Insider Threats in Local Government: When the Risk Comes From Within
Not all threats to council data come from external attackers. Insider threats — whether deliberate data theft, unauthorised access to resident records, or accidental mishandling of sensitive information — represent a significant and often underestimated risk. ICO enforcement data shows that a substantial proportion of local government data breaches involve staff accessing records without a legitimate business need.
A significant proportion of data breaches reported by local authorities to the ICO involve insider access — staff viewing resident records without legitimate need.
Types of Insider Threat in Local Government
Council insider threats fall into three categories: malicious insiders who deliberately steal or misuse data for personal gain or to harm individuals; negligent insiders who accidentally expose data through poor practices; and compromised insiders whose credentials have been stolen and are being used by external attackers.
Technical Controls to Detect Insider Threats
Effective insider threat detection requires:
- Audit logging of all access to sensitive resident records — who accessed what, when
- Anomaly detection — alerting when staff access records outside their normal pattern
- Data loss prevention (DLP) — monitoring and blocking sensitive data leaving council systems
- Privileged access management — enhanced controls for staff with administrative access
- Clear acceptable use policies with consequences for unauthorised access
Frequently Asked Questions
Can councils prosecute staff for accessing resident records without authorisation?
Yes. Unauthorised access to computer systems is an offence under the Computer Misuse Act 1990. ICO enforcement action can also result in criminal prosecution under the Data Protection Act for deliberate misuse of personal data. Councils should ensure their disciplinary procedures clearly address unauthorised data access, and that staff understand the consequences.
Detect and prevent insider threats in your council
Kyanite Blue specialises in cybersecurity for iGaming operators. MGA-licensed operators across Malta trust our stack.
Get in touchReady to secure your iGaming operation?
MGA-licensed operators across Malta trust Kyanite Blue.