via pluginvulnerabilities.com => original post link
A short time ago, we looked at how a feature of SiteGround’s recently rebranded WordPress plugin, Security Optimizer, didn’t really provide the advanced protection against cross-site scripting (XSS) promised, or any protection for that matter. While looking in to their response to our findings, we ran across troubling advice that SiteGround is giving. In response to the question of if the plugin is compatible with Wordfence Security, they responded this way:
The Security Optimizer was created both with securing and performance in mind from the start. Running two security plugins will simply slow down your website. [Read more]