Yes. I've had a new install compromised immediately after first boot. This was over a poorly configured cable internet service. I could also see and connect to

Yes. I've had a new install compromised immediately after first boot. This was over a poorly configured cable internet service. I could also see and connect to other computers in the neighborhood and had full access to shared resources. I did it to prove a point. ISP techs didn't believe it could happen. Yes, they were that bad. However, this was done at the time when every other machine everywhere was compromised in some way and sputtering out malware all the time. I have no idea what the results would be like today, but I suspect it would be far less dramatic because the exploits for XP have more than likely been offline for a long time.