/tech_blog/sinc…
#JSAC2026 will take place on 21-23 January 2026! Call for Presentations and Workshops are now open until 29 Sep. We Look forward to receiving many proposals. Visit the website to learn more! ^YU jsac.jpcert.or.jp/en/index.html
#JSAC2026 を2026年1月21日から1月23日の3日間にわたり開催いたします。また、本日より講演とワークショップのCFP・CFWの募集を開始しております。 みなさまのご応募お待ちしております。^AS jsac.jpcert.or.jp/index.html
Our SOC analysts Sawabe and Koike will present our original research “Broken Seals, Broken Trust: Flaws and Defences in the Certificate Ecosystem” at #FIRSTCON25 in Denmark, June 22–27. Wait for the blog post summarizing the presentation and other on-site topics.…
Our SOC analysts Motoda and Koike will present our original research “Anti Confiture: An Otter Has A Sweet Tooth” at #SINCON2025 in Singapore, May 22–23. infosec-city.com/sin-25 #DPRK #WaterPlum #OtterCookie
🛑 Hacker Caught Mid-Interview—Live on Zoom! North Korean attackers are posing as job applicants using fake resumes, AI tools, and stealth malware to breach companies. Some have slipped through. OtterCookie v4 reveals just how deep the campaign goes—stealing credentials, crypto…
NTT Security’s Masaya Motoda & Rintaro Koike detail the key differences between the OtterCookie malware variants used by WaterPlum (Famous Chollima/PurpleBravo) in November 2024 and in February and April 2025, highlighting their chronological evolution. jp.security.ntt/tech_blog/wate…
NTT Security Japan published a blog post "Additional Features of OtterCookie Malware Used by WaterPlum", translation of “ WaterPlumが使用するマルウェアOtterCookieの機能追加”. jp.security.ntt/tech_blog/en-w… #DPRK #ContagiousInterview
The wait is over: The VB2025 programme is here. Three days of bold ideas, sharp minds, and real-world security insight. 👀 Tickets? Coming very soon. 🗓️ 24–26 September 2025 📍JW Marriott Hotel, Berlin 👉 virusbulletin.com/conference/vb2… #VB2025 #Cybersecurity #Infosec #Berlin
CVE-2025-24054 was patched in Microsoft’s March 11 update, but just over a week later, threat actors began exploiting this NTLM Hash Disclosure Spoofing vulnerability in the wild. Stay patched. 🔒 Read More --> research.checkpoint.com/2025/cve-2025-…
ブログで「第2回 VirusTotal ユーザ会 登壇レポート」を公開しました。 "TwinNS Constellation" と内部で呼んでる弊社独自のリサーチ手法の概要や現地の模様を、登壇者である弊社SOCアナリストの小池が紹介しておりますので、是非ご覧ください。 jp.security.ntt/tech_blog/vtus… #vtuserjp
弊社のリサーチチームが、MSCファイルを用いた攻撃について独自に調査し、最新の知見をまとめたホワイトペーパー「悪性MSCファイル解析レポート」を公開しました。詳細はブログ記事をご覧ください。 jp.security.ntt/tech_blog/whit… #MSC
ブログで「JSAC2025 登壇レポート」を公開しました。 1/21~22開催の #JSAC2025 にて、「Behind the scenes of recent #DarkPlum operations」というタイトルで、国内外SOCアナリストのリサーチ成果を発表しました。 講演概要や現地模様をまとめた記事を是非ご覧ください。 jp.security.ntt/tech_blog/jsac…
SOCにてOtterCookieマルウェアの新たな通信先を確認しております。プロキシサーバーでのフィルタリングやログ調査にご活用ください。 blastapi[.]org 95[.]164.38.33 78[.]46.65.194 #OtterCookie #ContagiousInterview
#JSAC2025 本日予定通り開催いたします。みなさまのご来場をお待ちしております。
#JSAC2025 明日開催です。よろしくお願いいたします。
いよいよ、明日1月21日から2日間に渡り #JSAC2025 が開催されます! 会場は今回から赤坂インターシティコンファレンスとなっております。 参加される方はお気をつけてお越しください。^AS jsac.jpcert.or.jp
NTT Security's Masaya Motoda & Rintaro Koike analyse the execution flow and detailed behaviour of OtterCookie, a new malware used in a recent Contagious Interview campaign. jp.security.ntt/tech_blog/cont…
North Korean hackers are targeting job seekers with a deceptive campaign, deploying a new malware called OtterCookie through fake interview tools. This new JavaScript malware, is: » Stealing files and cryptocurrency wallets. » Communicating directly with attackers via…

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
BleepingComputer @BleepinComputer
240K Followers 200 Following Breaking cybersecurity and technology news, guides, and tutorials that help you get the most from your computer. DMs are open, so send us those tips!
