公开(公告)号：US20240143761A1

公开(公告)日：2024-05-02

申请号：US18051110

申请日：2022-10-31

Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

Inventor： Alex Veprinsky ,  Gil Barash ,  Oded Kedem

IPC: G06F21/56 ,  G06F17/18

CPC classification number: G06F21/566 ,  G06F17/18 ,  G06F2221/033

Abstract: Example implementations relate to storing data in a storage system. An example includes accessing a first portion of a data stream to be stored in a storage system; selecting sample data blocks included in the first portion; determining entropy values based on the sample data blocks; selecting, based on the sample data blocks, a entropy threshold from multiple precalculated entropy thresholds; determining whether the generated set of entropy values matches the selected entropy threshold within a probability level; and in response to a determination that the generated set of entropy values matches the selected entropy threshold within the probability level, identifying the first portion of the data stream as potentially including encrypted data affected by a ransomware attack.