Understanding DDoS Attacks: A Comprehensive Guide
ESET, December 11,2025
DDoS attacks are the loud side of cybercrime - designed to flood, crash, and cripple online services. Here's what they are, how they work, and how you can stay protected.
Most cyberattacks are sneaky. They're difficult to spot until the game is up, because attackers don't want their victims to know they are under attack. There are a couple of reasons for this. Attackers want to go undetected until they have what they came for, such as sufficient level of access to launch a ransomware attack. In other cases, it's better for the attacker that the victim never knows they've been hacked in the first place.
Distributed Denial of Service (DDoS) attacks are the opposite of this: They're noisy, obvious, and incredibly destructive. So, what exactly is a DDoS?