This essay critically analyzes cocooning as a crime prevention strategy against residential burglary in Australia, drawing upon rational choice theory. It defines cocooning as a method of self-isolation and enhanced security through technology to deter external threats. The essay explains rational choice theory, highlighting its focus on individual behavior and rational decision-making in crime prevention. It discusses how this theory informs cocooning by encouraging residents to adopt security measures, thereby altering potential burglars' risk-benefit analysis. The essay evaluates the effectiveness of cocooning, citing data on reduced burglary rates, and concludes that it is a successful strategy in preventing repeat residential burglary by increasing perceived risk for offenders.