CryptScope @cryptscope_io

The cryptography platform. Discover cryptographic assets. Assess risk. Prepare for PQC migration. Discovery | CBOM | Crypto Agility | PQC cryptscope.io Tokyo, Japan Joined October 2026

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CryptScope @cryptscope_io

6 days ago

An English announcement is coming soon. We’re preparing more details for our global audience — stay tuned.

CryptScope @cryptscope_io

6 days ago

CryptScope is officially launched. Discover and visualize cryptographic usage across your systems — including certificates, keys, and TLS — and prepare for the transition to post-quantum cryptography (PQC). Japanese press release: prtimes.jp/main/html/rd/p… #CryptScope #PQC

The most popular open source, embedded TLS. Active in #IoTSecurity, #Avionics, #Automotive & more. Over 5B connections secured! #TLS13 #SecureYourConnectivity

wolfSSL Embedded SSL/... @wolfSSL

11K Followers 7K Following The most popular open source, embedded TLS. Active in #IoTSecurity, #Avionics, #Automotive & more. Over 5B connections secured! #TLS13 #SecureYourConnectivity

We protect our nation’s most sensitive systems against cyber threats. Likes, retweets, and follows ≠ endorsement.

NSA Cyber @NSACyber

159K Followers 12 Following We protect our nation’s most sensitive systems against cyber threats. Likes, retweets, and follows ≠ endorsement.

The most popular open source, embedded TLS. Active in #IoTSecurity, #Avionics, #Automotive & more. Over 5B connections secured! #TLS13 #SecureYourConnectivity

wolfSSL Embedded SSL/... @wolfSSL

11K Followers 7K Following The most popular open source, embedded TLS. Active in #IoTSecurity, #Avionics, #Automotive & more. Over 5B connections secured! #TLS13 #SecureYourConnectivity

Jem (セキュリティ技術者)弁護士/情報収集用アカウントはブロックしてます

jem @jemsecurity

164 Followers 194 Following Jem (セキュリティ技術者)弁護士/情報収集用アカウントはブロックしてます

国立研究開発法人情報通信研究機構(NICT) ナショナルサイバートレーニングセンター情報処理推進機構(IPA) SECCON セキュリティ・キャンプ AVTokyo SecHack365 CYDER RPCI CIDLE 日本ハッカー協会

Sonoda Michio @sonodam

2K Followers 1K Following 国立研究開発法人情報通信研究機構(NICT) ナショナルサイバートレーニングセンター情報処理推進機構(IPA) SECCON セキュリティ・キャンプ AVTokyo SecHack365 CYDER RPCI CIDLE 日本ハッカー協会

Security Researcher, IIJ-SECT, SANS Instructor in Japan, OWASP Japan Advisory Board, WASForum Hardening Project, 子供たちが安心して使える安全なネット社会を実現したいですね。

Masafumi Negishi @MasafumiNegishi

12K Followers 1K Following Security Researcher, IIJ-SECT, SANS Instructor in Japan, OWASP Japan Advisory Board, WASForum Hardening Project, 子供たちが安心して使える安全なネット社会を実現したいですね。

サイバーセキュリティに関するリサーチをしております。記事を書いたり講演なども。ポッドキャスト #セキュリティのアレも聴いてください！

辻伸弘 (nobuhiro ... @ntsuji

29K Followers 646 Following サイバーセキュリティに関するリサーチをしております。記事を書いたり講演なども。ポッドキャスト #セキュリティのアレも聴いてください！

Mathematics of public key cryptography. No longer a user of this site.

Steven Galbraith @EllipticKiwi

4K Followers 112 Following Mathematics of public key cryptography. No longer a user of this site.

load bearing @zksecurityXYZ & AI @zkaol, author of Real-World Cryptography, prev: architect @Mina, sec lead Libra (@Facebook), crypto @NCCGroup

David Wong @cryptodavidw

18K Followers 3K Following load bearing @zksecurityXYZ & AI @zkaol, author of Real-World Cryptography, prev: architect @Mina, sec lead Libra (@Facebook), crypto @NCCGroup

Cryptogopher / Go crypto maintainer / @kateconger-knower / RC F'13, F2'17 / #BlackLivesMatter / he+him

https://t.co/ZE4RtJ1xqD / https://t.co/qfth7zr00W / https://t.co/j1grpEm8uR

Filippo Valsorda @fil... @FiloSottile

45K Followers 1 Following Cryptogopher / Go crypto maintainer / @kateconger-knower / RC F'13, F2'17 / #BlackLivesMatter / he+him https://t.co/ZE4RtJ1xqD / https://t.co/qfth7zr00W / https://t.co/j1grpEm8uR

Dan Boneh @danboneh

68K Followers 148 Following

I teach cryptography at Johns Hopkins. Mostly on BlueSky these days at https://t.co/GI4QlxYTdk.

