The routing system plays a fundamental role in the operation of the Internet and its security is of critical importance to the digital security of communication networks. However, there are many examples of accidental and intentional routing disruptions and security breaches that disrupt the Internet and impact networks’ digital security. This report analyses available data to quantify the scope and scale of routing incidents occurring on the global Internet, presents some of the available security techniques to limit these incidents and considers their effectiveness. While the routing system transcends national borders, the report offers policy makers a series of concrete actions to improve routing security.