Mate1.com
In short: Mate1.com was an online dating site, listed by CB Insights as founded in 2003 and based in Montreal, Canada. It suffered a data breach in February 2016 that exposed the details of about 27.4 million subscribers. Its domain now redirects to the eDate dating site. DII cites the breach as an industry warning case.
Key facts
| Type | Dating app |
|---|---|
| Headquarters | Montreal, Canada |
| Founded | 2003 |
| Website | mate1.com |
| Founded | Mate1.com was founded in 2003 and is based in Montreal, Quebec, Canada [CB Insights, 2003] |
| Fact | A breach in February 2016 disclosed information on over 27 million Mate1.com subscribers, including plaintext passwords [Have I Been Pwned, February 2016] |
| Fact | Global Dating Insights reported on 1 March 2016 that a hacker claimed to have sold 27 million email addresses and plaintext passwords from Mate1.com, which was said to have 36.5 million users [Global Dating Insights, 1 March 2016] |
| Fact | In October 2026 the mate1.com domain redirected to the eDate website (edate.com) [Observed HTTP redirect from mate1.com to edate.com, October 2026] |
About Mate1.com
Mate1.com was an online dating site that matched members by questions about interests, personality and preferences. CB Insights lists it as founded in 2003 and based in Montreal, Quebec, Canada, under the company name Mate1.com Inc.
The site is best known in the industry for a large data breach. In February 2016, according to Have I Been Pwned, the site suffered a breach that disclosed information on more than 27 million subscribers. The data included personal details such as dates of birth, income levels and sexual preferences, and passwords that were stored in plain text. Global Dating Insights reported on 1 March 2016 that a hacker claimed to have sold about 27 million email addresses and plaintext passwords, from a site said to have 36.5 million users. Have I Been Pwned lists the breach as sensitive and added it to its service on 14 April 2016.
Dating Industry Insights cited the breach in July 2026 as one of several examples of earlier dating-industry incidents, alongside Badoo and Ashley Madison. DII dated the Mate1 breach to 2017, but Have I Been Pwned and Global Dating Insights place it in 2016. In October 2026 the mate1.com domain redirected to the eDate website.
Also mentioned in
Questions about Mate1.com
When was the Mate1 data breach?
Have I Been Pwned dates the breach to February 2016, when information on over 27 million subscribers was disclosed. DII's story gives 2017, which sources do not support.
Where was Mate1 based?
CB Insights lists Mate1.com Inc as based in Montreal, Canada.
What is Mate1.com?
Mate1.com was an online dating site, listed by CB Insights as founded in 2003 and based in Montreal, Canada. It suffered a data breach in February 2016 that exposed the details of about 27.4 million subscribers. Its domain now redirects to the eDate dating site. DII cites the breach as an industry warning case.
Where is Mate1.com based?
Mate1.com is based in Montreal, Canada.
When was Mate1.com founded?
Mate1.com was founded in 2003.
Also known as: Mate1, Mate1.com Inc.