As a system admin you need to be on the lookout for people who make these. “[T]here were 1,862 data breaches in 2021 — a 68% increase over breaches in 2020. And, new year-over-year results indicate a fast start to data breaches in 2022, as more than 90% of data breaches are cyberattack-related.”
https://www.securitymagazine.com/articles/97518-the-20-most-common-passwords-leaked-on-the-dark-web