Rainbow Technologies Inc.: The Irvine-based computer security...

Rainbow Technologies Inc.: The Irvine-based computer security company posted nearly an 81% jump in net income for 1989, to $1.7 million from $951,000 a year ago. Revenue rose about 87%, to $11.5 million from $6.2 million. For the fourth quarter, net income more than doubled, to $591,000 from $237,000 for the comparable 1988 period. Revenue totaled $3.5 million, contrasted with $1.7 million a year earlier.