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Breach occurred 2025-03-25Verifiedtroyhunt.com
What happened
In March 2025, a phishing attack successfully gained access to Troy Hunt's Mailchimp account and automatically exported a list of people who had subscribed to the newsletter for his personal blog. The exported list contained 16k email addresses and other data automatically collected by Mailchimp including IP address and a derived latitude, longitude and time zone.
Data exposed
Frequently asked questions
The Troy Hunt's Mailchimp List data breach occurred on March 25, 2025. It was added to Have I Been Pwned's breach catalog on March 25, 2025.
16,627 accounts were affected by the Troy Hunt's Mailchimp List data breach, according to Have I Been Pwned's records.
The Troy Hunt's Mailchimp List breach exposed the following data types: Email addresses, Geographic locations, IP addresses, Latitude and longitude pairs.
Yes. Have I Been Pwned has verified the Troy Hunt's Mailchimp List breach, meaning there's confirmed evidence the exposed data is genuine and tied to real accounts.
Use KazaSec's free Email Breach Checker (/tools/breach-check) to check whether a specific email address has surfaced in the Troy Hunt's Mailchimp List breach, or any other known breach — the tool never stores what you search.
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.
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