* [Blog](https://www2.paloaltonetworks.com/blog)
* [Security Operations](https://www2.paloaltonetworks.com/blog/security-operations)
* Use Cases

# Security Operations

## Use Cases

[![Cortex XSIAM によるアラート疲れへの対応アプローチ](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2025/06/iStock-1129638607-edit-scaled.jpg)](https://www2.paloaltonetworks.com/blog/2025/06/cortex-xsiam-addressing-alert-fatigue/?lang=ja)  
[Cortex XSIAM によるアラート疲れへの対応アプローチ
\-------------------------------](https://www2.paloaltonetworks.com/blog/2025/06/cortex-xsiam-addressing-alert-fatigue/?lang=ja)

近年、セキュリティオペレーションセンター（SOC）におけるアラート対応の負荷は劇的に増加しています。この増加の背後には、セキュリティツールの多様化、監視範囲の広がり、発見される脆弱性の増加、そして攻撃の頻発など、様々な要因が複雑に絡み合っています。こうした厳しい状況の中で、SOCの運用効率を高めるためには、新たなアプローチが必要です。...  
[Product Features](https://www.paloaltonetworks.com/blog/security-operations/category/product-features-ja/?lang=ja&ts=markdown)  
[Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown)  
[Use Cases](https://www.paloaltonetworks.com/blog/security-operations/category/use-cases-ja/?lang=ja&ts=markdown)  
Jun 08, 2025  
By [Masahiko Inoue](https://www.paloaltonetworks.com/blog/author/masahiko-inoue/?lang=ja&ts=markdown "Posts by Masahiko Inoue")

## Security Operations

*** ** * ** ***

[Must-Read Articles](https://www.paloaltonetworks.com/blog/security-operations/category/must-read-articles/?ts=markdown)

*** ** * ** ***

[Product Features](https://www.paloaltonetworks.com/blog/security-operations/category/product-features/?ts=markdown)

*** ** * ** ***

[Use-Cases](https://www.paloaltonetworks.com/blog/security-operations/category/use-cases/?ts=markdown)

*** ** * ** ***

[News and Events](https://www.paloaltonetworks.com/blog/security-operations/category/news-and-events/?ts=markdown)

*** ** * ** ***

[Partner Integrations](https://www.paloaltonetworks.com/blog/security-operations/category/partner-integrations/?ts=markdown)

*** ** * ** ***

[Playbook of the Week](https://www.paloaltonetworks.com/blog/security-operations/category/playbook-of-the-week/?ts=markdown)

*** ** * ** ***

![Incident Response Report 2024に見るセキュリティ侵害のトレンド](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2024/12/incident-report-2024-thumbnail-scaled.jpg)  
[Cloud Native Security Platform](https://www.paloaltonetworks.com/blog/cloud-security/category/cloud-native-security-platform-ja/?lang=ja&ts=markdown), [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-jp/?lang=ja&ts=markdown), [Data Security](https://www.paloaltonetworks.com/blog/category/data-security-ja/?lang=ja&ts=markdown), [Endpoint](https://www.paloaltonetworks.com/blog/category/endpoint/?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), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention/?lang=ja&ts=markdown), [Use Cases](https://www.paloaltonetworks.com/blog/security-operations/category/use-cases-ja/?lang=ja&ts=markdown), [Use-Cases](https://www.paloaltonetworks.com/blog/sase/category/use-cases-ja/?lang=ja&ts=markdown)

## [Incident Response Report 2024に見るセキュリティ侵害のトレンド](https://www2.paloaltonetworks.com/blog/2024/12/incident-response-report-2024/?lang=ja)

今回のブログでは、弊社でセキュリティコンサルティング、脅威インテリジェンスサービスならびにインシデントレスポンスに従事し...  
Dec 22, 2024  
By [Shinichi Sato](https://www.paloaltonetworks.com/blog/author/shinichi-sato/?lang=ja&ts=markdown "Posts by Shinichi Sato")  
![アイデンティティ脅威に対する検出とレスポンス](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2023/03/I-See-3.jpg)  
[Announcement](https://www.paloaltonetworks.com/blog/category/announcement-ja/?lang=ja&ts=markdown), [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-jp/?lang=ja&ts=markdown), [Use Cases](https://www.paloaltonetworks.com/blog/security-operations/category/use-cases-ja/?lang=ja&ts=markdown)

