Security plugins can be purchased by you for your WordPress blog. There are security plugins out there that guarantees security for your own blog. One is called fix wordpress malware removal Scan. The system is continuously scanned by this plugin for enhancing the see this here safety. Additionally, it updates the security that new hackers can't penetrate the system.
No software system is resistant to vulnerabilities and bugs. Security holes will be found and bad guys will do their best helpful resources to exploit them. Keeping your software up-to-date is a fantastic way once security holes are found because their products will be fixed by software vendors.
Yes, you need to do regular backups of your site. I recommend at least a weekly database backup and a monthly "full" backup. More, if at all possible. Definitely if you make changes and additions to your site. If you make changes multiple times every day, or have a community of people that are in there all the time, a daily backup should be a minimum.
It is really sexy to fan the flames of fear. That is what journalists and bloggers and politicians and public figures do. It's terrific for readership and it brings money. Balderdash.
Free software: If you have installed scripts search Google for'wordpress security'. You'll get many tips.