* [Blog](https://www2.paloaltonetworks.com/blog) * [Network Security](https://www2.paloaltonetworks.com/blog/network-security) * Next-Generation Firewalls # Network Security ## Next-Generation Firewalls [![ファイアウォールのパフォーマンスと柔軟性の限界に挑戦](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2023/11/cosmos-product-launch-organic-social-1080x1080-1.jpg)](https://www2.paloaltonetworks.com/blog/2023/12/firewall-performance-and-flexibility/?lang=ja) [ファイアウォールのパフォーマンスと柔軟性の限界に挑戦 \--------------------------](https://www2.paloaltonetworks.com/blog/2023/12/firewall-performance-and-flexibility/?lang=ja) 5つの新しいファイアウォール プラットフォームがパロアルトネットワークスのハードウェア ポートフォリオを拡張して新たな用途に対応 [Announcement](https://www.paloaltonetworks.com/blog/category/announcement-ja/?lang=ja&ts=markdown) [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown) [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown) Dec 25, 2023 By [Rich Campagna](https://www.paloaltonetworks.com/blog/author/rich-campagna/?lang=ja&ts=markdown "Posts by Rich Campagna") ## Network Security *** ** * ** *** [Hybrid Cloud Data Center](https://www.paloaltonetworks.com/blog/network-security/category/hybrid-cloud-data-center/?ts=markdown) *** ** * ** *** [Network Perimeter](https://www.paloaltonetworks.com/blog/network-security/category/network-perimeter/?ts=markdown) *** ** * ** *** [IoT Security](https://www.paloaltonetworks.com/blog/network-security/category/iot-security/?ts=markdown) *** ** * ** *** [5G Security](https://www.paloaltonetworks.com/blog/network-security/category/5g-security/?ts=markdown) *** ** * ** *** [Zero Trust Security](https://www.paloaltonetworks.com/blog/network-security/category/zero-trust-security/?ts=markdown) *** ** * ** *** [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls/?ts=markdown) *** ** * ** *** [Secure AI](https://www.paloaltonetworks.com/blog/tag/secure-ai/?ts=markdown) *** ** * ** *** ![ベンダー削減とAI活用のニーズから紐解くセキュリティトレンド](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2023/09/GettyImages-876409758-edit.jpg) [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-jp/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [SD-WAN](https://www.paloaltonetworks.com/blog/sase/category/sd-wan-ja/?lang=ja&ts=markdown), [Secure the Cloud](https://www.paloaltonetworks.com/blog/category/secure-the-cloud-2/?lang=ja&ts=markdown), [Secure the Enterprise](https://www.paloaltonetworks.com/blog/category/secure-the-enterprise-2/?lang=ja&ts=markdown), [Secure the Future](https://www.paloaltonetworks.com/blog/category/secure-the-future-2/?lang=ja&ts=markdown), [Use Cases](https://www.paloaltonetworks.com/blog/security-operations/category/use-cases-ja/?lang=ja&ts=markdown) ## [ベンダー削減とAI活用のニーズから紐解くセキュリティトレンド](https://www2.paloaltonetworks.com/blog/2023/09/security-trends-vendor-consolidation-and-ai/?lang=ja) リモートワークにとどまらずクラウド利用やDXによる業務変革が加速することで、エコシステムとのシステム・データ連携が行われるなど、企業のITインフラはここ数年で大きく変貌を遂げ始めています。