Sharing core information about your products with subcontractors require trust. If their device security is not up to date, there is a strong possibility that this core information is unintentionally leaked.
Do not take for granted that persons providing professional services are security conscious. Accountants, solicitors, and consultants carry an abundance of your information on their devices. Ensure can have you check if these devices are secure.
Many areas in thisa field has not traditionally a high IT saturation. This may result in employees using their private devices for work related information exchange. Devices which security stance is not checked.