...in the Wall Network Box examines how simple mistakes result in data being regularly routed incorrectly by IT teams, leavingholes in network security. The paper investigates some of the most common errors made, and gives advice on how to prevent...
http://www.securitypark.co.uk/security_article263721.html
...use case models often contradict each other. It is also easy to overlook areas where the use case should be used, leavingholes in the requirements. Large projects benefit from a more global model to help avoid overlap and ensure the use case...
http://www.bangalore.com/bpm4.pdf