その一方で、... Sep 12, 2023 By [Masayoshi Someya](https://www.paloaltonetworks.com/blog/author/msomeya/?lang=ja&ts=markdown "Posts by Masayoshi Someya") ![IoTセキュリティソリューションの導入: 導入済みの次世代ファイアウォールを有効活用](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2022/11/1-unit-42-iot-iot-202.png) [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-jp/?lang=ja&ts=markdown), [IoT](https://www.paloaltonetworks.com/blog/category/iot-ja/?lang=ja&ts=markdown), [IoT Security](https://www.paloaltonetworks.com/blog/network-security/category/iot-security-ja/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown), [Secure the Enterprise](https://www.paloaltonetworks.com/blog/category/secure-the-enterprise-2/?lang=ja&ts=markdown) ## [IoTセキュリティソリューションの導入: 導入済みの次世代ファイアウォールを有効活用](https://www2.paloaltonetworks.com/blog/2022/11/iot-security-with-existing-ngfw/?lang=ja) 昨今では、IoT（Internet of Things）の普及により、カメラ、プリンタ、センサ、電化製品、工作機械などの様々なデバイスを一元... Nov 14, 2022 By [Daisuke Horie](https://www.paloaltonetworks.com/blog/author/daisuke-horie/?lang=ja&ts=markdown "Posts by Daisuke Horie") ![2022 Forrester Wave™: Enterprise Firewallsでリーダー評価](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2022/10/Cityscape-2.jpg) [Announcement](https://www.paloaltonetworks.com/blog/category/announcement-ja/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown) ## [2022 Forrester Wave™: Enterprise Firewallsでリーダー評価](https://www2.paloaltonetworks.com/blog/2022/11/forrester-wave-enterprise-firewalls/?lang=ja) 脅威は急増の一途をたどっており、鈍化する気配はありません。2022年Unit 42ネットワーク脅威トレンド リサーチ レポートによると、20... Nov 08, 2022 By [Anand Oswal](https://www.paloaltonetworks.com/blog/author/anand-oswal/?lang=ja&ts=markdown "Posts by Anand Oswal") ![NGFWのベストプラクティスを簡単に満たすには](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2022/02/Getting-it-Done-1.jpg) [Announcement](https://www.paloaltonetworks.com/blog/category/announcement-ja/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown) ## [NGFWのベストプラクティスを簡単に満たすには](https://www2.paloaltonetworks.com/blog/2022/04/ngfw-best-practice-assessment/?lang=ja) 組織がいっそう複雑化する中で、セキュリティチームによる対応が必要な攻撃対象領域も同時に拡大しています。ユーザーは既存のアプリケーションと機能を利用してファイアウォールを設定し、適切にネットワークを保護しようと悪戦苦闘して... Apr 01, 2022 By [Vivek Sharma](https://www.paloaltonetworks.com/blog/author/vivek-sharma/?lang=ja&ts=markdown "Posts by Vivek Sharma") ![ロシア・ウクライナのサイバー活動によりサイバーセキュリティのベストプラクティス見直しは不可避に](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2022/03/NetSec-Adhoc-Updated-Blog-Image-Resize-543362794.png) [Must-Read Articles](https://www.paloaltonetworks.com/blog/security-operations/category/must/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown), [Public Sector](https://www.paloaltonetworks.com/blog/category/public-sector-ja/?lang=ja&ts=markdown), [Zero Trust Security](https://www.paloaltonetworks.com/blog/network-security/category/zero-trust-security-ja/?lang=ja&ts=markdown), [視点](https://www.paloaltonetworks.com/blog/category/%e8%a6%96%e7%82%b9/?lang=ja&ts=markdown) ## [ロシア・ウクライナのサイバー活動によりサイバーセキュリティのベストプラクティス見直しは不可避に](https://www2.paloaltonetworks.com/blog/2022/03/russia-ukraine-cyber-activity-best-practices/?lang=ja) ホワイトハウスと米国サイバーセキュリティ・インフラストラクチャ安全保障局(CISA)は最近、「ロシアが米国、NATO加盟国、ウクライナを支援... Mar 29, 2022 By [Unit 42](https://www.paloaltonetworks.com/blog/author/unit-42/?lang=ja&ts=markdown "Posts by Unit 42") ![業界初のNGFW向けAIOpsが実現する、ファイアウォール運用の変革](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2022/03/Woman-Thinking.jpg) [Announcement](https://www.paloaltonetworks.com/blog/category/announcement-ja/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown), [視点](https://www.paloaltonetworks.com/blog/category/%e8%a6%96%e7%82%b9/?lang=ja&ts=markdown) ## [業界初のNGFW向けAIOpsが実現する、ファイアウォール運用の変革](https://www2.paloaltonetworks.com/blog/2022/03/industry-first-aiops-for-ngfw/?lang=ja) 既存のセキュリティ投資は最大限活用したいものですが、最近ではそれも難しくなっています。