Everything You Need to Know About Fiduciary Insurance Insurance by Steffy Alen - August 24, 20220 Fiduciary insurance is a type of insurance that protects the assets of trusts, estates, and other fiduciaries. Fiduciary insurance typically covers several aspects of the business, including liability, fiduciary breach, data loss, and cyber liability. The main purpose of fiduciary insurance is to protect the assets of the trust or estate.