Analysts notice a clerk account querying property-tax records at 2 a.m. from an unusual location. Which monitoring mix best helps confirm anomalous insider-style behavior?

Detecting unusual after-hours access to property-tax or similar sensitive systems requires layered detection, not awareness posters alone. Threat-intelligence context helps analysts know which techniques and indicators are relevant to government targets. Proactive hunting assumes adversaries may already be present and seeks anomalous authentications, impossible travel, atypical query volumes, and privilege escalations. User and entity behavior analytics (UEBA) highlight deviations from peer and historical baselines—such as clerks accessing tax systems at odd hours from unexpected locations—so investigations start before encryption or exfiltration completes. Combining these approaches compensates for signature gaps and gives municipal SOCs earlier warning on insider misuse and compromised credentials.

Relying only on annual awareness posters without technical telemetry leaves no objective signal when behavior turns malicious. Disabling all identity logs to avoid privacy complaints from staff removes the very records needed for accountability and often conflicts with lawful monitoring notices and policy; privacy is addressed through purpose limitation and access control over logs, not blindness. Waiting until ransomware encrypts file shares before reviewing behavior is reactive by definition and maximizes impact. Exam caveat: monitoring must align with policy, law, and collective-bargaining constraints while still collecting security-relevant identity events. Operationally, enable detailed authentication and privileged-access logging, feed UEBA/hunt use cases for after-hours tax-system access, and document the privacy notice covering employee monitoring.