anti-spam

August 20, 2014

THREAT RESEARCH

Snowshoe Spam Attack Comes and Goes in a Flurry

This post is co-authored by Jaeson Schultz and Craig Williams. Every so often, we observe certain spam campaigns that catch our interest. On August 15, we observed a particular spam campaign that caught our attention because it was using “snowshoe” spam techniques combined with PDF expl…

July 14, 2014

SECURITY

Big Data: Observing a Phishing Attack Over Years

Overview Phishing attacks use social engineering in an attempt to lure victims to fake websites. The websites could allow the attacker to retrieve sensitive or private information such as usernames, passwords, and credit card details. Attacks of this kind have been around since 1995, evolving in sop…