Some of our customers are reporting “Threat Alerts” from Mimecast stating hackers have exploited KnowBe4 or KnowBe4 domains to send email threats.
Some of our customers are reporting “Threat Alerts” from Mimecast stating hackers have exploited KnowBe4 or KnowBe4 domains to send email threats.

Source: KnowBe4
Source Link: https://blog.knowbe4.com/no-knowbe4-is-not-being-exploited