Your Antivirus or firewall programs
must be up to date to work effectively, whether they came pre-loaded or you loaded them onto your phone, tablet, laptop, etc. yourself.
Operating system software
, This could be Windows 8, 10, 11, Apple macOS, Google ChromeOS or Android, for example.
Internet browsers and apps:
This could be Microsoft Edge, Mozilla Firefox, Apple Safari, etc.
Whether you purchased the security software or it came preloaded, the companies that created the software and made it available, often provide updates to address security issues, fix bugs or add new features. If you don’t regularly update the software you will not have protection from the latest threat that may affect that software.