Redundancy protection has become an important industrial issue in Australia over the past five years. Trade union interest in the question of job security has been heightened by fears that the greater use and application of computer technology will lead to significant reductions in the use of manpower. This article looks at the form and extent of redundancy protection in Australia and the ways in which trade unions have sought to press their claims for greater protection against the labour displacement effects of technological change. It concludes that in general Australian trade unions have met with very little success in establishing even minimum standards of employment security for their members.