Securing a computer against undesired write operations to or rea

Details Securing a computer against undesired write operations to or rea Securing a computer against undesired write operations to or rea

1989-08-31

1992-09-01

Tarcza, Thomas H.

Cryptography

Cryptanalysis

380 25, H04L 900

Patent

active

051446600

ABSTRACT:
A 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.

REFERENCES:
patent: 4926476 (1990-05-01), Covey
patent: 4947318 (1990-08-01), Mineo
patent: 4962533 (1990-10-01), Krueger et al.
patent: 4984272 (1991-01-01), McIlroy

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