[Yosemitest]

You get what you pay for,
either a secure operating system,
or one so full of holes
that anyone can infect with malware and viruses.

[driftdiver]

He installed it with software, which means he gave it permission. WHich means it wouldnt matter what OS.

And oh by the way, the mac OS has plenty of holes. ESPECIALLY when an admin presses the yes button.