Domain-based Message Authentication, Reporting, and Conformance (DMARC) has been steadily gaining adoption in the financial, public, healthcare and other sectors as a standard way to prevent email from address spoofing since its publication in 2015. However, misconceptions and high costs often deter organizations from fully deploying DMARC. This talk will explain what DMARC is, how it works, why you should deploy it, best practices/common mistakes, and how DMARC can be deployed without paying another vendor.

Sean Whalen is an Information Security Engineer in the healthcare industry, specializing in process automation, intelligence and malware analysis. Previously, he worked as an intelligence analyst in the defense industry. He has a passion for open source software, and sci-fi.

Back to BSides Columbus Ohio 2019 video list