DoS vs DDoS Attacks: Understanding the Differences
DoS (Denial-of-Service) Attacks
A DoS attack aims to flood a target server with excessive traffic, overwhelming its resources and rendering it inaccessible to legitimate users.
Characteristics of DoS Attacks
- Originate from a single source IP address
- Target specific resources, such as websites or servers
- Involve a relatively small number of attackers
DDoS (Distributed Denial-of-Service) Attacks
A DDoS attack is a more sophisticated form of DoS attack that involves a large number of compromised devices called a botnet. These devices are used to simultaneously bombard the target with traffic.
Characteristics of DDoS Attacks
- Originate from multiple source IP addresses
- Target a wide range of resources
- Involve a large number of attackers using botnets
Comparative Differences
| Characteristic | DoS Attack | DDoS Attack |
|---|---|---|
| Source | Single IP address | Multiple IP addresses (botnet) |
| Volume | Relatively small | Massively high |
| Complexity | Less sophisticated | Highly sophisticated |
Impact and Mitigation
DoS and DDoS attacks can cripple an organization's operations and reputation. Mitigation strategies include:
- Implementing firewalls and intrusion detection systems
- Using web application firewalls
- Employing DDoS mitigation services
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