Spear Phishing with Zix: An Undisclosed Red Team Method for the Hungry APT

Background Typically, organizations utilize Zix Secure Messaging as a convenient alternative to Dropbox or other file sharing related tools because it’s easier to share sensitive information with users outside of the organization. Shadow IT has always been a standing issue among large enterprises and the ability to securely share files and communications with vendors, clients, and colleagues is a bridge that most organizations will eventually have to cross. Zix has addressed this issue by offering their secure messaging services, allowing …

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