Ruby Sleet use of a stolen IT security solutions provider certificate (early 2023)

Date (as written): Microsoft Digital Defense Report 2023
Year: 2023
Actors (as written): Ruby Sleet
Actor pages: Ruby Sleet
Tags (as written): IT security solutions provider

Source entries (1)

Microsoft Digital Defense Report

Ruby Sleet use of a stolen IT security solutions provider certificate (early 2023) · Microsoft Digital Defense Report 2023

In early 2023, Ruby Sleet showed increasing sophistication by utilizing a stolen legitimate certificate of an IT security solutions provider to sign malicious files used to target organizations.

https://www.microsoft.com/content/dam/microsoft/final/en-us/microsoft-brand/documents/MDDR_FINAL_2023_1004.pdf

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