Method and apparatus for secure execution of untrusted software
Data processing security system for automatically transferring software protection data from removable store into internal memory upon mounting of stores
Data protection for computer systems
Secure file handling in a computer operating system Patent #: 4984272
ApplicationNo. 401032 filed on 08/31/1989
US Classes:713/188COMPUTER VIRUS DETECTION BY CRYPTOGRAPHY
ExaminersPrimary: Tarcza, Thomas H.
Assistant: Cain, David
Attorney, Agent or Firm
Foreign Patent References
International ClassH04L 009/00
Foreign Application Priority Data1988-08-31 ZA
AbstractA method of protecting a computer against "trojan" or "virus" programs is disclosed. A device 24 is connected in the bus between the disk controller card 16 and the disk drive 14 of the computer. The device monitors the bus and alerts the user when any illegitimate write attempts to a protected area of the disk is detected.