## [アイデンティティ脅威に対する検出とレスポンス](https://www2.paloaltonetworks.com/blog/security-operations/detection-and-response-for-identity-threats/?lang=ja)

脅威は外部から侵入するとの思い込みは、セキュリティ分野では珍しくありません。しかしながら、外側の防御の突破が難しくなったことで、内部の人間を狙った攻撃が増えつつあります。その結果生じた2つの重大な脅威ベクトルが「アイデンティティ脅威」と「悪...  
Apr 16, 2024  
By [Greg Smith](https://www.paloaltonetworks.com/blog/author/greg-smith/?lang=ja&ts=markdown "Posts by Greg Smith")  
![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")  
![LockBit 3.0への注意喚起とCortexによる対策](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2023/05/Serious-Man-2-3.jpg)  
[Must-Read Articles](https://www.paloaltonetworks.com/blog/security-operations/category/must/?lang=ja&ts=markdown), [Product Features](https://www.paloaltonetworks.com/blog/security-operations/category/product-features-ja/?lang=ja&ts=markdown), [Products and Services](https://www.paloaltonetworks.com/blog/category/products-and-services-ja/?lang=ja&ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention/?lang=ja&ts=markdown), [Use Cases](https://www.paloaltonetworks.com/blog/security-operations/category/use-cases-ja/?lang=ja&ts=markdown)

## [LockBit 3.0への注意喚起とCortexによる対策](https://www2.paloaltonetworks.com/blog/security-operations/threat-alert-cortex-vs-lockbit-3-0/?lang=ja)

本稿ではLockBit 3.0 ランサムウェアのオペレーション形態と、Cortex XDRで同ランサムウェアを防止する方法を解説します。...  
Jun 06, 2023  
By [Ayako Kimijima](https://www.paloaltonetworks.com/blog/author/ayako-kimijima/?lang=ja&ts=markdown "Posts by Ayako Kimijima")  
![ゼロ トラスト アーキテクチャの構築を始めるならZTNA 2.0で](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2023/01/Screenshot-2023-01-18-122338-ja-1.png)  
[Remote Workforce](https://www.paloaltonetworks.com/blog/category/remote-workforce-ja/?lang=ja&ts=markdown), [Use Cases](https://www.paloaltonetworks.com/blog/security-operations/category/use-cases-ja/?lang=ja&ts=markdown)

## [ゼロ トラスト アーキテクチャの構築を始めるならZTNA 2.0で](https://www2.paloaltonetworks.com/blog/sase/start-building-your-zero-trust-architecture-with-ztna-2-0/?lang=ja)

弊社の最新レポート「 What's Next in Cyber: A Global Executive Pulse Check (サイバーセキュリティの今後: 世界の経営者の現状調査)」では、ゼロ トラスト アーキテクチャ(ZTA)を導入す...  
Jan 26, 2023  
By [Don Meyer](https://www.paloaltonetworks.com/blog/author/don-meyer/?lang=ja&ts=markdown "Posts by Don Meyer")  
![何年も前の脆弱性を攻撃者が悪用できるのは、ユーザーに原因がある](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2021/04/Thinking.jpg)  
[Must-Read Articles](https://www.paloaltonetworks.com/blog/security-operations/category/must/?lang=ja&ts=markdown), [Use Cases](https://www.paloaltonetworks.com/blog/security-operations/category/use-cases-ja/?lang=ja&ts=markdown)

## [何年も前の脆弱性を攻撃者が悪用できるのは、ユーザーに原因がある](https://www2.paloaltonetworks.com/blog/security-operations/why-do-our-adversaries-prey-on-years-old-vulnerabilities-because-you-let-them/?lang=ja)

2020年の終わりに大きな関心を集めたサイバーセキュリティ脅威。時代は2021年に突入しましたが、その活動はエスカレートする一方のようです。今年初めまで流行が続いたSolarStorm危機に続いて、Microsoft Exchange Se...  
Apr 03, 2022  
By [Adam Maruyama](https://www.paloaltonetworks.com/blog/author/adam-murayama/?lang=ja&ts=markdown "Posts by Adam Maruyama")  
Load more blogs

### Subscribe to Security Operations 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