依然としてネットワーク セキュリティの運用の大部分は、人手による高負荷で受動的な業務です。多くの企業は自社のネット... Mar 28, 2022 By [Anand Oswal](https://www.paloaltonetworks.com/blog/author/anand-oswal/?lang=ja&ts=markdown "Posts by Anand Oswal") and [Neha Kumar](https://www.paloaltonetworks.com/blog/author/neha-kumar/?lang=ja&ts=markdown "Posts by Neha Kumar") ![インライン ディープ ラーニングの力でネットワークセキュリティを一新](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2022/02/NetSec-Adhoc-Updated-Blog-Image-Resize-171693378.png) [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown), [Zero Trust Security](https://www.paloaltonetworks.com/blog/network-security/category/zero-trust-security-ja/?lang=ja&ts=markdown), [視点](https://www.paloaltonetworks.com/blog/category/%e8%a6%96%e7%82%b9/?lang=ja&ts=markdown) ## [インライン ディープ ラーニングの力でネットワークセキュリティを一新](https://www2.paloaltonetworks.com/blog/2022/03/inline-deep-learning/?lang=ja) 2000年に発生したコンピュータウィルス「ILOVEYOU」の流行は、今思えば分かりやすいものでした。いつ感染が発生し、収束したかを把握できたからです。また、次の流行が発生するのは1年ほど先だと予測す... Mar 28, 2022 By [Lee Klarich](https://www.paloaltonetworks.com/blog/author/lee-klarich/?lang=ja&ts=markdown "Posts by Lee Klarich") ![Log4jと今後の脆弱性に備える: CN-Seriesの3つのコンテナ保護機能](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2022/03/NetSec-Adhoc-Updated-Blog-Image-Resize-475333389-1.png) [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Zero Trust Security](https://www.paloaltonetworks.com/blog/network-security/category/zero-trust-security-ja/?lang=ja&ts=markdown) ## [Log4jと今後の脆弱性に備える: CN-Seriesの3つのコンテナ保護機能](https://www2.paloaltonetworks.com/blog/network-security/log4j-cn-series-container-firewalls/?lang=ja) 2021年12月にLog4jの脆弱性が発見されてからというもの、セキュリティチームは脆弱性を抱えたアプリケーションの特定と修正に追われてきました。Javaはさまざまな用途に利用されている上、多くのアプリケーションがLog... Mar 28, 2022 By [Chintan Udeshi](https://www.paloaltonetworks.com/blog/author/chintan-udeshi/?lang=ja&ts=markdown "Posts by Chintan Udeshi") and [Raj Patil](https://www.paloaltonetworks.com/blog/author/raj-patil/?lang=ja&ts=markdown "Posts by Raj Patil") ![弊社NGFWとクラウドセキュリティサービスでApache Log4jの脆弱性に対応する方法のまとめ](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2021/12/In-All-Seriousness.jpg) [Data Security](https://www.paloaltonetworks.com/blog/network-security/category/data-security-jp/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Zero Trust Security](https://www.paloaltonetworks.com/blog/network-security/category/zero-trust-security-ja/?lang=ja&ts=markdown) ## [弊社NGFWとクラウドセキュリティサービスでApache Log4jの脆弱性に対応する方法のまとめ](https://www2.paloaltonetworks.com/blog/network-security/apache-log4j-vulnerability-ngfw/?lang=ja) 本稿では、パロアルトネットワークスのお客様が、自動化された防止策とベストプラクティスを用いて、深刻度が「緊急」とされるApache Log4jの脆弱性から弊社のNGFWでどのように... Dec 20, 2021 By [Siddhart Shibiraj](https://www.paloaltonetworks.com/blog/author/siddhart-shibiraj/?lang=ja&ts=markdown "Posts by Siddhart Shibiraj") and [Jason Reverri](https://www.paloaltonetworks.com/blog/author/jason-reverri/?lang=ja&ts=markdown "Posts by Jason Reverri") ![Palo Alto Networks、Gartnerのネットワークファイアウォールのマジック・クアドラントで10回連続リーダーの１社と評価](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2021/09/400x300-1.jpg) [Announcement](https://www.paloaltonetworks.com/blog/category/announcement-ja/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown) ## [Palo