The email security landscape is increasingly shaped by robust protocols for authentication, data protection, and secure communication. Among these, MTA-STS is emerging as a critical standard, strengthening the enforcement of encrypted channels for email delivery. 

This blog will be referencing the ICS/OT Backdoors & Breaches expansion deck created by BHIS and Dragos. We will be reviewing the ICS-focused Initial Compromise cards that are used to simulate a cyber incident and suggest potential mitigations to what is presented.

The post ICS Hard Knocks: Mitigations to Scenarios Found in ICS/OT Backdoors & Breaches appeared first on Black Hills Information Security, Inc..

Patterson Cake // In PART 1 of “Wrangling the M365 UAL,” we talked about the value of the Unified Audit Log (UAL), some of the challenges associated with acquisition, parsing, […]

The post Wrangling the M365 UAL with SOF-ELK on EC2 (Part 2 of 3) appeared first on Black Hills Information Security, Inc..

Patterson Cake // When it comes to M365 audit and investigation, the “Unified Audit Log” (UAL) is your friend. It can be surly, obstinate, and wholly inadequate, but your friend […]

The post Wrangling the M365 UAL with PowerShell and SOF-ELK (Part 1 of 3) appeared first on Black Hills Information Security, Inc..

Jordan Drysdale//* In this blog, we are assuming that we have obtained an access key, a secret key and maybe a .pem key from a network user who left these […]

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