Updates, especially WordPress updates and upgrades are imperative to keeping your site safe, information secure and your website functioning.
If WordPress more than most is not maintained with the latest updates and upgrades, you will face problems – within a relatively short space of time. WordPress release many updates, followed by various upgrades – to resolve security, vulnerability and usability issues.
In WordPress, updates and upgrades as usually distinguished by version numbers. Moving from version 4.1 to 4.1.1 is an update – while moving from version 4.1 to 4.2, is an upgrade.
Plugins, add-ons and extensions must also be kept updated to avoid security vulnerabilities in whatever CMS platform is being used. Website updates and upgrades included with all website hosting packages.