Breach occurred 2026-04-06Verified

LegionProxy data breach

legionproxy.io

What happened

In April 2026, the commercial residential and ISP proxy network LegionProxy suffered a data breach. The incident exposed 10k email addresses, bcrypt password hashes, names and purchases.

10,144 accounts affected

Breach date 2026-04-06

Data exposed

Email addressesNamesPasswordsPurchases

Frequently asked questions

When did the LegionProxy data breach happen?

The LegionProxy data breach occurred on April 6, 2026. It was added to Have I Been Pwned's breach catalog on May 6, 2026.

How many accounts were affected by the LegionProxy breach?

10,144 accounts were affected by the LegionProxy data breach, according to Have I Been Pwned's records.

What data was exposed in the LegionProxy breach?

The LegionProxy breach exposed the following data types: Email addresses, Names, Passwords, Purchases.

Is the LegionProxy breach verified?

Yes. Have I Been Pwned has verified the LegionProxy breach, meaning there's confirmed evidence the exposed data is genuine and tied to real accounts.

How do I check if my email was affected by the LegionProxy breach?

Use KazaSec's free Email Breach Checker (/tools/breach-check) to check whether a specific email address has surfaced in the LegionProxy breach, or any other known breach — the tool never stores what you search.

Was your own email in this breach?

Our free Email Breach Checker tells you whether a specific email address has surfaced in this breach — or any other known breach — without ever storing what you search.

Check your email →

Talk to us about this

Security Consulting

Understand what a breach like this would actually cost you, and how to reduce that risk.

Penetration Testing

Find the same class of gap before it leads to a breach like this one.

View on Have I Been Pwned

Don't want to end up on this list?

We help organizations find and fix the gaps that lead to a breach, before they do.

Request a Security Assessment Browse Services