Well such a situation can be disastrous, in case you have no reliable backup or just insufficient backup. Still the Mac systems are vulnerable to hard drive crashes that even both Steves (- Jobs and Wozniak) can’t shirk off. There’s is no denying Macs are almost impregnable to viruses and spyware unlike the PC’s.
If Apple tries to convince you that Mac is unassailable, its not exactly so. 10 Best Backup and Recovery Software For Mac
