Securing a computer against undesired write operations to or read operations from a mass storage device
US5144660A · kind A · utility
226Cited by
4References
8Claims
0Family size
Inventor
Key dates
| Filing date | Aug 31, 1989 |
| Grant date | Sep 1, 1992 |
| Priority date | — |
| Expiry date | Aug 31, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2201/88
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.