Terrorism risk modeling methods have been continually updated since leading modeling companies AIR Worldwide and Risk Management Solutions released their first terrorism models in 2002. Quantifying the economic, insured and human losses from terrorist attacks poses major challenges for insurers, reinsurers and alternative capacity providers.
Marsh's 2018 Terrorism Risk Insurance Report, produced with support from Guy Carpenter, explores the state of the terrorism insurance marketplace, presenting data on purchasing and pricing trends.