Attackers use automated software to rapidly test every pair in the list against Riot Games' login servers to see which accounts are still active. Once a working account is found, it is often: on dark web forums or specialized "alt" shops.
In cybersecurity, a "combo list" (Compilation of Multiple Breaches) is a database typically used by hackers for attacks. HQ 255K VALORANT AND LOL COMBO.txt
: Stands for "High Quality," a marketing term used by cybercriminals to imply the data is fresh or has a high success rate for logging into accounts. Attackers use automated software to rapidly test every
for cheating or "smurfing" without risking the attacker's main account. Why You Might See This : Stands for "High Quality," a marketing term
The file titled "" is a combolist —a plain text file containing a collection of stolen usernames (or email addresses) and passwords paired together . What is a Combolist?
If you have received a notification (e.g., from a service like Have I Been Pwned? or a credit monitoring app) mentioning this file, it means your email or username was found inside it. This typically happens because your credentials were leaked in a previous, unrelated data breach and then "recycled" into this new Riot-focused list. Security Recommendations If you suspect your account is at risk: Combolists and ULP Files on the Dark Web - Group-IB