WordPress is by far the most popular content management system (CMS) on the Internet, but many administrators forget to update the software or use vulnerable plug-ins, allowing millions of websites are at risk of being taken over. The Danish security Heimdal Security warns that the looks of hacked WordPress websites that distribute ransomware on the rise.
The websites are malicious code placed that visitors unnoticed to a page with the Neutrino-exploitkit. This exploitkit uses known vulnerabilities in Adobe Flash Player, Adobe Reader and Internet Explorer users have not patched. In case the attack is successful, the Tesla Crypt-ransomware placed on the computer, mainly computer games-related data encrypted. Next, there to decrypt the files to be paid.
According to figures from W3Techs is WordPress by 24.4% of all websites on the Internet use. The latest WordPress version 4. This version is used by 79.9% of WordPress sites. 20.1% running on WordPress version 3 or older. The latest version of WordPress 3 appeared on November 20, 2014 and fixed it several security vulnerabilities. Also, version 4 have been different versions appeared, in part because of vulnerabilities.
In the 79.9% which WordPress uses 4 can therefore which users are still running a vulnerable version. Each month WordPress websites are 409 million people read. According Heimdal Security is therefore important that WordPress administrators to install available updates, both for their own website as the safety of their visitors.
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