Alto Networks、Gartnerのネットワークファイアウォールのマジック・クアドラントで10回連続リーダーの１社と評価](https://www2.paloaltonetworks.com/blog/2021/11/ten-time-leader-gartner-magic-quadrant/?lang=ja) 2021年11月1日、米Palo Alto Networks（パロアルトネットワークス）は、Gartnerが発表したGartner® 2021 Magic Qu... Nov 15, 2021 By [Anand Oswal](https://www.paloaltonetworks.com/blog/author/anand-oswal/?lang=ja&ts=markdown "Posts by Anand Oswal") ![完全なゼロトラストネットワークセキュリティを強化するPAN-OS 10.1のイノベーション](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2021/07/Brainstorm-1.jpg) [Announcement](https://www.paloaltonetworks.com/blog/category/announcement-ja/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown), [Zero Trust Security](https://www.paloaltonetworks.com/blog/network-security/category/zero-trust-security-ja/?lang=ja&ts=markdown) ## [完全なゼロトラストネットワークセキュリティを強化するPAN-OS 10.1のイノベーション](https://www2.paloaltonetworks.com/blog/2021/07/pan-os-10-1-innovations/?lang=ja) パンデミックによって私たちの働き方やビジネスの進め方は永続的に変化しました。数回にわたる調査により、「安全が確認されたとしても、フルタイムで出勤する生活には戻りたくない」と思ってい... Jul 20, 2021 By [Neha Kumar](https://www.paloaltonetworks.com/blog/author/neha-kumar/?lang=ja&ts=markdown "Posts by Neha Kumar") ![Cloud Identity Engineでシンプルに実現するIDベースセキュリティ](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2021/06/Woman-Smiling-at-Computer-LI.jpg) [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown), [Secure the Enterprise](https://www.paloaltonetworks.com/blog/category/secure-the-enterprise-2/?lang=ja&ts=markdown), [Zero Trust Security](https://www.paloaltonetworks.com/blog/network-security/category/zero-trust-security-ja/?lang=ja&ts=markdown) ## [Cloud Identity Engineでシンプルに実現するIDベースセキュリティ](https://www2.paloaltonetworks.com/blog/2021/07/simplifying-identity-based-security/?lang=ja) Palo Alto Networks is introducing a completely new cloud-based archite... Jul 05, 2021 By [Muninder Singh Sambi](https://www.paloaltonetworks.com/blog/author/muninder-singh-sambi/?lang=ja&ts=markdown "Posts by Muninder Singh Sambi") ![パロアルトネットワークスの完全なゼロトラスト ネットワーク セキュリティのご紹介](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2021/05/panw-seattle-organic-social-blog-img-400x300-1.jpg) [Announcement](https://www.paloaltonetworks.com/blog/category/announcement-ja/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown), [Zero Trust Security](https://www.paloaltonetworks.com/blog/network-security/category/zero-trust-security-ja/?lang=ja&ts=markdown) ## [パロアルトネットワークスの完全なゼロトラスト ネットワーク セキュリティのご紹介](https://www2.paloaltonetworks.com/blog/2021/07/zero-trust-for-network-security/?lang=ja) リモート、モバイル、ハイブリッド ワークの新しい現実の中で生産性を保護するには、ネットワークセキュリティに対する包括的なゼロトラストアプローチが不可欠です。ゼロトラスト実現に向けて組織を支援するため、... Jul 05, 2021 By [Anand Oswal](https://www.paloaltonetworks.com/blog/author/anand-oswal/?lang=ja&ts=markdown "Posts by Anand Oswal") ![いまこそゼロトラストへ](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2021/03/Hallway-of-Glass.jpg) [Announcement](https://www.paloaltonetworks.com/blog/category/announcement-ja/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown), [Zero Trust Security](https://www.paloaltonetworks.com/blog/network-security/category/zero-trust-security-ja/?lang=ja&ts=markdown), [視点](https://www.paloaltonetworks.com/blog/category/%e8%a6%96%e7%82%b9/?lang=ja&ts=markdown) ## [いまこそゼロトラストへ](https://www2.paloaltonetworks.com/blog/2021/07/time-for-zero-trust/?lang=ja) これまでは、従業員が社内リソースにアクセスして安全に作業できるかどうかは、1つのシンプルな質問、つまり「いまいるのは職場ですか?」