Your host should offer you advanced security options, which can help to minimize the number of malicious attacks carried out. You may be able to ask for a firewall or additional spam filters to be applied to keep your websites as clean as possible. Security is of paramount importance and WordPress does take security breaches very seriously so if you do encounter a problem, your host should offer you a response on the same level as WordPress itself.
The first and most common cause of a security breach occurs when there is a violation of a password and it is hacked. More often than not this practice is carried out by spam bot software that send continuous log in attempts through the log in page until it eventually gets a match. Some hosts can provide additional software, which will block the IP address of any device that sends continual unsuccessful attempts at logging in. Speak to your host about added security features at the server level.
WordPress talks about the second instance of security breach and how you and your host can protect you against attacks:
WordPress does offer additional help and support in terms of security and responds promptly to requests. There is additional information and plenty of resources contained on the forums as well.
With open source web software there comes the responsibility of maintaining the website, from a number of different perspectives. This includes the security elements. When WordPress, other software, apps and plug ins go through updates and they are not done, the security becomes compromised. Doing regular updates can help to protect you against vulnerabilities.
Of course, you will also need to ensure you have a completely secure connection with which to access your website. If not, this could also present an area of vulnerability.
And, because the possibility of a hack is always present, regular back ups are also essential. In the unlikely event that your site is hacked, you do need to know that you can restore and retrieve the most recent version of what you had online. If you cannot arrange to do your own back ups, make sure they are included in your hosting package. It’s like insurance for your website, and without it, there is no guarantee that you will always have access to your website.