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ARTICLE · 15 APRIL 2026

Insider Threat In Focus: A €31.8m Lesson In Breach Transparency And Risk

Lewis Silkin
Lewis Silkin
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Lewis Silkin

Lewis Silkin

Joint managing partners: Jo Farmer, Richard Miskella International offices: Dublin, Hong Kong...

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An employee at Intesa Sanpaolo unlawfully accessed thousands of customer records over two years, leading to a €31.8 million fine from Italy's data protection authority. The ruling underscores that insider threats demand proactive, risk-based controls and that unauthorised access alone—even without data extraction—triggers serious breach notification obligations under GDPR.

ItalyPrivacy

Overview

An employee at one of Italy's largest banks, Intesa Sanpaolo S.p.A. (the Bank), spent more than two years unlawfully accessing the financial records of thousands of customers, including politically exposed persons, without any legitimate work-related justification. When the breach eventually came to light, the bank notified the Italian DPA, the Garante per la protezione dei dati personali (the "Garante"), with an incomplete account of the incident and chose not to inform "all" affected individuals.

In a decision imposing a €31.8 million fine on the Bank, the Garante delivered a clear and uncompromising message: insider access risks require proactive, risk‑based controls, and a personal data breach cannot be minimised simply because personal data was viewed rather than extracted.

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