These days, hacking is more of an omnipresent threat than ever before. But rather than popup ads being the primary source of malware and digital malfeasance, your email account is now the most likely place you'll encounter a computer virus or hacking attempt.

Even if you use antivirus software, your emails may not be as secure as you think. The conversations or information you put in them could put you at risk if they aren't properly certified and encrypted.