Article
10 WordPress Security Mistakes That Could Harm Your Business (And How to Avoid Them)
WordPress security breaches hit 13,000 sites daily, mostly caused by simple management mistakes.
LAST UPDATED:June 10, 2026
With 43% of websites running WordPress, you’re using the world’s most popular CMS, but that popularity makes you a target.
The harsh reality? 96% of WordPress vulnerabilities come from plugins and themes, not WordPress itself.
Here are the 10 most dangerous mistakes we see SMBs make with their WordPress sites, and simple steps to avoid becoming another statistic.
1. Don’t Use Weak Admin Passwords
The Problem: “admin” with “password123” still appears on thousands of sites daily. 81% of data breaches involve compromised credentials.
What Not to Do: Never use predictable usernames like “admin” or simple passwords you can remember easily.
Quick Fix: Use a password manager (we use 1Password) to generate unique, complex passwords and change your admin username to something non-obvious.
2. Don’t Postpone WordPress Updates
The Problem: 35% of hacked sites run outdated WordPress versions. Attackers scan for known vulnerabilities within hours of disclosure.
What Not to Do: Don’t ignore those update notifications for months because you fear something might break.
Quick Fix: Enable automatic updates for WordPress core and test major updates on a staging site first.
3. Don’t Install Too Many Plugins
The Problem: The average SMB site runs 20-30 plugins when 5-10 would suffice. Each plugin increases your attack surface exponentially.
What Not to Do: Don’t install plugins for features that simple code snippets could handle, and never leave unused plugins installed.
Quick Fix: Audit your plugins quarterly and delete anything you’re not actively using.
4. Don’t Use Cheap, Unreliable Hosting
The Problem: £5 monthly hosting often leads to £5,000+ recovery costs when security failures occur. Shared hosting means your neighbours’ problems become yours.
What Not to Do: Don’t choose hosting based solely on price, especially if your site generates revenue.
Quick Fix: Invest in managed WordPress hosting with built-in security, backups, and expert support. We use WP specialist hosting companies like Kinsta or Pressable, or build our own bare-bones systems on Linode.
5. Don’t Skip Regular Backups
The Problem: 76% of businesses experience critical data loss, and 96% of ransomware attacks now target backup systems. No backups means starting from scratch.
What Not to Do: Don’t rely on your hosting company’s backups or assume “it won’t happen to me.”
Quick Fix: Set up automated daily backups to cloud storage and test restoration monthly.
6. Don’t Give Everyone Admin Access
The Problem: Most SMBs hand out admin privileges like business cards. Former employees often retain access for months after leaving.
What Not to Do: Avoid creating multiple admin accounts or granting admin access when Editor or Author roles are sufficient.
Quick Fix: Audit user accounts quarterly and use the principle of least privilege for all access. Have an HR policy that includes onboarding and leaving processes.
7. Don’t Install Plugins from Dodgy Sources
The Problem: Nulled or pirated plugins frequently contain malware. Even legitimate plugins can hide backdoors if sourced incorrectly.
What Not to Do: Never download plugins from unofficial sources, torrent sites, or “free premium plugin” websites.
Quick Fix: Only install plugins from the official WordPress repository or directly from reputable developers.
8. Don’t Ignore SSL Certificates
The Problem: Sites without SSL certificates show “Not Secure” warnings in browsers, destroying customer trust. Search engines also penalise unsecured sites.
What Not to Do: Don’t run any website without proper SSL certificates, especially if you handle customer data.
Quick Fix: Enable SSL certificates through your hosting provider and ensure all links use HTTPS.
9. Don’t Skip Security Monitoring
The Problem: WordPress sites get attacked every 32 minutes on average. Without monitoring, you won’t know you’re compromised until it’s too late.
What Not to Do: Don’t assume your site is safe because it “looks normal” or hasn’t obviously been hacked.
Quick Fix: Install security plugins like Wordfence for real-time monitoring and threat detection.
10. Don’t Manage WordPress Alone
The Problem: 60% of SMBs that suffer cyberattacks close within six months. The complexity of modern WordPress security exceeds what most small businesses can handle internally.
What Not to Do: Don’t treat WordPress management as a “set it and forget it” system or rely on inexperienced staff for critical security decisions.
Quick Fix: Partner with WordPress specialists who understand the evolving threat landscape and can implement comprehensive security strategies.
The Bottom Line
WordPress security isn’t optional anymore. With average breach costs exceeding £2.2 million for small businesses, professional management isn’t an expense – it’s essential insurance.
These ten mistakes account for the majority of WordPress compromises we encounter. Avoiding them significantly reduces your risk, but remember: attackers constantly evolve their tactics, and WordPress security requires ongoing attention from experienced professionals.
Ready to secure your WordPress site properly? Our team at LWDA specialises in comprehensive WordPress security, maintenance, and performance optimisation. We’ve seen every type of attack and know exactly how to protect your business from becoming another statistic.
Contact us today for a free WordPress security audit tailored to your specific business needs. Because when your website goes down, your business stops – and we’re here to make sure that never happens.
LWDA provides bespoke web software and digital growth consultancy for agencies and SMBs. Our WordPress security specialists have over 30 years of combined experience protecting businesses from cyber threats.
