1. well known signature hashes documenting what an non-tampered CD iso should have. 2. you are absolutely correct in that old software sometime comes infested

1. well known signature hashes documenting what an non-tampered CD iso should have. 2. you are absolutely correct in that old software sometime comes infested with known malware/virus... however one also needs to acknowledge it was often in the original files too (Sony root kit etc.) 3. 86box is slow, but can contain most nastiness that came with old PC games =)