Forget the stealthy hacker deploying a never-before-seen zero day to bring down your network. IT security professionals admit that one in three breaches are the result of vulnerabilities that they should have already patched.
Software vendors are constantly publishing new patches to fix problems in software that they have sold. It’s then up to the users of the software to apply the patches — or else risk leaving themselves open to attack via the backdoors that the vendors failed to spot when building the product in the first place.