A computer-implemented method and system identifies whether web content stored in a repository deviates from authentic web content being web content that is approved by authorized personnel of the web content prior to serving to a client requesting the web content. Web communications to the repository are monitored and web content is intercepted and analyzed in a safe environment for establishing that the web content conforms to a predetermined standard. If not, a web host serving the web content is alerted. In one embodiment, the web content is intercepted and analyzed prior to serving to the client and is served to the client only if either authenticated or after suitable modification to render it acceptable.