Well, Cybersecurity is important because it encompasses everything that pertains to protecting our sensitive data, personally identifiable information (PII), protected health information (PHI), personal information, intellectual property, data, and governmental and industry information systems from theft and damage attempted by criminals and adversaries.
1- always use a safe password
2- don't visit HTTP websites
3- remove all your contacts number from social networking sites like- phone number
Hope this helps!!
If you need to know more about cyber security & ethical hacking, it is recommended to go for cyber security certification course today.