blackorbird @blackorbird
35K Followers 671 Following Peace and Love. Just Analysis/Hunter. #APT #threatIntelligence #Exploit #CTI Need Job
moto_sato @58_158_177_102
9K Followers 2K Following 企業のCSIRTの人兼企業のCTOの人。シンクホールは趣味。書き込む内容は所属に関係しているものもありますが、意見や見解は個人的なもの。意識低い低い系/User side Cyber Security Researcher & sinkholer
Virus Bulletin @virusbtn
60K Followers 1K Following Security information portal, testing and certification body. Organisers of the annual Virus Bulletin conference. @[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
Karsten Hahn @struppigel
24K Followers 756 Following MalwareAnalysisForHedgehogs, Principal Malware Researcher at GDATA, he/him 🦔🌈🏳️⚧️
Stephan Berger @malmoeb
28K Followers 1K Following Head of Investigations @InfoGuardAG https://t.co/A5lnFAu7eX
Germán Fernández @1ZRR4H
35K Followers 461 Following 🏴☠️ OFFENSIVE-INTEL 🏴☠️ Cyber Threat Intelligence by Hackers | Security Researcher en https://t.co/rDrSxZASB3 | @CuratedIntel Member | 🥷🧠🇨🇱
ほよたか @takahoyo
8K Followers 2K Following Security Engineer, DFIR, Pentest, Red Teaming, GCIH, GCFA, GNFA, GREM, OSCP, OSEP, OSED Work for @NFLaboratories. 発言は個人の意見であり組織を代表するものではありません。
JAMESWT @JAMESWT_WT
37K Followers 507 Following #Independent #Malware #Hunter #CyberSecurity #InfoSec https://t.co/KCFBJcHHcW https://t.co/WODUKncjFy
Autumn Good @autumn_good_35
6K Followers 368 Following 晴れ時々セキュリティ、所により一時スイーツ。 セキュリティは趣味ですけど仕事にも活かしていきたいですね。Security Hobbyist. Ice Cream Researcher. 日本アイスマニア協会会員
James @James_inthe_box
22K Followers 464 Following
Thomas Roccia 🤘 @fr0gger_
31K Followers 2K Following AI Security x Threat Intel · Sr. Threat Researcher @Microsoft · Creator of #Unprotect & #NOVA · Malware Warlock · Python 🧡 · Prev @McAfee_Labs · Views mine 😈
Samir @SBousseaden
25K Followers 1K Following Detection Engineering | Elastic Security Mastodon: @[email protected]
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
MigawariIV @strinsert1Na
4K Followers 405 Following 日本🇯🇵のサイバー脅威を分析してインテリジェンスを垂れ流している存在です。ときどきマルウェアも解析します。 ▶ CISSP/OSCP/OSEP/GREM/GCTI/Z2A ▶ Pub.: 今日から始めるサイバー脅威インテリジェンス』Software Design (2022) ▶ Conf.: JSAC2023
にゃん☆たく/ta... @taku888infinity
11K Followers 954 Following 言わずと知れたにゃん☆たくさん。自称イケメンフィッシング詐欺ハンター。電大卒。某所でセキュリティの仕事してます。ブログ(https://t.co/pTXxT3kIhx)は絶不調。 フィッシングメールポストブログフィード→https://t.co/GsstWSUayB ツイートは個人的意見。池袋が庭。ビールはサッポロ派。
hasherezade @hasherezade
89K Followers 910 Following Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc)
Henri @TabulaR41988
6 Followers 158 Following
CloudMalwareStudioOSX @CMSOSXAI
9 Followers 799 Following https://t.co/qgFp0ACgjW [email protected] $cybersecurity $cyberprotections $cybersafeguards $cyberdefenses
Ishfaq Fariq @ishfaq_fariq
157 Followers 2K Following Cybersecurity Engineer| Frontend Developer | Application Security Engineer | Red Teamer | Software Engineer |
Muhammad Arshad @Muhamma12379649
