Email has become one of the most common and successful attack vectors for cybercriminals. The combination of new threats and the need for enhanced protection is driving the adoption of cloud-based secure email gateways (SEGs), including email itself, are moving to the cloud. The best, cloud-based SEGs provide multiple forms and layers of protection against email-borne threats. They also protect against data exfiltration and domain spoofing, analyze URLs and file attachments, deliver threat intelligence, and much more. Given how many attacks are email-based, cloud-based SEGs are a key foundational component of a strong cyber defense. To help you become more informed and to help organizations choose the best SEG, this buyer’s guide will detail the ten most important capabilities organizations should seek in a solution.