If you've ever had an account or relationship with Shein, it's worth checking whether your personal data was exposed in this incident. Here's what happened, what data was involved, and what to do about it.
What Happened
Shein, the fast-fashion e-commerce retailer, suffered a data breach in 2018 that was not disclosed to customers or regulators until 2020 — a delay of roughly two years. The breach affected approximately 39 million customer accounts. New York's Attorney General later found that Shein's parent company, Zoetop, had sent form-letter responses to customers asking about the breach without confirming it had actually occurred.
What Data Was Exposed
The exposed data included customer email addresses and encrypted passwords. Financial and payment information was reportedly not part of the exposed dataset.
Why This Still Matters
Exposed data doesn't expire. It's sold, traded, and reused for years, fueling credential stuffing attacks — automated attempts to reuse your email and password combination across other sites. If you reused a password anywhere, one old exposure can compromise several current accounts.
How to Check If You Were Affected
Use our free breach checker below — enter your email and we'll scan it against known breach databases instantly, no signup required.
What to Do If You Were Affected
- Change any reused password immediately, starting with your most sensitive accounts.
- Enable two-factor authentication wherever it's offered.
- Monitor financial and health accounts closely if that kind of data was involved.
- Watch for phishing — exposed data is often used to craft convincing scam messages.
- Freeze your credit if your SSN or government ID number was exposed.
👉 Check your own exposure in 30 seconds → scan your email free.
Frequently Asked Questions
When did the Shein data breach happen?
The breach occurred in 2018, but Shein's parent company, Zoetop, did not disclose it to affected customers or regulators until 2020 — a delay of about two years.
What data was stolen in the Shein breach?
Email addresses and encrypted passwords for approximately 39 million customer accounts were exposed. Payment card information was reportedly not part of the breach.
Why was Shein fined over this breach?
New York's Attorney General found that Zoetop (Shein's parent company) misled customers who inquired about the breach by sending generic responses that did not confirm a breach had occurred, resulting in a $1.9 million settlement in 2022.
How do I check if my Shein account was affected?
Use the free checker at Scan My Shadow with your email address. If it appears, change your Shein password, especially if you haven't updated it since before 2020.
What is the lesson from the Shein breach delay?
It highlights the importance of not relying solely on companies to proactively notify you — using an independent breach checker regularly is a more reliable way to catch exposures a company may be slow to disclose.