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Concerned about protecting the security of your WordPress website? You should be! Thousands of websites are hacked every day, and because WordPress is used by about 30% of the web it’s a favorite target for hackers. Perhaps the most dramatic illustration of this was the 2017 vulnerability that led to over 1.5 million websites being hacked, but less dramatic (but no less harmful) hacks occur constantly.
That’s not to say that WordPress can’t be a secure, reliable platform for your website to run on. It definitely can, if proper security measures are taken. As this study shows, though, far too many site owners are not taking even the most basic security steps.
WordPress isn’t inherently less secure than any other platform, but with the volume of WP sites out there, coupled with far too many site owners neglecting their WP sites, well…there’s a lot of low-hanging fruit out there for hackers to exploit. –Ken Dawes @ The Web Mechanic
One of the simplest ways to avoid becoming a victim of hacking is installing the latest updates for WordPress, plugins, and themes. These updates often contain patches for security vulnerabilities found by hackers or researchers. (One popular vulnerability database lists over 11,000 known vulnerabilities that have been found in older versions of WordPress and its themes and plugins.) The quicker you install the updates, the more likely you’ll protect your site before a hacker gets around to targeting you.
We analyzed the Quantcast top 10,000 WordPress sites on April 5, 2018 to determine which version of WordPress the sites were running. (The latest version (4.9.5) had been released 2 days earlier on April 3rd.) We found that 49% of the sites were running an outdated version of WordPress:
Since our first analysis was run just 2 days after the new version came out, we reran the analysis on April 13th, 10 days after the release of version 4.9.5. We only found a small improvement, with 44% of the top 10,000 sites running an outdated version (down from 49% the previous week). Because many hackers run automated crawlers that find and exploit vulnerable websites, 10 days is a very long window of opportunity for hackers to find and damage your website.
We also analyzed less popular websites (specifically, 14,000 websites with a traffic rank lower than 500,000) to see how practices differ at smaller sites. Here’s what WordPress version the two groups of sites were using:
|Top 10,000 Sites||Lower Traffic Sites|
This data shows that low traffic websites are 27% more likely to use an outdated version of WordPress. This seems to make sense, because lower traffic websites typically represent individuals and small organizations that may not have full time technical staff or developers to keep their website updated and secured.
Staying up to date with WordPress versions prevents you from being a victim of a low hanging fruit attack. When a vulnerability is found in a version of WordPress, hackers will create an exploit for that vulnerability and then cast a wide net, usually in an automated fashion, looking to see who is not up to date. –Greg Kelley @ Vestige Digital Investigations
Over the past few years, HTTPS has moved from something mostly used by ecommerce and financial websites to a best practice for all websites. In July 2018 Google plans to begin explicitly marking all http sites as “Not Secure” which will further motivate websites to switch to HTTPS.
During our analysis, we checked the WordPress sites to determine whether they have setup HTTPS as their default protocol. We found that 67% of top WordPress sites have implemented HTTPS as default, while only 25% of low-trafficked sites have.