REGULARLY UPDATE THE CMS OF THE SITE
Updating the CMS site
This advice may seem obvious, but regular software updates are essential to ensure the security of your site. When a vulnerability is discovered in the software, hackers immediately try to exploit it. Do not hesitate: regularly update the CMS and all its components (plugins, modules, theme files, etc.). However, don’t forget, some updates may not be compatible with each other. Therefore, we strongly recommend making a backup copy before any update.
Also be sure to subscribe to notifications from your software vendor to keep abreast of the latest news.
To date, the vast majority of companies make email newsletters, support push notifications and lead groups in social networks, through which they promptly notify their subscribers about discovered vulnerabilities and current updates. And some CMS, including the popular WordPress, report updates every time they log in.