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sec @sec_soc_osint
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Qanon @qanonfree
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Qaqi @Qaqi46785
34 Followers 1K Following
yy @n0_crew
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Ridiculebile @SilkFirewall
7 Followers 340 Following
TI_kyoutu @AKyoutu
0 Followers 242 Following
Jimmy Butler @drop_of_entropy
10 Followers 215 Following
toratako @toratak0
136 Followers 315 Following
ROSE EVANGELINE @HEAVENOFJESUS
939 Followers 7K Following I LOVE JESUS. HE'S ONLY MINE, JUST MINE, EXCLUSIVELY MINE, ALL MINE, MINE, MINE, MINE!!!!!!
SyBerSe(r)k @UKRTELOS
134 Followers 335 Following Contra spem spero! Без надії сподіваюсь! I hope without hope! ¡Espero sin esperanza! J'espère sans espoir !
Oleksandr_B @sasha7707b
1 Followers 182 Following
State of Statecraft C... @what_is_sos
252 Followers 506 Following 🎖️State-Sponsored Threats Conference 🗓️ October 28, 2025 - Brussels, Belgium ⏰ CFP CLOSES SEPTEMBER 1. #what_is_sos
Blue lagoon @blue_lagoon9
8 Followers 173 Following
Norbert @NB1r0
59 Followers 3K Following
nima @nima275181
2 Followers 50 Following
arip petits @AripPetits
6 Followers 1K Following
0x2A Security @0x2asec
48 Followers 956 Following Security: the answer to the ultimate question of life, the universe, and everything.
Abdallah Ibrahim @AZ_Hack25236
11 Followers 37 Following student at KSU in information and computers Ahlawy
kings__y @itz_kayc
127 Followers 1K Following found3r & analyst 🌐🌑 '0nce upon a time in the land off myst'
gnu5knu4 @gnu5knu4
2 Followers 46 Following
Vortex🌙 @v2rt3x
50 Followers 1K Following silly weeb swe 🍥 :: cybersec sparks 🍒 :: code challenger 🍣 :: digital art 🎨 :: pc cozy gamer 🎮 :: quiet terminal vibes 🌙 :: quiet whiskers 🐈
gousheng_er @Gousheng_er
6 Followers 255 Following
Misa @Miisa_nYu
7 Followers 181 Following
MakBa @MakBaSec
4 Followers 1K Following
José Brown @tuxjitsu
7 Followers 191 Following me gusta la cerveza artesanal y la ciberseguridad, dos joyas🤣
ΣΕΜΕΡ @thesemer_
14 Followers 1K Following - Cyber Security - Blockchain Enthusiast Github: https://t.co/3GWWpmcyl2
akamine @akamine1172721
0 Followers 56 Following
ES @wonderricochet
203 Followers 529 Following
png @png092630647796
7 Followers 95 Following
aridjourney @aridjourney
14 Followers 509 Following Threat research @HarfangLab. Opinions are my own.
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
BleepingComputer @BleepinComputer
240K Followers 200 Following Breaking cybersecurity and technology news, guides, and tutorials that help you get the most from your computer. DMs are open, so send us those tips!
blackorbird @blackorbird
35K Followers 671 Following Peace and Love. Just Analysis/Hunter. #APT #threatIntelligence #Exploit #CTI Need Job
Unit 42 @Unit42_Intel
63K 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.
