e/High watermark (computer security)

Information
has gloss	eng: High-water mark was introduced in Clark Weissmann's Security controls in the ADEPT-50 timesharing system published in the AFIPS Conference Proceedings, volume 35, pages 119—133. FJCC, 1969. It pre-dates the Bell-La Padula security model, whose first volume appeared in 1972.
lexicalization	eng: High watermark
lexicalization	eng: high-water mark
instance of	c/Computer security models