Detection of unauthorized encryption using key length evaluation

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United States of America Patent

PATENT NO 11496284
SERIAL NO

17083423

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Abstract

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Techniques are provided for detection of unauthorized encryption in a storage system using key length evaluation. One method comprises determining a key length of an encryption key used to encrypt data associated with one or more write commands in a storage system; evaluating the key length relative to an expected key length; and performing one or more automated remedial actions, such as generating an alert notification, in response to the key length being different than the expected key length. A count of a number of write operations in a given folder can be compared to a number of files in the given folder and an alert notification can be generated in response to the count of the number of write operations in the given folder having a same value as the number of files in the given folder.

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Patent Owner(s)

  • EMC IP HOLDING COMPANY LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Balin, Maxim Gan Yavne, IL 41 16
Gehtman, Yevgeni Modi'In, IL 50 28
Shachar, Tomer Omer, IL 48 16

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