ESET Research @ESETresearch
35K Followers 30 Following Security research and breaking news straight from ESET Research Labs.
Virus Bulletin @virusbtn
60K Followers 1K Following Security information portal, testing and certification body. Organisers of the annual Virus Bulletin conference. @[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
Germán Fernández @1ZRR4H
35K Followers 461 Following 🏴☠️ OFFENSIVE-INTEL 🏴☠️ Cyber Threat Intelligence by Hackers | Security Researcher en https://t.co/rDrSxZASB3 | @CuratedIntel Member | 🥷🧠🇨🇱
James @James_inthe_box
22K Followers 464 Following
The DFIR Report @TheDFIRReport
62K Followers 0 Following Real Intrusions by Real Attackers, the Truth Behind the Intrusion. Services: https://t.co/XW613EKt2w
Thomas Roccia 🤘 @fr0gger_
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Michael Koczwara @MichalKoczwara
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hasherezade @hasherezade
89K Followers 910 Following Programmer, #malware analyst. Author of #PEbear, #PEsieve, #TinyTracer. Private account. All opinions expressed here are mine only (not of my employer etc)
Kimberly @StopMalvertisin
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Katie Nickels @likethecoins
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ANY.RUN @anyrun_app
30K Followers 192 Following Empowering businesses with proactive security solutions: Interactive Sandbox, TI Lookup and Feeds. Sign up for free: https://t.co/8hIX0Qh5ME
Catalin Cimpanu @campuscodi
107K Followers 2K Following Parked account. I don't usually post here on a regular basis. Cybersecurity reporter. Check me out on BlueSky and Mastodon.
SlowMist @SlowMist_Team
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RooCon @RooCon_AU
350 Followers 0 Following RooCon, a free conference on cyber threat intelligence & attribution, is happening in Sydney on 5-6 November 2025.
State of Statecraft C... @what_is_sos
252 Followers 506 Following 🎖️State-Sponsored Threats Conference 🗓️ October 28, 2025 - Brussels, Belgium ⏰ CFP CLOSES SEPTEMBER 1. #what_is_sos
Nick @superducktoes
320 Followers 467 Following
Patrick @dub5p
216 Followers 205 Following Cyber Security Researcher @Google TAG. Tweets are my own. Also: Triathlete, BJJ, speedcubing, 🥦
Mandiant (part of Goo... @Mandiant
127K Followers 4K Following We’re determined to make organizations secure against cyber threats and confident in their readiness.
The Hacker News @TheHackersNews
932K Followers 2K Following The #1 trusted source for cybersecurity news, insights, and analysis — built for defenders and trusted by decision-makers.
Infosec In the City (... @Infosec_City
1K Followers 77 Following IIC is an international cybersecurity capability & capacity development network. IIC organises training, events & conferences tailored to the city it is hosted.
S2W @S2W_Official
1K Followers 3 Following AI-based intelligence news | https://t.co/igZ1zrbXLx | https://t.co/ueN5NbLtEZ
Securonix @Securonix
4K Followers 2K Following Best-of-Breed #SIEM Platform 5X Gartner #SIEM MQ Leader A New Era of AI-Reinforced CyberOps #AIReinforcedSIEM #UnifiedDefenseSIEM and #UEBA
𝓙𝓪𝓬𝓴2 @2RunJack2
1K Followers 3K Following #ThreatIntel Researcher @S2W_Official @TALON_INTEL Main Author of Threat Intel Report 'Campaign DOKKAEBI : Documents of Korean and Evil Binary' / Formerly FSI
Asheer Malhotra @asheermalhotra
420 Followers 1K Following Threat Researcher @TalosSecurity. Metalhead. Shitposter. Not necessarily in that order. Opinions are my own. #CTI #APT @[email protected]
Lays @_L4ys
4K Followers 1K Following Co-Founder @TrapaSecurity & @pwnabletw/ MSRC Top 100 2019&2020 / Mobile & Windows Security
JangPro @JangPr0
678 Followers 43 Following
Phylum @Phylum_IO
333 Followers 375 Following Phylum automates software supply chain security to contextualize risks, block attacks and allow organizations to only use trusted open-source code.
