--- title: Gftd Security News and Articles description: Gftd Cyber Security のブログにアクセスして、常に進化するデジタル セキュリティ環境に関する当社の CISO の洞察を学びましょう。 --- [Skip to content](https://cybersecurity.gftd.co.jp/blog#main-content) - [English](https://cybersecurity.gftd.co.jp/blog) - [हिंदी भारत](https://cybersecurity.gftd.co.jp/hi-in/blog) - [日本語](https://cybersecurity.gftd.co.jp/ja/blog) English Show submenu for translations [![gftd_security_logo](https://cybersecurity.gftd.co.jp/hs-fs/hubfs/Security/gftd_security_logo-1.png?width=100&height=63&name=gftd_security_logo-1.png)](https://cybersecurity.gftd.co.jp/?hsLang=en) - [情報セキュリティ監査](https://cybersecurity.gftd.co.jp/informationsecurityaudit) - [WEB脆弱性診断](https://cybersecurity.gftd.co.jp/ja/vulnerabilityscan) - [レポート](https://cybersecurity.gftd.co.jp/ja/blog) - [問い合わせ](https://cybersecurity.gftd.co.jp/ja/contactus) - [我々について（IRサイトへ）](https://gftd.co.jp/about) Open main navigation Close main navigation - [情報セキュリティ監査](https://cybersecurity.gftd.co.jp/informationsecurityaudit) - [WEB脆弱性診断](https://cybersecurity.gftd.co.jp/ja/vulnerabilityscan) - [レポート](https://cybersecurity.gftd.co.jp/ja/blog) - [問い合わせ](https://cybersecurity.gftd.co.jp/ja/contactus) - [我々について（IRサイトへ）](https://gftd.co.jp/about) - - [English](https://cybersecurity.gftd.co.jp/blog) - [हिंदी भारत](https://cybersecurity.gftd.co.jp/hi-in/blog) - [日本語](https://cybersecurity.gftd.co.jp/ja/blog) English Show submenu for translations - [Contact us](https://cybersecurity.gftd.co.jp/en/contact/archive) [Contact us](https://cybersecurity.gftd.co.jp/en/contact/archive?hsLang=en) # Letters from CISO Dive into Gftd Security's blog to learn insights from our Chief Information Security Officer about the ever-evolving digital security landscape. [![](https://cybersecurity.gftd.co.jp/hubfs/Blog%20-%20A-1.png)](https://cybersecurity.gftd.co.jp/blog/why-ransomware-is-growing) [Compliance](https://cybersecurity.gftd.co.jp/blog/tag/compliance), [Cybersecurity](https://cybersecurity.gftd.co.jp/blog/tag/cybersecurity), [Healthcare](https://cybersecurity.gftd.co.jp/blog/tag/healthcare), [Ransomware](https://cybersecurity.gftd.co.jp/blog/tag/ransomware) ## [Why Ransomware is Growing?](https://cybersecurity.gftd.co.jp/blog/why-ransomware-is-growing) [Artem Ponomarov](https://cybersecurity.gftd.co.jp/blog/author/artem-ponomarov) Jun 28, 2024 12:14:06 PM Introduction - 2024 Ransomware Growth The year 2024 has witnessed a significant surge in ransomware ... [Read more](https://cybersecurity.gftd.co.jp/blog/why-ransomware-is-growing) [![Medical image server ransomware](https://cybersecurity.gftd.co.jp/hubfs/AI-Generated%20Media/Images/Xray%20image%20ransomware.jpeg)](https://cybersecurity.gftd.co.jp/blog/how-the-kokubu-seikyo-hospital-ransomware-attack-shook-healthcare) [Healthcare](https://cybersecurity.gftd.co.jp/blog/tag/healthcare), [Hack](https://cybersecurity.gftd.co.jp/blog/tag/hack), [Ransomware](https://cybersecurity.gftd.co.jp/blog/tag/ransomware) ## [How the Kokubu Seikyo Hospital Ransomware Attack Shook Healthcare](https://cybersecurity.gftd.co.jp/blog/how-the-kokubu-seikyo-hospital-ransomware-attack-shook-healthcare) [Artem Ponomarov](https://cybersecurity.gftd.co.jp/blog/author/artem-ponomarov) Jun 24, 2024 9:26:00 AM Inside the Attack On February 27, 2024, Kokubu Seikyo Hospital in Japan experienced a severe ransomw... [Read more](https://cybersecurity.gftd.co.jp/blog/how-the-kokubu-seikyo-hospital-ransomware-attack-shook-healthcare) [![DMM Bitcoin Hack](https://cybersecurity.gftd.co.jp/hubfs/DMM.jpg)](https://cybersecurity.gftd.co.jp/blog/dmm-bitcoin-hack-what-can-be-done-to-prevent-it) [Web3](https://cybersecurity.gftd.co.jp/blog/tag/web3), [Blockchain](https://cybersecurity.gftd.co.jp/blog/tag/blockchain), [Investigation](https://cybersecurity.gftd.co.jp/blog/tag/investigation), [Cryptocurrency](https://cybersecurity.gftd.co.jp/blog/tag/cryptocurrency), [Hack](https://cybersecurity.gftd.co.jp/blog/tag/hack) ## [DMM