One of the great things about a conference like BlackHat is that it gives people like me the opportunity to take a step back, get out of the specific back alleyways of cybersecurity that we usually inhabit, and take a broader, more holistic look at attack and defense. One concept that's been talked about for a while is the Cyber Kill Chain. It takes a military-theoretical approach to network asset...

The Benefits of Monitor Mode When a technology exists that can tell you if and when your domains are being spoofed (and by who), why would you not use it?! What is DMARC? DMARC was created to address some fundamental problems with existing email authentication technologies (SPF and DKIM). It provides feedback about your email authentication implementation and gives ISPs (Google, Yahoo!, Microsoft...