Building an SOC From Scratch: The Importance of Documentation and Network Segmentation

As the first SOC analyst in a new information security department at a bank, I've learned the critical role of documentation and network segmentation before deploying security solutions like antivirus, SIEM, PAM, and XDR. In the absence of existing policies and procedures, these practices became foundational for establishing a strong security posture.

Comprehensive Documentation:
* Maintain a detailed record of all systems within your infrastructure, including access permissions (who, where, and how).
* Establish a clear and consistent naming system …

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