Checkmarx @Checkmarx
7K Followers 3K Following Checkmarx is how the world’s largest enterprises can finally get ahead of application risk without slowing down development. #AlwaysReadyToRun
Aragorn Tseng @Aragorntseng
452 Followers 406 Following Malware Researcher / Incident Response / Threat Intelligence
Zscaler ThreatLabz @Threatlabz
7K Followers 45 Following Threat intelligence and security research from @zscaler
@barberousse_bin@todo... @barberousse_bin
481 Followers 202 Following Not on here Mastodon: @[email protected] Keybase: barberousse Malware Researcher at @ESETResearch Montreal
2ero @BaoshengbinCumt
3K Followers 945 Following #APT Hunter #CTI Twitter only represents my personal opinion
hithere @asdasd13asbz
942 Followers 27 Following
bletchley13(CK) @bletchley13
672 Followers 891 Following CyCraft/Cycarrier Researcher. CTF Player. Founder of BambooFox Reviewbord of HITCON Tweets are mine own
Seongsu Park @unpacker
12K Followers 1K Following Zscaler APT Research | Formerly Kaspersky GREAT | Threat Intelligence Hustler | Tweets are my own | Keybase: @seongsupark | Mastodon: @[email protected]
JaromirHorejsi @JaromirHorejsi
4K Followers 548 Following malware researcher, reverse engineer, blogger, conference speaker, programmer, IT security professional
Aidan H @thehappydinoa
1K Followers 894 Following Security Researcher, Developer, and Collaborator at @censysio
8thGreyOwl @8th_grey_owl
739 Followers 150 Following Reverse Engineering Enthusiast, A Malware Analyst. Mainly focusing on APAC. All views my own. EN | JP
Itay Cohen 🌱 @megabeets_
6K Followers 525 Following Animal liberation activist 🌟 Forbes 30 Under 30 • Sr. Principal Security Researcher @ Unit 42 • Maintainer of Cutter and Rizin • I don't eat animals.
Berk Albayrak @brkalbyrk7
1K Followers 2K Following Cyber Threat Intelligence Analyst @PRODAFT | TI | OSINT | Cybercrime | TA2AQX 📡
Chris Duggan @TLP_R3D
7K Followers 3K Following Head of Threat Informed Defence for a FSTE 100 | Malware Geek | Curated Intel Member | Threat Intelligence Expert Extraordinaire
t.SETO @set0_t
1K Followers 2K Following Researcher@NIDS Japan. RI: covert action, intelligence and NatSec, secrecy, attribution, military cyber , NATO/EU. Twts(JP or EG)=my views RT&Like≠endorsement.
John Hammond @_JohnHammond
298K Followers 3K Following Cybersecurity Researcher @HuntressLabs || Just Hacking Training @JustHackingHQ w/ @ethicalhacker || https://t.co/UtsNJiyQtS || https://t.co/narO3sz7y6
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.
Nasreddine Benchercha... @nas_bench
11K Followers 1K Following Detection @Splunk & @cisco | previously @nextronsystems | @sigma_hq & @magicswordio maintainer | Eternal Learner
Tom Hegel @TomHegel
7K Followers 750 Following Threat Research Lead @SentinelOne, Advisor with @ValidinLLC
Tommy M (TheAnalyst) @ffforward
14K Followers 195 Following Threat Researcher @proofpoint | @Cryptolaemus1
sysopfb @sysopfb
4K Followers 762 Following Threat Intel as a reverse-engineer in Crimeware domain. Dubbed "Malware Mangler" by TheRegister. [email protected]
SentinelLabs @LabsSentinel
5K Followers 386 Following We are the Threat Intelligence and Malware Analysis team of @SentinelOne