: Once downloaded, the file is loaded into software that performs credential stuffing . The software tries every password on the list against a specific website. Because many people reuse the same password across multiple sites, a leak from a small, forgotten forum can grant a criminal access to a victim's primary email or shopping account.

The story begins not with a single hack, but with a collection of leaks from various websites over several years. A "data broker" in an underground forum gathers these fragments, filters them for Irish domains (like .ie or popular Irish service providers), and packages them into a single .txt file titled .

: In Dublin or Cork, a regular user might wake up to an email notification: "Your password has been changed" or "New login from an unrecognized device." By the time they see it, the attacker has already used their saved credit card to buy gift cards or sold their "premium" account access to someone else for a few dollars. How to Protect Yourself