Two-thirds of total data records compromised in 2017 were the result of inadvertent insiders. Insider breaches are among the costliest and hardest to detect of all data breaches. Insider threats are the cause of 60 percent of cyberattacks. Insider Collusion with malicious external threat actors is the rarest form of criminal insider risk, but its still a significant threat due to the increased frequency of attempts by professional cybercriminals to recruit employees via the dark web. A thorough understanding of the five distinct categories of insider risk is essential for security teams to develop comprehensive safeguards.”]