Case Study: Repsol achieves secure GenAI adoption and robust data protection with Zscaler

How Repsol’s DLP Strategy Enables a Fearless Embrace of GenAI

Repsol, a Madrid-based multinational energy and petrochemical company with 24,000+ employees, set out to harness generative AI to boost productivity and accelerate its transition to low‑carbon solutions. Rapid GenAI adoption and increased reliance on cloud and SaaS exposed gaps in legacy security—limited visibility into data flows risked intellectual property loss, privacy breaches and regulatory non‑compliance—so the company needed a scalable, zero‑trust DLP approach.

By deploying Zscaler’s cloud‑native DLP and zero‑trust controls, Repsol gained inline traffic monitoring, classification‑based policies and granular enforcement across multi‑cloud environments. The rollout secured 80% of digital transactions across clouds, processed 100M transactions in three months, prevented about 7M policy violations per quarter, enabled safe GenAI use and seamless access without VPNs, and improved compliance while reducing hardware reliance.

Repsol

Javier Ariztegui

R&D Project Leader