Denial of Service (DoS) or Distributed Denial of Service (DDoS) is a type of service interruption attack designed to overwhelm a targeted service or network with a flood of connections and activity, similar to a traffic jam.
Look for Early Indicators
Unusual network activity - A sudden increase in network traffic can indicate a DoS attack, causing the network to slow down or become unresponsive.
Unresponsive resources - If normally available resources become unresponsive or slow to load, it could be a sign of a DoS attack.
Flood of requests - A sudden flood of requests to a particular resource can overwhelm it, making it unavailable to legitimate users, which is a possible sign of a DoS attack.
Likelihood and Impact
Distributed DoS attacks use many compromised systems from around the world, often called a ‘botnet’, to generate the attack. Botnets can be made of computers, IoT devices, or any systems that are connected to the internet and capable of connecting to the target system and generating attack traffic.
The distributed nature of the attack can make it difficult to stop, as the sources of the attack are too numerous and geographically diverse to block individually or by the location of origin.
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