An excellent maintenance plan includes backups of your site for emergencies, but it must also ensure that all modules, integrations and plug-ins work correctly and securely.
Hackers and bots are always looking for vulnerabilities in obsolete websites to exploit their weaknesses. When damage arises, it is challenging to repair it, especially the reputation. But repair can also be costly.
Consuming thousands of euros for retroactive work to locate intrusion, cleaning the problem, testing, and deployment is not appropriate. After all this, you still need to concentrate on dealing with injury, lawsuits and public relations to minimise media damage and the anger of customers.
Regular maintenance is carried out as an insurance plan against unforeseen problems. Preventive maintenance can save you a lot of money, so do not wait for an accident.