For my part: Bell Canada (got hacked a few times, notoriously) So. Many. ATS. (Applicant Tracking Systems) Several small time online stores. The first two p

For my part: Bell Canada (got hacked a few times, notoriously) So. Many. ATS. (Applicant Tracking Systems) Several small time online stores. The first two probably got breached and the emails stolen (although I have never ever received any disclosure of being breached from any ATS ever. Small time stores they probably sold it for actual money, they weren’t exactly trustworthy in the first place. I use spam gourmet so I know exactly where any email address was first used and thus who leaked it.