という質問をするだけですんでいました。 ですが、物理的な場所に基づいて信頼性を推測するセキュリティアーキテクチ... Jul 05, 2021 By [Lee Klarich](https://www.paloaltonetworks.com/blog/author/lee-klarich/?lang=ja&ts=markdown "Posts by Lee Klarich") ![台頭する攻撃実例から考えるDNSセキュリティ](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2021/05/Pen-Pointing.jpg) [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown), [視点](https://www.paloaltonetworks.com/blog/category/%e8%a6%96%e7%82%b9/?lang=ja&ts=markdown) ## [台頭する攻撃実例から考えるDNSセキュリティ](https://www2.paloaltonetworks.com/blog/2021/06/netsec-dns-attacks/?lang=ja) DNS attacks are evolving. See real-world examples of how threat actors are using DNS and learn what it takes to stop the... Jun 03, 2021 By [Shiva Mandalam](https://www.paloaltonetworks.com/blog/author/shiva-mandalam/?lang=ja&ts=markdown "Posts by Shiva Mandalam") ![ネットワークはクラウド中心へ: ネットワークセキュリティにも適応を](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2021/04/Man-Writing.jpg) [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [視点](https://www.paloaltonetworks.com/blog/category/%e8%a6%96%e7%82%b9/?lang=ja&ts=markdown) ## [ネットワークはクラウド中心へ: ネットワークセキュリティにも適応を](https://www2.paloaltonetworks.com/blog/2021/05/cloud-centric-network-security/?lang=ja) 今日のデジタルジャーニーは長く、複雑で、組織にチャンスとリスクを等しくもたらします。最近の感染症拡大危機は、ただでさえ複雑な世界にさらなる複雑さをもたらしましたし、その状況はデジタル世界についても例外ではありません。ネットワークはますますク... May 09, 2021 By [Anand Oswal](https://www.paloaltonetworks.com/blog/author/anand-oswal/?lang=ja&ts=markdown "Posts by Anand Oswal") ![パロアルトネットワークス 業界初の5Gネイティブセキュリティを発表](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2020/08/Skyscraper-blog.png) [5G Security](https://www.paloaltonetworks.com/blog/network-security/category/5g-security-jp/?lang=ja&ts=markdown), [Announcement](https://www.paloaltonetworks.com/blog/category/announcement-ja/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown) ## [パロアルトネットワークス 業界初の5Gネイティブセキュリティを発表](https://www2.paloaltonetworks.com/blog/2021/04/5g-native-security/?lang=ja) 5G-native security helps protect end-to-end 5G infrastructure across all layers and all key locations of the 5... Apr 25, 2021 By [Sree Koratala](https://www.paloaltonetworks.com/blog/author/sree-koratala/?lang=ja&ts=markdown "Posts by Sree Koratala") ![ランサムウェアの脅威: ますます大きく ますます欲深く 最も弱い組織を攻撃する脅威](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2021/03/Espionage-r3d1.png) [Announcement](https://www.paloaltonetworks.com/blog/category/announcement-ja/?lang=ja&ts=markdown), [Must-Read Articles](https://www.paloaltonetworks.com/blog/security-operations/category/must/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [視点](https://www.paloaltonetworks.com/blog/category/%e8%a6%96%e7%82%b9/?lang=ja&ts=markdown) ## [ランサムウェアの脅威: ますます大きく ますます欲深く 最も弱い組織を攻撃する脅威](https://www2.paloaltonetworks.com/blog/2021/03/ransomware-threat/?lang=ja) 5年前、Unit42グローバル脅威インテリジェンスチームは1本の脅威レポートを公開し、そのなかで「ランサムウェアは組織の直面する最大のサイバー脅威の1つになりつつある」と警告しまし... Mar 24, 2021 By [Wendi Whitmore](https://www.paloaltonetworks.com/blog/author/wendi-whitmore/?lang=ja&ts=markdown "Posts by Wendi Whitmore") ![ワークロード全体のゼロトラスト実現にファイアウォールプラットフォームが欠かせない6つの理由](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2021/01/Zero-Trust-Blog-02-400x300-V1.jpg) [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown), [Zero Trust Security](https://www.paloaltonetworks.com/blog/network-security/category/zero-trust-security-ja/?lang=ja&ts=markdown) ## [ワークロード全体のゼロトラスト実現にファイアウォールプラットフォームが欠かせない6つの理由](https://www2.paloaltonetworks.com/blog/2021/02/netsec-zero-trust-across-workloads/?lang=ja) ゼロトラストの「信頼するな、常に検証せよ」というアプローチが最も有効なのはどのような場合でしょうか。