Cyber-Insurance is a relatively new product in the insurance market and is non-standardized. Retroactive coverage for losses that arise from undiscovered breaches that occurred before a policy purchase. Having the ability to select the breach response vendors and legal representation an organization wants. Having a retroactive date within a cyber-insurance policy means it extends back several years to cover the costs of breaches that may have occurred at a previous date but weren’t discovered until after the policy was purchased. Having coverage extends to incidents that stem from employee-owned devices.”]
Source: https://www.inforisktoday.com/buying-cyber-insurance-5-tips-a-7250