Recently, the news of a “lost” prototype of the new Apple iPhone graced the covers of many prominent news publications (for example, CNN) . Could this be the design for the next model that most think will be revealed next month? Notice, the reports said, the new case design, the forward facing camera and the improved display. Apple must be dismayed that the revealed information. How would this information affect Apple’s competitors? Would not the early disclosure help them? Perhaps these competitors could alter their marketing messages, revamp their own products and initiate counter-measures in May (rather than after the official announcement).

A casual perusal of many websites such as Gizmondo and Engadget highlights many similar leaks. These sites routinely report pre-launch information about new products. Sometimes the information sources are clear. In many cases, the sources are unnamed. Sometimes the information is detailed. Often, the details are sketchy.

How should competitive intelligence people deal with leaks?

Here are five important principles and cautions.