WordPress, as you already know, is the world’s leading content management system. Naturally, it is also one of the prime targets of malicious hackers who lurk around the web.
Some people will try to hack your website, steal data, or infect it with viruses and malware. Such situations can be avoided by proper security measures like installing specific plugins or services. However, too many of these security plugins can be rather heavy, and affect the performance of your website – for example; it might lower the loading speed.