Adecco
Disclosed May 31, 20224 years ago4,284,538 accountsUnverified
In March 2021, news broke of a massive data breach impacting millions of Adecco customers in South America which was subsequently sold on a popular hacking forum. The breach exposed over 4M unique email addresses as well as genders, dates of birth, marital statuses, phone numbers and passwords stored as bcrypt hashes.
What is known
| People affected | 4,284,538 (accounts in the leaked data, per Have I Been Pwned) |
|---|---|
| Disclosed | May 31, 2022 |
| Happened | Jan 3, 2021 |
| Attack | Hacking |
| Data exposed | Emails, Location, Names, Passwords, Phone numbers |
| Sector | Tech |
| Status | Unverified: not yet confirmed by an official notice, a filing or the organization |
| Check your email | Have I Been Pwned |
Sources
| Source | |
|---|---|
| Have I Been Pwned: Adeccohaveibeenpwned.com · Aggregator | Aggregator |
Notices filed
| Where | Filed | People |
|---|---|---|
| Have I Been Pwnedaccounts in the data | May 31, 2022 | 4,284,538 |
History of this record
- 2026-09-25 · added · backfill source
First seen 2026-09-25 (Have I Been Pwned). Record counts are as reported. Not legal advice.