New brute-force attacks delivered against WordPress websites leverage the XML-RPC protocol and the wp.getUsersBlogs function, it has been revealed. XML-RPC is a remote procedure call protocol that relies on Extensible Markup Language (XML) for call encoding and on HTTP for transporting. Daniel Cid, CTO at Sucuri, a company that offers services for preserving the integrity of a website, says that this type of attacks have increased lately, because using XML-RPC works faster and the attempts a…