Securing IP design data is critical. It's rather like saying that it's a good idea to have security in the Tower of London to stop the crown jewels being stolen. IP blocks are the crown jewels of an SoC company. Paul McLellan of SemiWiki describes the importance of securing design data in his latest blog titled "Threat Detection: How to Keep the Crown Jewels Secure." You can read all about it here.
You can also read our related white paper titled "Threat Detection through Big Data Analytics - A Proactive Approach to Securing SoC IP Design Data."