graphics card rust

Hello, I just opened up my MSI XTRIO GTX 1080 Ti after 4 years to clean up (used to live in humid area before, now I'm living in dry area), so when I was cleaning I realized its HDMI and DP are rusting, you can see in picture: View: https://imgur.com/a/jFt7cSO So should I be worried? Is it...