[7.9] [Security Solution][Detections] Change from sha1 to sha256 (#73741)#73862

Merged

dplumlee merged 1 commit intoelastic:7.9from dplumlee:backport/7.9/pr-73741

Jul 30, 2020

+88-27

Commits on Jul 30, 2020

[Security Solution][Detections] Change from sha1 to sha256 (elastic#73741 )
dplumlee
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