I run a WordPress site, and I used to treat its security as a one-time setup job. I would install a plugin, feel protected, and then forget about it for months. That approach failed in the usual quiet way: nothing dramatic happened, but updates piled up, old accounts stayed active, and plugins I no longer used were still sitting there, waiting to become a problem.
The risk is not that WordPress itself is uniquely unsafe. It is that a popular, internet-facing system is a tempting target, and a site with many moving parts gives an attacker many places to try. A single outdated plugin, a weak admin password, or an old user account with too much access can be enough. Security for a site like mine is therefore less about one clever tool, and more about a short list I actually repeat.
The risk in plain words
Most WordPress compromises I read about do not start with a sophisticated break-in. They start with something ordinary: a plugin that was not updated, a theme that was abandoned, or a login page that was left open to unlimited guesses. Automated tools scan for exactly those conditions, because they can try them against thousands of sites without much effort. Your site does not need to be famous to be scanned.
Users are part of the risk too. Every account is a door, and every door with administrator access is a powerful one. Old accounts for people who no longer help with the site, shared logins, and accounts with weak passwords all increase the chance that a stolen credential turns into a full takeover. I try to keep the number of doors small, and the keys to them strong.
How it actually works
An attacker who finds an outdated plugin can sometimes use its known flaw to upload files or change content. An attacker who guesses or steals an admin password can simply sign in and do the same thing through the normal interface. A firewall can block many automated attempts, and lockouts can slow down guessing, but neither helps if a trusted account is misused or an unused plugin is left unpatched. That is why the checklist covers several layers at once.
Hiding the login page and adding lockouts, for example, do not make a site invincible. They reduce noise and make automated guessing harder. Least-privilege access means that even if a lower-level account is compromised, the damage is limited. Backups mean that if something does go wrong, I can restore a clean copy instead of trying to untangle a compromised site by hand.
What to actually do about it
First, keep WordPress, themes, and plugins updated, and turn on automatic updates where it makes sense. Remove plugins and themes you do not use, rather than leaving them installed and inactive. An inactive plugin can still be a risk if its files remain on the server, so deletion is the cleaner choice. Check for updates regularly, and keep a backup before major changes.
Second, tighten users. Give each person only the role they actually need, use strong, unique passwords, and turn on two-factor authentication for administrator accounts. Remove or downgrade accounts that are no longer needed, and do not share a single admin login among several people. If someone needs temporary access, give it temporarily, and then take it back.
Third, protect the login and the front door. Use a hidden or changed login address if your setup supports it, limit failed login attempts, and use a reputable firewall plugin or service to block common attacks. Keep those tools updated too, because a security plugin that is itself outdated is not doing you any favors.
Finally, back up the site regularly, including both files and the database, and store a copy somewhere separate from the live server. Test a restore occasionally, so you know the backup actually works. Then run through this list on a schedule, not just after a scare. That is the checklist I actually run: updates and auto-updates, least-privilege users, a protected login with lockouts, a firewall, backups, and no unused plugins lying around.