Sombody needs that right into their face. Sometime repeatedly.
threat actor = someone who wants to punch you in the facefrom the tweet
threat = the punch being thrown
vulnerability = your inability to defend against the punch
risk = the likelihood of getting punched in the face
acceptable risk = your willingness to be punched in the face
risk management = your ability to see the punch coming
Also, Ricki Burke made the original Authors Casey Ellis tweet into T-Shirts: