US Patent Issued to Dell Products on Jan. 13 for "Reversing symmetric encryptions using keys found in snapshots-per-file keys, hashes of hashes" (Israeli Inventors)

ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,526,152, issued on Jan. 13, was assigned to Dell Products LP (Round Rock, Texas).

"Reversing symmetric encryptions using keys found in snapshots-per-file keys, hashes of hashes" was invented by Ofir Ezrielev (Be'er Sheba, Israel), Yehiel Zohar (Sderot, Israel), Yevgeni Gehtman (Modi'in, Israel), Tomer Shachar (Beer-Sheva, Israel) and Maxim Balin (Gan-Yavne, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "One example method includes taking snapshots of a ransomware process, obtaining, from the snapshots, a key sequence that comprises a subset of keys used by the ransomware process to encrypt data, hashing one of the keys of the subset of keys to ge...