pm#security_attribute
  supertype:  pm#attribute_or_quality_or_measure  e.g., mass, mass unit, 1 kg, frequency, [2-3] hz, color, blue, speed, 1 m/s
  subtype:  pm#dependancy_or_information_security_attribute
     subtype:  #accessibility
     subtype:  #safety  a score in American football; a player is tackled behind his own goal line

No statement uses or specializes pm#security_attribute; click here to add one.