1. A security infrastructure for a network of individual computer resources wherein each individual computer resource in the network of individual computer resources has an independent operating system which includes a portion of the operating system for supporting applications running in the user space of the independent operating system and a portion of the operating system, which is invisible to the user, for operating the individual computer resource and is resident in the kernel space of the independent operating system, said security infrastructure comprising: a computer code set constructed and arranged for loading into the kernel space of the independent operating system of each computer resource in the network of computer resources; said computer code set including means for identifying and preventing attempts to insert computer instructions into the kernel space and/or through the kernel space into one or more user spaces from either within or without the network of individual computer resources which computer instructions would alter the operation of the independent operating system of each computer resource in the network of computer resources; security manager means in secure communication with said computer code set for monitoring the security of the operating system of each individual computer resource in the network of computer resources.