Well, it's quite simple really - introduced back in 2017 and consisting of three types (green representing good behavior, red being the worst one possible and yellow being somewhere in between), the "Trust Factor" acts as a rating system that will match players based on their overall behavior in the game.

1. Use the Steam Guard feature.
2. Set your Steam profile to public.
3. Make more friends and add them on Steam.
4. Remove any banned people from your friends list and do not add others that have also been banned in the past.[/b]
5. Become an active and consistent member of the Steam Community.
6. Comment on different profiles, screenshots, artwork, discussions and guides like this one.
7. Play games on a regular basis and avoid cheating.
8. Do not play with teammates that use cheating software.
9. Give weapons to your teammates.
10. Receive praise (be commended) from your teammates.
11. Do not kick players out of any match.
12. Participate in as many "Overwatch" cases as you can.
13. Whenever possible, play with people that have a high trust factor.
14. Always mention any potential cheaters, even if they are on your team.
15. Don't be toxic towards anyone, especially your opponents, even if someone challenges/instigates you.
16. Do not harass your teammates in any way (via voice chat, text chat, blocking, teamkilling, trolling etc.).
17. No matter the situation, always be friendly!

Either way, thank you for taking the time to read our little informational corner.