That’s the good news. The bad news is that applications and operating systems are constantly under attack.
Every day, black hat hackers discover new vulnerabilities and publish exploit code. Criminals and script kiddies
then use that exploit code to attack vulnerable systems. Also, security researchers have found many
vulnerabilities on a variety of systems that, if exploited, could have resulted in loss of data, allowing an attacker
to steal secrets, or enabling an attacker to run code on someone else’s computer