Never use the same password for more than one service. Using a password manager like 1Password or Bitwarden can help manage this.
Use services that notify you if your email appears in new leaks or combo lists. Learn more about Password Combo List notification Download File 428 Combo [User_Pass] Duplicate R...
These lists are compiled by cybercriminals from multiple data breaches, infostealer malware logs, and other security incidents. Never use the same password for more than one service
Adding a second layer of security (like an authenticator app or hardware key) makes it much harder for someone with your password to gain access. Learn more about Password Combo List notification These
The specific file you referenced, appears to be a curated collection of these credentials where duplicate entries have been stripped out to increase its efficiency for automated attacks. Understanding Combo Lists
If you are concerned that your information might be in such a list, security experts from Norton Support and Aura recommend: