FIELD: information technologies.
SUBSTANCE: in method and system they bring hypervisor into effect in order to control access to computer system given out for rent. Hypervisor performs the following stages: reading of rent index from nonvolatile holding area, comparison of rent index to rent limit, permission for use of one or more guest operating systems by computer system user in response to rent index being within the frames set by rent limit, and prohibition for use of guest operating systems by use of computer system in response to rent index exceeding rent limit.
EFFECT: protection against unauthorised modifications in case of rent provision.
20 cl, 124 dwg
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