Bitcoin Hack: What Happened and How to Prevent It?](https://cybersecurity.gftd.co.jp/blog/dmm-bitcoin-hack-what-can-be-done-to-prevent-it) [Artem Ponomarov](https://cybersecurity.gftd.co.jp/blog/author/artem-ponomarov) Jun 6, 2024 5:41:41 PM Inside the Attack DMM Bitcoin, a Japanese centralized cryptocurrency exchange, was the target of a s... [Read more](https://cybersecurity.gftd.co.jp/blog/dmm-bitcoin-hack-what-can-be-done-to-prevent-it) [![CISO](https://cybersecurity.gftd.co.jp/hubfs/CISO.jpg)](https://cybersecurity.gftd.co.jp/blog/what-is-a-ciso-and-how-can-they-boost-your-companys-valuation) [Cybersecurity](https://cybersecurity.gftd.co.jp/blog/tag/cybersecurity), [CISO](https://cybersecurity.gftd.co.jp/blog/tag/ciso), [Governance](https://cybersecurity.gftd.co.jp/blog/tag/governance) ## [What is a CISO and How Can They Boost Your Company's Valuation?](https://cybersecurity.gftd.co.jp/blog/what-is-a-ciso-and-how-can-they-boost-your-companys-valuation) [Artem Ponomarov](https://cybersecurity.gftd.co.jp/blog/author/artem-ponomarov) May 20, 2024 7:01:26 AM Introduction In today's interconnected digital landscape, cybersecurity is more crucial than ever. C... [Read more](https://cybersecurity.gftd.co.jp/blog/what-is-a-ciso-and-how-can-they-boost-your-companys-valuation) [![ISMS with ISO27001](https://cybersecurity.gftd.co.jp/hubfs/elliptic.jpg)](https://cybersecurity.gftd.co.jp/blog/how-can-company-leaders-build-a-robust-isms-with-iso-27001) [Compliance](https://cybersecurity.gftd.co.jp/blog/tag/compliance), [Framework](https://cybersecurity.gftd.co.jp/blog/tag/framework), [Cybersecurity](https://cybersecurity.gftd.co.jp/blog/tag/cybersecurity), [ISO](https://cybersecurity.gftd.co.jp/blog/tag/iso), [ISMS](https://cybersecurity.gftd.co.jp/blog/tag/isms) ## [How Can Company Leaders Build a Robust ISMS with ISO 27001?](https://cybersecurity.gftd.co.jp/blog/how-can-company-leaders-build-a-robust-isms-with-iso-27001) [Artem Ponomarov](https://cybersecurity.gftd.co.jp/blog/author/artem-ponomarov) May 13, 2024 10:29:08 AM Introduction In the digital era, information security is paramount, especially as cyber threats beco... [Read more](https://cybersecurity.gftd.co.jp/blog/how-can-company-leaders-build-a-robust-isms-with-iso-27001) [![ protect healthcare from ransomware](https://cybersecurity.gftd.co.jp/hubfs/Ransomware-1.png)](https://cybersecurity.gftd.co.jp/blog/ransomware-in-healthcare-cybersecurity-guide) [Cybersecurity](https://cybersecurity.gftd.co.jp/blog/tag/cybersecurity), [Healthcare](https://cybersecurity.gftd.co.jp/blog/tag/healthcare) ## [Ransomware in Healthcare: A Comprehensive Cybersecurity Guide](https://cybersecurity.gftd.co.jp/blog/ransomware-in-healthcare-cybersecurity-guide) [Artem Ponomarov](https://cybersecurity.gftd.co.jp/blog/author/artem-ponomarov) Apr 22, 2024 9:07:08 AM In the wake of escalating cyber threats, the healthcare sector finds itself at a critical juncture. ... [Read more](https://cybersecurity.gftd.co.jp/blog/ransomware-in-healthcare-cybersecurity-guide) [![](https://cybersecurity.gftd.co.jp/hubfs/Recovery.jpg)](https://cybersecurity.gftd.co.jp/blog/effective-strategies-and-tools-for-tracing-and-recovering-cryptocurrency) [Blockchain](https://cybersecurity.gftd.co.jp/blog/tag/blockchain), [Investigation](https://cybersecurity.gftd.co.jp/blog/tag/investigation), [Cryptocurrency](https://cybersecurity.gftd.co.jp/blog/tag/cryptocurrency) ## [Effective Strategies and Tools for Tracing and Recovering Cryptocurrency](https://cybersecurity.gftd.co.jp/blog/effective-strategies-and-tools-for-tracing-and-recovering-cryptocurrency) [Artem