A blanket bond is a type of fidelity bond that protects an organization against financial losses caused by dishonest or fraudulent acts committed by any of its employees, covering the entire workforce under a single policy rather than naming specific individuals. Financial institutions including banks, credit unions, broker-dealers, and securities firms are the most common purchasers, and many are legally required to hold blanket bond coverage as a condition of operation.
Think of it as a theft insurance policy written for the entire staff at once: anyone who steals from the organization is covered, not just the people you specifically worried about when you bought the policy.
Coverage under a blanket bond focuses on direct financial losses from internal misconduct. Standard protection includes employee dishonesty and embezzlement, forgery or alteration of instruments, computer and electronic crime, theft of securities or currency, and losses from check kiting schemes. Policy limits range from $5,000 to more than $10 million depending on the institution's size and exposure.
Extensions and endorsements can add coverage for rewards paid to informants, debit card fraud, safe deposit box losses, ATM-related crimes, and claim preparation expenses including legal fees. Because blanket bonds are heavily customizable, the specific coverage depends entirely on what has been negotiated into the policy.
A specific position bond names a particular employee or role and covers only acts by that person. A blanket bond covers all employees by definition, which simplifies administration considerably for larger organizations. The trade-off is that blanket bonds cost more in aggregate, because the insurer is taking on exposure to every employee rather than just the highest-risk positions.
Smaller organizations sometimes use specific bonds for cashiers, accountants, or executives who handle significant assets. Larger financial institutions almost always use blanket coverage because the administrative burden of identifying and individually bonding every employee who touches money or securities would be unmanageable.
Banks, credit unions, broker-dealers, and other regulated financial entities typically must obtain blanket bond coverage as a regulatory condition. Under NCUA regulations, federally insured credit unions must maintain minimum fidelity bond coverage in amounts prescribed by the NCUA Board. FINRA-registered broker-dealers must hold blanket fidelity bonds under specific financial institution bond forms standardized by the Surety and Fidelity Association of America.
These requirements exist because the financial harm from employee dishonesty at institutions handling public deposits or client assets can extend far beyond the institution itself. Bonding requirements ensure there is a funded mechanism to compensate for those losses.
Sources:
https://en.wikipedia.org/wiki/Fidelity_bond
https://www.nfp.com/risk-capital/coverage-expertise/commercial-and-contract-surety/surety/bonds-types/blanket-bond/
https://publishedguides.ncua.gov/examiner/Content/ExaminersGuide/FidelityBondCoverage/Intro.htm
https://www.hunton.com/insights/legal/bankers-bond-insurance-key-coverage-issues-for-financial-institutions-to-consider