
What was exposed, when it happened, and which databases confirm it.
- accounts
- 4,284,538
- Breached
- January 3, 2021
- Last Update
- May 31, 2022
Were you caught in this breach?
Search your email, phone number or username against every record CheckLeaked indexes.
Your address never leaves this page: it is hashed in your browser and only a short fragment of that hash is sent.
What happened
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.
Compromised Info
- Email addresses
- Genders
- Geographic locations
- Marital statuses
- Names
- Passwords
- Phone numbers
Attestation
Four independent databases catalog this breach and they do not always agree. Each lane below is one source’s own count.
Sources & Link Methods
- LeakCheck— linked via automatic string matching
- Dehashed— linked via domain matching
- HIBP
FAQ
What was leaked in the Adecco breach?
The Adecco breach exposed: Email addresses, Genders, Geographic locations, Marital statuses, Names, Passwords, and Phone numbers.
When did the Adecco breach happen?
The Adecco breach was disclosed on January 3, 2021 and affected 4,284,538 records.
Am I affected by the Adecco breach?
Search your email, phone or username at checkleaked.cc to find out whether your data appears in the Adecco leak.