Hackers use these lists to gain access to other accounts where users have reused the same password.
Primarily plaintext credentials (email:password) or "stealer logs" (data harvested by malware from infected browsers). NWOxxxCOLLECTIONZip141zip
These "NWO" (New World Order) collections are typically —massive aggregations of email addresses and passwords stolen from various historical data breaches rather than a single new hack. Hackers use these lists to gain access to
Use services like Have I Been Pwned to see if your email address is part of this or similar collections. NWOxxxCOLLECTIONZip141zip