3. Infrastructure Attacks Gain Ground
Attackers launched Layer 3 and Layer 4 attacks against bandwidth capacity and routing infrastructure over application layer attacks, Prolexic said. The firm said infrastructure attacks increased 3.6 percent in the first quarter of 2013 compared to the previous quarter. The infrastructure attacks accounted for 76.5 percent of total attacks during the quarter. The firm said March was a particularly troublesome month, accounting for 44 percent of the quarter's attacks.