NETWORK SECURITY CORP <NTWK> YEAR NET Shr 1.24 dlrs vs 19 cts Shr diluted 1.11 dlrs vs 19 cts Net 11.9 mln vs 1,830,000 Revs 79.3 mln vs 46.1 mln NOTE: 1986 net includes pretax charge 8,300,000 dlrs from increases and reserves and writeoffs of low-yielding assets and pretax gain 20.8 mln dlrs from sale of Multi-Family subsidiary. Another 3,800,000 dlrs of gain from the Multi-Family sale will be recognized in 1987 if Multi-Family meets targeted operating results.