それは、ワークロードがアプリケーションやデータを実行しているあらゆる場所や環境に... Feb 01, 2021 By [Paul Carlstrom](https://www.paloaltonetworks.com/blog/author/paul-carlstrom/?lang=ja&ts=markdown "Posts by Paul Carlstrom") ![パロアルトネットワークスが6年連続でTSIAの「Rated Outstanding」を獲得](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2020/08/Skyscraper-blog.png) [Company \& Culture](https://www.paloaltonetworks.com/blog/category/company-and-culture/?lang=ja&ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls-ja/?lang=ja&ts=markdown) ## [パロアルトネットワークスが6年連続でTSIAの「Rated Outstanding」を獲得](https://www2.paloaltonetworks.com/blog/2020/12/cc-2020-delivering-outstanding-support/?lang=ja) パロアルトネットワークスは、6年連続でTechnology Services Industry Association（技術サービス産業協会 TSIA）により「Rated Outstanding」認定... Dec 02, 2020 By [Steve Blaz](https://www.paloaltonetworks.com/blog/author/steve-blaz/?lang=ja&ts=markdown "Posts by Steve Blaz") Load more blogs ### Subscribe to Network Security Blogs! Sign up to receive must-read articles, Playbooks of the Week, new feature announcements, and more. ![spinner](https://www2.paloaltonetworks.com/blog/wp-content/themes/panwblog2023/dist/images/ajax-loader.gif) Sign up Please enter a valid email. By submitting this form, you agree to our [Terms of Use](https://www.paloaltonetworks.com/legal-notices/terms-of-use?ts=markdown) and acknowledge our [Privacy Statement](https://www.paloaltonetworks.com/legal-notices/privacy?ts=markdown). Please look for a confirmation email from us. If you don't receive it in the next 10 minutes, please check your spam folder. This site is protected by reCAPTCHA and the Google [Privacy Policy](https://policies.google.com/privacy) and [Terms of Service](https://policies.google.com/terms) apply. {#footer} {#footer} ## Products and Services * [AI-Powered Network Security Platform](https://www.paloaltonetworks.com/network-security?ts=markdown) * [Secure AI by Design](https://www.paloaltonetworks.com/precision-ai-security/secure-ai-by-design?ts=markdown) * [Prisma AIRS](https://www.paloaltonetworks.com/prisma/prisma-ai-runtime-security?ts=markdown) * [AI Access Security](https://www.paloaltonetworks.com/sase/ai-access-security?ts=markdown) * [Cloud Delivered Security Services](https://www.paloaltonetworks.com/network-security/security-subscriptions?ts=markdown) * [Advanced Threat Prevention](https://www.paloaltonetworks.com/network-security/advanced-threat-prevention?ts=markdown) * [Advanced URL Filtering](https://www.paloaltonetworks.com/network-security/advanced-url-filtering?ts=markdown) * [Advanced WildFire](https://www.paloaltonetworks.com/network-security/advanced-wildfire?ts=markdown) * [Advanced DNS Security](https://www.paloaltonetworks.com/network-security/advanced-dns-security?ts=markdown) * [Enterprise Data Loss Prevention](https://www.paloaltonetworks.com/sase/enterprise-data-loss-prevention?ts=markdown) * [Enterprise IoT