February 23, 2026
2分で読めますExperts will explain the setting conditions and "three principles" to ensure that serious incidents are not overlooked regarding automatic closing of alerts, which is an issue in SOC operations. The secrets of safe automation design, such as the importance of Severity limited and logging and weekly reviews to prevent accidents, are now available. Dramatically improve your own operations. ｜Colorkrew Security
February 22, 20263分で読めますA collection of KQL templates for combat that dramatically streamline investigations in Microsoft Sentinel and Defender. Active engineers publish queries that instantly identify suspicious behavior from three starting points: sign-in, terminal, and email. What are the tips for speeding up initial response by 10 times and standardizing security operations? ｜Colorkrew Security
January 24, 20263分で読めますPractical explanation of how to create a minimum CSIRT configuration that can be realized even by small and medium-sized enterprises, starting from role division, external collaboration, and initial maintenance points|Colorkrew Security
December 25, 20253分で読めますWhy do companies need CSIRT now? Against the backdrop of increasing attack sophistication and limitations in person-to-person response, the role, necessity, and relationship between CSIRT and management risk are explained in an easy-to-understand manner|Colorkrew Security
December 24, 20253分で読めますExplain specific steps and practical points for successful CSIRT construction. We will introduce system design that does not become a formality, role definition, training, and improvement in accordance with practical work. ｜Colorkrew Security
December 7, 20253分で読めますWill AI replace SOC? In this article, we will sort out the areas of AI's strengths and weaknesses, explain the differences from the judgment work that SOCs are responsible for, and the areas that can be strengthened by using AI|Colorkrew Security
November 12, 20253分で読めますExperts explain in detail why Sysmon is included as standard in Windows and its specific impact on attack detection, SIEM analysis, and forensics|Colorkrew Security
October 17, 20253分で読めますLogs can be analyzed, but they cannot determine whether they are a threat - a "decision-making barrier" that many companies face. Explanation of how to mature SOC through judgment criteria, risk assessment, and knowledge|Colorkrew Security
September 26, 20253分で読めますHow will the introduction of SOC change the risk management of enterprises? This article explains the mechanism and effectiveness of SOC, the visualization, classification, and response of risks, and the value to management in an easy-to-understand manner. This is a practical guide for businesses that want to strategically advance their security enhancements. ｜Colorkrew Security
June 1, 20255分で読めますFrom the basics of SOC (Security Operation Center) to why companies need it, and the benefits of external SOC services, it is explained in a gentle way for beginners. ｜Colorkrew Security
March 14, 20254分で読めますAlert fatigue in SOC operations is caused by false positives and labor shortages. In this article, we'll explore specific ways to reduce the burden, such as improving alert accuracy, automating prioritization, and implementing SOAR. Colorkrew Security Blog
March 3, 20254分で読めますFor those who are worried about WAF and Firewall operation. Colorkrew Security's SOC services significantly reduce operational burden with 24/365 monitoring, rapid incident response, and configuration optimization. Colorkrew Security Blog
