Malicious message detection and processing systems and methods are provided herein. According to some embodiments, the messages are emails and the method for processing emails may be facilitated by way of an intermediary node which may be cloud-based. The intermediary node may be communicatively couplable with an email client and an email server. The intermediary node may execute a method that includes analyzing a link included in an email to determine if the link is associated with a potentially malicious resource, and replacing the link with an alternate link to a trusted resource if the link is associated with a potentially malicious resource.