Security](https://www.paloaltonetworks.com/network-security/enterprise-device-security?ts=markdown) * [Medical IoT Security](https://www.paloaltonetworks.com/network-security/medical-device-security?ts=markdown) * [Industrial OT Security](https://www.paloaltonetworks.com/network-security/medical-device-security?ts=markdown) * [SaaS Security](https://www.paloaltonetworks.com/sase/saas-security?ts=markdown) * [Next-Generation Firewalls](https://www.paloaltonetworks.com/network-security/next-generation-firewall?ts=markdown) * [Hardware Firewalls](https://www.paloaltonetworks.com/network-security/hardware-firewall-innovations?ts=markdown) * [Software Firewalls](https://www.paloaltonetworks.com/network-security/software-firewalls?ts=markdown) * [Strata Cloud Manager](https://www.paloaltonetworks.com/network-security/strata-cloud-manager?ts=markdown) * [SD-WAN for NGFW](https://www.paloaltonetworks.com/network-security/sd-wan-subscription?ts=markdown) * [PAN-OS](https://www.paloaltonetworks.com/network-security/pan-os?ts=markdown) * [Panorama](https://www.paloaltonetworks.com/network-security/panorama?ts=markdown) * [Secure Access Service Edge](https://www.paloaltonetworks.com/sase?ts=markdown) * [Prisma SASE](https://www.paloaltonetworks.com/sase?ts=markdown) * [Application Acceleration](https://www.paloaltonetworks.com/sase/app-acceleration?ts=markdown) * [Autonomous Digital Experience Management](https://www.paloaltonetworks.com/sase/adem?ts=markdown) * [Enterprise DLP](https://www.paloaltonetworks.com/sase/enterprise-data-loss-prevention?ts=markdown) * [Prisma Access](https://www.paloaltonetworks.com/sase/access?ts=markdown) * [Prisma Browser](https://www.paloaltonetworks.com/sase/prisma-browser?ts=markdown) * [Prisma SD-WAN](https://www.paloaltonetworks.com/sase/sd-wan?ts=markdown) * [Remote Browser Isolation](https://www.paloaltonetworks.com/sase/remote-browser-isolation?ts=markdown) * [SaaS Security](https://www.paloaltonetworks.com/sase/saas-security?ts=markdown) * [AI-Driven Security Operations Platform](https://www.paloaltonetworks.com/cortex?ts=markdown) * [Cloud Security](https://www.paloaltonetworks.com/cortex/cloud?ts=markdown) * [Cortex Cloud](https://www.paloaltonetworks.com/cortex/cloud?ts=markdown) * [Application Security](https://www.paloaltonetworks.com/cortex/cloud/application-security?ts=markdown) * [Cloud Posture Security](https://www.paloaltonetworks.com/cortex/cloud/cloud-posture-security?ts=markdown) * [Cloud Runtime Security](https://www.paloaltonetworks.com/cortex/cloud/runtime-security?ts=markdown) * [Prisma Cloud](https://www.paloaltonetworks.com/prisma/cloud?ts=markdown) * [AI-Driven SOC](https://www.paloaltonetworks.com/cortex?ts=markdown) * [Cortex XSIAM](https://www.paloaltonetworks.com/cortex/cortex-xsiam?ts=markdown) * [Cortex XDR](https://www.paloaltonetworks.com/cortex/cortex-xdr?ts=markdown) * [Cortex XSOAR](https://www.paloaltonetworks.com/cortex/cortex-xsoar?ts=markdown) * [Cortex Xpanse](https://www.paloaltonetworks.com/cortex/cortex-xpanse?ts=markdown) * [Unit 42 Managed Detection \& Response](https://www.paloaltonetworks.com/cortex/managed-detection-and-response?ts=markdown) * [Managed XSIAM](https://www.paloaltonetworks.com/cortex/managed-xsiam?ts=markdown) * [Threat Intel and Incident Response