Cyber risk insurers say back data has reached critical mass

Insurers can now sharpen forecasts and improve policies against cyber crime

For the first time since the emergence of widespread cyber crime, insurers say they have enough data on past attacks for a step-change improvement in insurance policies.

The majority of the information comes from the US, where most companies are required to notify affected customers of cyber breaches. European firms are far less open, although similar disclosure legislation may come into force as soon as next year.

"We finally have enough actuarial data where we can start to put together