These files are often circulated on hacker forums and the dark web to target Riot Games' massive player base across titles like League of Legends and VALORANT . Understanding "Combo.txt" in the Riot Games Ecosystem

: Security experts recommend using services like Have I Been Pwned to see if your email appears in any public "combo.txt" dumps.

: Bad actors use automated tools to test these "combo" pairs against Riot’s login portal. Successful logins are flagged as "active" or "cracked" and sold for as little as $2 on black markets.