Cisco Umbrella Blog

Research

Big Data Driven Security with Splunk

On the trail of malicious dynamic DNS domains

Why we love Apache Pig

A look at the relationship between parked domains and malware

An intimate look at APT1, China's Cyber-Espionage Threat

The role of country code top-level domains (ccTLDs) in malware classification

“Blackhole” Exploit Kit DGA Analysis

The phish that almost duped PhishTank. Almost.