Centralize Security Event Alerting
Description
Centralize security event alerting across enterprise assets for log correlation and analysis. Best practice implementation requires the use of a SIEM, which includes vendor-defined event correlation alerts. A log analytics platform configured with security-relevant correlation alerts also satisfies this Safeguard.
Implementation Checklist
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Threats & Vulnerabilities (CIS RAM)
Threat Scenarios
Undetected Lateral Movement Due to Siloed Log Analysis
ConfidentialityAn attacker compromises a single endpoint and moves laterally across the network undetected because security events from different sources are not correlated in a centralized platform.
Delayed Breach Detection from Fragmented Alert Sources
ConfidentialityA data exfiltration campaign persists for months because firewall, endpoint, and authentication logs are reviewed independently rather than correlated, preventing analysts from connecting related indicators of compromise.
Alert Fatigue from Uncorrelated Security Events
AvailabilityAnalysts miss critical attack indicators buried across dozens of independent log sources, allowing ransomware operators to complete their kill chain before detection.
Vulnerabilities (When Safeguard Absent)
Absence of Centralized Log Correlation
Without a SIEM or centralized alerting platform, related attack indicators across multiple systems cannot be correlated, resulting in fragmented visibility and missed detections.
Inconsistent Alerting Across Security Tools
Each security tool generates alerts independently with no unified triage process, creating blind spots where multi-stage attacks span tool boundaries without triggering a consolidated alert.
Evidence Requirements
| Type | Evidence Item | Collection Frequency |
|---|---|---|
| Technical | Detection tool deployment evidence (dashboard screenshots, agent status) | Captured monthly |
| Technical | Sample alert/detection output demonstrating capability | Captured quarterly |
| Technical | SIEM dashboard showing log sources and collection status | Captured monthly |
| Record | Log review records and findings | Per review cycle |
| Document | Governing policy document (current, approved, communicated) | Reviewed annually |