Services](https://www.paloaltonetworks.com/unit42?ts=markdown) * [Proactive Assessments](https://www.paloaltonetworks.com/unit42/assess?ts=markdown) * [Incident Response](https://www.paloaltonetworks.com/unit42/respond?ts=markdown) * [Transform Your Security Strategy](https://www.paloaltonetworks.com/unit42/transform?ts=markdown) * [Discover Threat Intelligence](https://www.paloaltonetworks.com/unit42/threat-intelligence-partners?ts=markdown) ## Company * [About Us](https://www.paloaltonetworks.com/about-us?ts=markdown) * [Careers](https://jobs.paloaltonetworks.com/en/) * [Contact Us](https://www.paloaltonetworks.com/company/contact-sales?ts=markdown) * [Corporate Responsibility](https://www.paloaltonetworks.com/about-us/corporate-responsibility?ts=markdown) * [Customers](https://www.paloaltonetworks.com/customers?ts=markdown) * [Investor Relations](https://investors.paloaltonetworks.com/) * [Location](https://www.paloaltonetworks.com/about-us/locations?ts=markdown) * [Newsroom](https://www.paloaltonetworks.com/company/newsroom?ts=markdown) ## Popular Links * [Blog](https://www.paloaltonetworks.com/blog/?ts=markdown) * [Communities](https://www.paloaltonetworks.com/communities?ts=markdown) * [Content Library](https://www.paloaltonetworks.com/resources?ts=markdown) * [Cyberpedia](https://www.paloaltonetworks.com/cyberpedia?ts=markdown) * [Event Center](https://events.paloaltonetworks.com/) * [Manage Email Preferences](https://start.paloaltonetworks.com/preference-center) * [Products A-Z](https://www.paloaltonetworks.com/products/products-a-z?ts=markdown) * [Product Certifications](https://www.paloaltonetworks.com/legal-notices/trust-center/compliance?ts=markdown) * [Report a Vulnerability](https://www.paloaltonetworks.com/security-disclosure?ts=markdown) * [Sitemap](https://www.paloaltonetworks.com/sitemap?ts=markdown) * [Tech Docs](https://docs.paloaltonetworks.com/) * [Unit 42](https://unit42.paloaltonetworks.com/) * [Do Not Sell or Share My Personal Information](https://panwedd.exterro.net/portal/dsar.htm?target=panwedd) ![PAN logo](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/pan-logo-dark.svg) * [Privacy](https://www.paloaltonetworks.com/legal-notices/privacy?ts=markdown) * [Trust Center](https://www.paloaltonetworks.com/legal-notices/trust-center?ts=markdown) * [Terms of Use](https://www.paloaltonetworks.com/legal-notices/terms-of-use?ts=markdown) * [Documents](https://www.paloaltonetworks.com/legal?ts=markdown) Copyright © 2026 Palo Alto Networks. All Rights Reserved * [![Youtube](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/social/youtube-black.svg)](https://www.youtube.com/user/paloaltonetworks) * [![Podcast](https://www.paloaltonetworks.com/content/dam/pan/en_US/images/icons/podcast.svg)](https://www.paloaltonetworks.com/podcasts/threat-vector?ts=markdown) * [![Facebook](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/social/facebook-black.svg)](https://www.facebook.com/PaloAltoNetworks/) * [![LinkedIn](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/social/linkedin-black.svg)](https://www.linkedin.com/company/palo-alto-networks) * [![Twitter](https://www.paloaltonetworks.com/etc/clientlibs/clean/imgs/social/twitter-x-black.svg)](https://twitter.com/PaloAltoNtwks) * EN Select your language