Cyber Insurance is one of the big growth markets but it is also one of the most unpredictable.

"It doesn't give me a warm and fuzzy feeling"

Christian Mumenthaler Chief Executive Swiss Re

In a similar vein Stephen Hester Chief Executive of RSA was reported to say "We have mixed feelings about cyber insurance. Our job is to protect clients from the things they are worried about but it is incredibly unpredictable".

Unlike other perils there are too few data points to model the risks. Oliver Ralph examines the issues in the FT article linked below