Matthew Green @matthew_d_green

166K Followers 1K Following I teach cryptography at Johns Hopkins. Mostly on BlueSky these days at https://t.co/GI4QlxYTdk.

Associate Professor in Cryptography at @DTU_Compute in Copenhagen, Denmark. Any opinions are entirely mine.

Carsten Baum @crypto_carsten

3K Followers 424 Following Associate Professor in Cryptography at @DTU_Compute in Copenhagen, Denmark. Any opinions are entirely mine.

Post-quantum @cloudflare

Bas Westerbaan @bwesterb

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Tanja Lange @hyperelliptic

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Crypto means cryptography.

Peter Schwabe @cryptojedi

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Cryptographer at IBM Research. Interested in all aspects of cryptography, but I mostly work on Post-Quantum stuff.

Ward Beullens @WardBeullens

909 Followers 113 Following Cryptographer at IBM Research. Interested in all aspects of cryptography, but I mostly work on Post-Quantum stuff.

Research Partner @ a16z crypto
Associate Professor of CS at Georgetown.

Justin Thaler @SuccinctJT

67K Followers 2K Following Research Partner @ a16z crypto Associate Professor of CS at Georgetown.

CS Prof. Security and applied cryptography.
Some highlights: Zerocash (zcash, et al. ), Zexe (Aleo, Aztec, etc ), zk-creds/zk-promises(...)

Ian Miers @secparam

13K Followers 911 Following CS Prof. Security and applied cryptography. Some highlights: Zerocash (zcash, et al. ), Zexe (Aleo, Aztec, etc ), zk-creds/zk-promises(...)

A/Prof of Crypto and Crypto, University of Sydney @Sydney_Uni,

Qiang Tang @QiangTang7

535 Followers 530 Following A/Prof of Crypto and Crypto, University of Sydney @Sydney_Uni,

Lecturer (Assistant Professor) in Cryptography at King's College London, interested in post-quantum cryptography and zero-knowledge proofs.

Ngoc Khanh Nguyen @KhanhCrypto

731 Followers 181 Following Lecturer (Assistant Professor) in Cryptography at King's College London, interested in post-quantum cryptography and zero-knowledge proofs.

サイバーセキュリティ＆システムインテグレーション企業、株式会社ラックの公式Xです！
注意喚起や最新のセキュリティ情報などを公式メディア「LAC WATCH」で発信中📢
▶︎https://t.co/VyxU1id5yz
お問合せ ▶︎ https://t.co/MyqBxaEmjA

ラック公式 @lac_security

22K Followers 27 Following サイバーセキュリティ＆システムインテグレーション企業、株式会社ラックの公式Xです！注意喚起や最新のセキュリティ情報などを公式メディア「LAC WATCH」で発信中📢 ▶︎https://t.co/VyxU1id5yz お問合せ ▶︎ https://t.co/MyqBxaEmjA

認証・セキュリティサービスとエンタープライズ・組込み向けLinux／OSSサービス、IoT機器やサービスで「ヒト・モノ・コト」の正しさを証明する認証基盤サービスを提供しています。
SNSガイドラインはこちら。 https://t.co/ec8uZGqOPV

サイバートラス... @Cybertrust_JP

724 Followers 35 Following 認証・セキュリティサービスとエンタープライズ・組込み向けLinux／OSSサービス、IoT機器やサービスで「ヒト・モノ・コト」の正しさを証明する認証基盤サービスを提供しています。 SNSガイドラインはこちら。 https://t.co/ec8uZGqOPV

有償SSL国内シェア🥇 有償SSL業界認知度国内🥇
グローバルサインは、SSL・セキュリティ・電子証明書のリーディングカンパニーです。弊社サービスやセミナー情報、業界ニュースや最新記事などを発信します。　　
お問い合わせ:https://t.co/dIpKFOkF9c

GMOグローバルサ... @GlobalSign_JP

3K Followers 70 Following 有償SSL国内シェア🥇 有償SSL業界認知度国内🥇 グローバルサインは、SSL・セキュリティ・電子証明書のリーディングカンパニーです。弊社サービスやセミナー情報、業界ニュースや最新記事などを発信します。　　お問い合わせ:https://t.co/dIpKFOkF9c

This account is not monitored 24/7 and does not act as a reporting platform.

