It's unclear from your post whether or not your server was compromised. There's a difference between being attacked (which happens all the time) and being compromised. The first is just a... [by TrevorH]
I access the network through a connection which is most likely compromised by a MITM attack. I can't do much about it. What steps should I take to lessen the influence of this attack. I'm especially concerned about the attacker messing with repository links and compromising my system.