Always run your parser in a sandboxed, offline environment. Never store plain-text passwords longer than necessary. And check your local laws—possession of certain breach data may be illegal depending on jurisdiction.
Attackers often corrupt dumps intentionally to evade detection. A parser might find: u s e r : p a s s (spaces injected) admin%40example.com (URL encoding) breach parser
: Automates the extraction of login information from massive "combo lists" or past data breaches. Validation Always run your parser in a sandboxed, offline environment