METHOD AND SYSTEM PROTECTING DATA IN STORAGE DEVICE AGAINST COMPUTER VIRUSES

摘要

The present invention provides a protection that protects resources in storage device against computer viruses. Storage device are used to store or retrieve data by computer but computer viruses access the resource in the storage device and even damage data. This invention embedded in controller of storage device, main system or operating system probes write operation to storage device and determines whether legitimate or illegitimate operation. Privileged signal is used to authorize some operations is only derived from keyboard stroke or other switch device not from process. Gate system forwards data to be written to storage device if the proposed operation was legitimate otherwise the data is not forwarded.