A sinkhole is a security mechanism employed in cybersecurity to redirect and isolate malicious traffic, primarily aimed at protecting networks from Distributed Denial of Service (DDoS) attacks and botnets. The main principle behind sinkholes is to create a “black hole” where malicious traffic is directed and monitored, allowing other network operations to run unaffected.

How Sinkholes Work

Types of Sinkholes

There are mainly two types of sinkholes used in cybersecurity: Passive Sinkholes and Active Sinkholes.

Benefits of Sinkholes

Limitations of Sinkholes


Sinkholes are valuable tools in the cybersecurity arsenal, helping to prevent and mitigate the effects of DDoS attacks and botnets. By isolating malicious traffic, they not only minimize the impact of attacks on networks but also provide valuable insights into attack patterns, contributing to the development of more robust cybersecurity measures.