As a matter of fact, according to some experts, Macs are now far more vulnerable to externals threats than PC’s than ever before in history. Users were blissfully secure and never had to worry about landing infections, that the concern of Windows OS users. There once was a time when your Mac computer were considered to be relatively immune to viruses and malware. Most common ways to check for Virus on Mac
How to delete malware from your Mac manually.Should I install an antivirus for my Mac?.