12/11/2026
Your customer data has been stolen. The first 72 hours are not the time to work out your plan.
You may need to contain the attack, preserve evidence, determine what was taken, notify the local Data Protection Authority, inform customers and prepare for extortion or follow-up phishing.
At the same time, normal business must continue.
The companies that respond best already know:
• who makes decisions
• who investigates and contains the attack
• where customer data is stored
• which customers and authorities must be informed
Our new guide explains what an SME should prepare before a breach:
https://www.spysecure.nl/en/knowledge/data-breach-what-to-do-sme
Customer data stolen? What an SME must do after a data breach: who to inform, how fast, and how to prevent the next one.