1. Overview
This document provides a template to evaluate the data protection implications of implementing a Security Information and Event Management (SIEM) system within an organization within the context of GDPR. It aims to identify and mitigate privacy risks while ensuring compliance with relevant data protection laws and best practices. The SIEM system will monitor, analyze, and report on events from various IT systems to improve cybersecurity and detect potential threats.
2. Context
2.1 Purpose of the SIEM System
The primary purpose of the SIEM system is to enhance the organization’s IT security by:
- Detecting and mitigating cyber threats.
- Automating alert triage to respond to incidents efficiently.
- Monitoring access and identity management activities.
- Generating actionable insights for threat analysis and forensic investigation.
2.2 Legal Basis for Processing
The processing of data within the SIEM is justified under legitimate interest, focusing on the protection of the organization’s IT infrastructure and sensitive data. The processing aligns with data protection principles, balancing organizational security needs and individual privacy rights.
2.3 Categories of Data Processed
- Identity Data: Usernames, email addresses, IP addresses, roles, and department details.
- Activity Data: Login attempts, access logs, file transfers, and process executions.
- Network Data: Source and destination IPs, hostnames, URLs, and connection statuses.
- Alert Data: Generated insights based on abnormal or unauthorized activity patterns.
2.4 Stakeholders and Roles
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