Recently we highlighted one of the most common evasion techniques employed by threat actors in order to keep a phishing site online: geoblocking, or blocking by location. However, many other techniques exist, some that are more subtle and make it more difficult for unwanted visitors to view a site. One such method is used to thwart unintended parties – bots, analysts, hosting providers, etc. – when they are not using the appropriate device: blocking by user-agent.