How to Make WordPress Site Secure from Hackers?

[Querrido]

Would like to know all possible way to make my WordPress site secure from hackers.
Are there any experts who can share their tips here?

One of my co-workers shared these ones:

Create WordPress Sites on FLATsite
Use TLS or SSL Certificates
Utilize DDOS Protection
Implement a Website Back-up

Have you tried FLATsite static wordpress site generator (https://flatsite.com/)? Is it really good solution?
So, could you share your view points on securing wordpress site from hackers?

Thanks.

[Ahmadkhan]

Hey,
There are a number of ways to protect the site from hackers however there is no sure shot forumula that can 100 percent guarantee that the site will be safe.
Use SSL certificate
Many of the providers come with free SSL for websites. This is the most basic part of website security. It is also essential for SEO of the website and getting it ranked on Google
Choosing a good provider
Good hosting providers have a number of security measures by default. Also they have 24/7 support which helps in case of any mishaps.
Firewalls
Firewalls come on two levels. Web Application and DNS. Mostly sites do use Web application Firewalls(WAF) but do not use on DNS level also which is a mistake.

Some other common measures include
Changing passwords regularly and prompting users to keep strong passwords
change WP login URL from the universal wp-admin
disable file editing

Hoping this helps, Cheers

[Gerbert]

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They are ahead of the curve and combined with friendly service keeps me coming back and also recommend to others.