A half and year taught us that WordPress security should not be taken lightly by any means. Between 15% and 20% of the planet's high traffic sites are powered by WordPress. The fact it is an Open Source platform and everybody has access to its Source Code makes it a prey for hackers.
In addition to the text and graphics you're creating, you're going to require a protection and backup alternative for your website. secure your wordpress site is important, and if you do not protect and back up your site you could lose important data and information that might be hard to restore. You don't need to have to start over from scratch once you've done all that work, so be sure you're secure.
Do use this link not depend on your internet host - Many men and women rely on their web host to"do all that technical stuff for me", not realizing that sometimes, they don't! Far better to have the responsibility lie instead of out.
Yes, you need to do regular backups of your website. I recommend at least a weekly database backup and a monthly "full" backup. More. Definitely more if you make additions and changes to your site. If you have a community of people that are in there all the time, or make changes multiple times a day, a daily backup should be a minimum.
Install the WordPress Firewall Plugin. Stop and this plugin investigates web requests to recognize attacks that are most obvious.
Do not use wp_. Web hosting providers are removing that default but if yours does not, fix wp_ to anything else but that.