MalCare Security Blog
Practical WordPress security guides from the MalCare team: cleaning hacked sites, hardening WordPress, and choosing the right tools.
528 articles · page 1 of 44
How to Tell If a Skimming Attack Is Hiding on Your WordPress Site
That is what a skimming attack looks like from the owner’s side: a site that behaves perfectly while a few lines of hidden code copy whatever visitors type into a payment form.
How to Fix the “Cannot Modify Header Information, Headers Already Sent By” Error in WordPress
You type your password, press Log In, and wait for your dashboard and it never shows up.
How to Edit .htaccess in WordPress Without Accidentally Taking Your Site Down
You’ve opened the hidden file, and now you’re stuck between scrolling, copying, and closing the window.
Rising Attacks From Compromised Updates – WordPress 7.1.4, UpdraftPlus and RankMath
WordPress updates are essential, but are they enough? Learn how compromised updates put sites at risk and what it takes to protect yours beyond clicking update.
Website Hacking Techniques We See Attackers Use on WordPress Sites
Your site is redirecting them to a pharmacy spam page, but when you open it in your own browser, everything looks normal.
PHP2Shell: Critical PHP Vulnerability Requires an Urgent PHP Update
PHP2Shell lets attackers take over any site on an unpatched PHP version. Find exposed sites in MalCare and get your web host to update PHP today.
How to Block Customers in WooCommerce Without Losing Valid Buyers
Three orders from the same customer, and two of them have already cost you money. That’s usually the moment store owners start searching for a way to make WooCommerce block customers like this one.
CNP Fraud WooCommerce: Spot Suspicious Orders Before It’s Too Late
CNP fraud WooCommerce can look like a normal order until small amounts, new delivery addresses, repeated attempts, or other details line up.
How to Stop WooCommerce Card Testing Attacks and Protect Your Sales
You open your orders page expecting an ordinary day. Instead, you find a long list of tiny payments from strangers, most of them marked as failed, with more arriving while you watch.
Why Your Page Was Loaded Over HTTPS but Requested an Insecure Script
The padlock shows up, you open a page to admire it, and then Chrome flags it: your page was loaded over HTTPS but requested an insecure script.
Best WooCommerce Fraud Prevention Plugins to Stop Fake Orders in 2026
Fake orders have a way of showing up in bursts. One morning you’re scrolling through new orders, and a dozen small card payments from strangers sit in a row, all with slightly different names.
Passkeys vs 2FA without the jargon or the lockout risk
You sign in to your email tonight, and a prompt asks, “Create a passkey?” even though the code from your authenticator app has worked fine for years.