Incapsula released their 2013-2014 DDoS Threat Landscape Report. You can view the full report (PDF) to learn about the research methodology, an overview of activity in 2013, and emerging trends in 2014.
The Table of Contents includes:
Introduction
Network DDoS Attacks
– 2013: Overview
– 2014: Emerging Trends
– – Multi-Vector Threats
– – Attack Type Facilities Growth
– – Weapon of Choice
– – NTP DDoS is on the Rise
Application DDoS Attack
– 2013: Overview
– 2014: Emerging Trends
– – Botnet Geo-Locations
– – “Shared Botnets”
– – Bots are Evolving
– – Common Spoofed User-Agents
Looking Forward
Alternatively, you can digest the report in the more eye-catching infographic form.