Suivez-nous en français : @CentreCyber_ca

Canadian Centre for C... @cybercentre_ca

34K Followers 64 Following This account is not monitored 24/7 and does not act as a reporting platform. Suivez-nous en français : @CentreCyber_ca

We are the National Cyber Security Centre – part of the UK’s intelligence & cyber agency @GCHQ. We help to make the UK the safest place to live and work online.

NCSC UK @NCSC

146K Followers 449 Following We are the National Cyber Security Centre – part of the UK’s intelligence & cyber agency @GCHQ. We help to make the UK the safest place to live and work online.

The Australian Signals Directorate provides intelligence, cyber security and offensive operations in support of the Australian Government and the ADF.

Australian Signals Di... @ASDGovAu

53K Followers 83 Following The Australian Signals Directorate provides intelligence, cyber security and offensive operations in support of the Australian Government and the ADF.

The official X account of the Cyber Security Agency of Singapore 🇸🇬

CSA @CSAsingapore

5K Followers 71 Following The official X account of the Cyber Security Agency of Singapore 🇸🇬

Cloudflare is the world’s leading #ConnectivityCloud, and we have our eyes set on an ambitious goal — to help build a #BetterInternet.

Cloudflare @Cloudflare

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Everlasting Security

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Stronger data security today. Quantum-safe protection from future threats.

Quantum XChange @Quantum_XChange

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Simple, Secure, Now

Post-Quantum @post_quantum

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ISARA Corporation @ISARACorp

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Entrust fights fraud and cyber threats with comprehensive identity-centric security that protects people, devices, and data.

Entrust @Entrust_Corp

6K Followers 1K Following Entrust fights fraud and cyber threats with comprehensive identity-centric security that protects people, devices, and data.

Leading Experts in Post-Quantum Cryptography For Software and Hardware.

PQShield @PqShield

2K Followers 502 Following Leading Experts in Post-Quantum Cryptography For Software and Hardware.

Intelligent Trust at work in the Real World ✨

DigiCert @digicert

7K Followers 483 Following Intelligent Trust at work in the Real World ✨

Keyfactor is the identity-first security solution for modern enterprises.

Keyfactor @Keyfactor

2K Followers 1K Following Keyfactor is the identity-first security solution for modern enterprises.

Post-Quantum Cryptography Made Simple

QuSecure @QuSecure

428 Followers 115 Following Post-Quantum Cryptography Made Simple

Leveraging AQ - the powerful compound effects of AI + Quantum technology

SandboxAQ @SandboxAQ

5K Followers 1K Following Leveraging AQ - the powerful compound effects of AI + Quantum technology

JPCERTコーディネーションセンター（JPCERT/CC）の公式アカウントです。情報セキュリティに関する注意喚起、公開資料やセミナー情報などを発信しています。ご意見、ご要望などへの返信をご希望の際はoffice@jpcert.or.jpにご送付ください。

JPCERTコーディネ... @jpcert

37K Followers 6 Following JPCERTコーディネーションセンター（JPCERT/CC）の公式アカウントです。情報セキュリティに関する注意喚起、公開資料やセミナー情報などを発信しています。ご意見、ご要望などへの返信をご希望の際は[email protected]にご送付ください。

IPAの最新情報をお届けする公式アカウント(@IPAjp)です。
※情報発信専用です。
https://t.co/w3IuoGEq8N
お問い合わせはこちら→
https://t.co/GIBPQrFrT4

IPA（情報処理推... @IPAjp

86K Followers 41 Following IPAの最新情報をお届けする公式アカウント(@IPAjp)です。 ※情報発信専用です。 https://t.co/w3IuoGEq8N お問い合わせはこちら→ https://t.co/GIBPQrFrT4

Official Twitter channel of the European Union Agency for Cybersecurity (ENISA) 🇪🇺 | RTs ≠ endorsement

ENISA @enisa_eu

52K Followers 883 Following Official Twitter channel of the European Union Agency for Cybersecurity (ENISA) 🇪🇺 | RTs ≠ endorsement

America's Cyber Defense Agency and National Coordinator for Critical Infrastructure Security & Resilience. Likes, reshares, follows ≠ endorsements.

Cybersecurity and Inf... @CISAgov

328K Followers 107 Following America's Cyber Defense Agency and National Coordinator for Critical Infrastructure Security & Resilience. Likes, reshares, follows ≠ endorsements.

Official handle covering all things cybersecurity at NIST

Cybersecurity @ NIST @NISTcyber

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