eli5: Why do computer operating systems have lots of viruses and phone operating systems don’t?

Question

eli5: Why do computer operating systems have lots of viruses and phone operating systems don’t?

In: 5085

Answer 1

Android has tons of virus and malware. The more open the OS the bigger the attack surface. Even iOS has exploits but the time it takes to develop vs the time Apple takes to fix is not attractive for attackers.