Ponomarov](https://cybersecurity.gftd.co.jp/blog/author/artem-ponomarov) Apr 15, 2024 4:13:23 PM [Read more](https://cybersecurity.gftd.co.jp/blog/effective-strategies-and-tools-for-tracing-and-recovering-cryptocurrency) [![](https://cybersecurity.gftd.co.jp/hubfs/7746dd17-c8f7-4f10-8c19-7d83657ae616.webp)](https://cybersecurity.gftd.co.jp/blog/xz-utils-backdoor-the-most-sophisticated-supply-chain-attacks-in-history) [Cybersecurity](https://cybersecurity.gftd.co.jp/blog/tag/cybersecurity), [Supply Chain](https://cybersecurity.gftd.co.jp/blog/tag/supply-chain) ## [XZ Utils backdoor: the most sophisticated supply chain attacks in history](https://cybersecurity.gftd.co.jp/blog/xz-utils-backdoor-the-most-sophisticated-supply-chain-attacks-in-history) [Artem Ponomarov](https://cybersecurity.gftd.co.jp/blog/author/artem-ponomarov) Apr 5, 2024 5:18:01 PM Introduction In today's tech-driven era, a recent cyber attack has sent ripples of concern through t... [Read more](https://cybersecurity.gftd.co.jp/blog/xz-utils-backdoor-the-most-sophisticated-supply-chain-attacks-in-history) [![](https://cybersecurity.gftd.co.jp/hubfs/SupplyChain_CyberFramework_v1_web-05.png)](https://cybersecurity.gftd.co.jp/blog/government-supply-chains-security-with-nist-csf-2.0-and-sp-800-161) [Compliance](https://cybersecurity.gftd.co.jp/blog/tag/compliance), [Cybersecurity](https://cybersecurity.gftd.co.jp/blog/tag/cybersecurity), [NIST](https://cybersecurity.gftd.co.jp/blog/tag/nist), [Government](https://cybersecurity.gftd.co.jp/blog/tag/government), [Supply Chain](https://cybersecurity.gftd.co.jp/blog/tag/supply-chain) ## [Government Supply Chains Security with NIST CSF 2.0 and SP 800-161](https://cybersecurity.gftd.co.jp/blog/government-supply-chains-security-with-nist-csf-2.0-and-sp-800-161) [Artem Ponomarov](https://cybersecurity.gftd.co.jp/blog/author/artem-ponomarov) Apr 1, 2024 4:03:49 PM Content: What is Supply Chain Risk? NIST CSF 2.0 and its Approach to Supply Chain Risk NIST Special ... [Read more](https://cybersecurity.gftd.co.jp/blog/government-supply-chains-security-with-nist-csf-2.0-and-sp-800-161) [![](https://cybersecurity.gftd.co.jp/hubfs/blog1.png)](https://cybersecurity.gftd.co.jp/blog/how-ai-is-transforming-cybersecurity) [AI](https://cybersecurity.gftd.co.jp/blog/tag/ai), [Cybersecurity](https://cybersecurity.gftd.co.jp/blog/tag/cybersecurity) ## [How AI is Transforming Cybersecurity: insights from VIPSS](https://cybersecurity.gftd.co.jp/blog/how-ai-is-transforming-cybersecurity) [Artem Ponomarov](https://cybersecurity.gftd.co.jp/blog/author/artem-ponomarov) Mar 17, 2024 5:22:59 PM Exploring the impact of AI on cybersecurity through insights from a recent professional event [Read more](https://cybersecurity.gftd.co.jp/blog/how-ai-is-transforming-cybersecurity) ## Subscribe to our newsletter Stay in the loop about the latest cybersecurity updates First Prev [1](https://cybersecurity.gftd.co.jp/blog) [2](https://cybersecurity.gftd.co.jp/blog/page/2) [Next](https://cybersecurity.gftd.co.jp/blog/page/2) [Last](https://cybersecurity.gftd.co.jp/blog/page/2) [facebook-f icon](https://www.facebook.com/gftdjapan) [linkedin-in icon](https://www.linkedin.com/company/gftdjapan) [twitter icon](https://twitter.com/Gftdjapan) - [個人情報保護に関する基本方針](https://gftd.co.jp/g1nSERUt/privacypolicy) - [情報セキュリティ方針](https://gftd.co.jp/g1nSERUt/securitypolicy) --- [![gftd_security_logo-1](https://cybersecurity.gftd.co.jp/hs-fs/hubfs/Security/gftd_security_logo-1.png?width=150&height=94&name=gftd_security_logo-1.png "gftd_security_logo-1")](https://cybersecurity.gftd.co.jp/?hsLang=en) GranTokyo SouthTower 11F, 1-9-2 Marunouchi, Chiyoda-ku, Tokyo Copyright © 2026, Gftd Security # 日本で最も信頼できるサイバーセキュリティの情報を発信します。