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Index based ransomware categorization

Grant US12580956B2 Kind: B2 Mar 17, 2026

Assignee

British Telecommunications Public Limited Company

Inventors

George Kallos, Fadi Ali El-Moussa

Abstract

A computer implemented method of identifying a ransomware algorithm, the ransomware algorithm having associated a predetermined responsive action for mitigating the effect of the ransomware algorithm in use, the method including exposing a target computer system to the ransomware algorithm, the target computer system containing a predetermined set of sample data stored therein that is encrypted by the ransomware algorithm using a searchable encryption algorithm; intercepting an index of the searchable encryption algorithm; training an autoencoder based on the index to provide a trained autoencoder adapted to identify the ransomware algorithm based on the index.

CPC Classifications

H04L 63/1466 G06N 20/00 G06N 5/02 G06N 3/088 G06F 21/50 G06F 21/52 G06F 21/53

Filing Date

2019-09-12

Application No.

16569043

Claims

10