Electronic data processing security system and method

Details Electronic data processing security system and method Electronic data processing security system and method

1973-12-12

1976-01-06

Malzahn, David H.

Registers

Transfer mechanism

Traveling pawl

235153A, 3401725, G06F 900, G06F 1100

Patent

active

039315045

ABSTRACT:
A system and method for controlling the security of data in a central high speed data processing unit (CPU) by electronically sensing and comparing all operating or control statements coming into the CPU from terminal devices with a vocabulary of all statements unacceptable for security reasons which unacceptable statements are stored in a remote secondary computer system. The security of the data is also controlled by electronically sensing and comparing all operating and problem steps loaded into the CPU from library devices with a collection of identifiers known to identify all correct versions. The reaction to security dangers found in either sensing and comparing method is to exert predetermined counteraction to preclude unauthorized removal, alteration, destruction or inspection of problem data and/or procedures.
The system includes a plurality of sensors which monitor operating control statements, operating and problem steps or procedures and physical switches on the CPU control panel. The remote secondary computer analyzes the sensor output and responds by a predetermined counteraction which includes initiating an alarm and descriptive printout at a remote location and indicating the source and severity of any security violation. Further, the secondary computer may interrupt the CPU and drain any illegal control statements and prevent the loading of the operating process and problem steps.

REFERENCES:
patent: 3368207 (1968-02-01), Beausoleil et al.
patent: 3566362 (1971-02-01), Taylor
patent: 3573855 (1971-04-01), Cragon
patent: 3745316 (1973-07-01), Olah
patent: R27251 (1971-12-01), Amdahl et al.
D. K. Patrick, "File-Organized Security in a Real Time System", IBM Tech. Disclosure Bulletin, Sept. 1970, pp. 1030-1031.

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