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Breach occurred 2026-08-01Verifiedalcon.com
What happened
In August 2026, the Alcon eye care company was named in a ShinyHunters "pay or leak" extortion campaign. The group subsequently published data allegedly sourced from Alcon containing 218k unique email addresses along with other largely corporate B2B contact fields, including name, phone number and physical address.
Data exposed
Frequently asked questions
The Alcon data breach occurred on August 1, 2026. It was added to Have I Been Pwned's breach catalog on August 9, 2026.
218,395 accounts were affected by the Alcon data breach, according to Have I Been Pwned's records.
The Alcon breach exposed the following data types: Email addresses, Names, Phone numbers, Physical addresses.
Yes. Have I Been Pwned has verified the Alcon 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 Alcon 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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