How this open source security tool halted significant DDoS attacks
In 2020, our ways of living and working were turned completely upside down in a matter of days. As COVID-19 began to spread across the globe, we brought our companies home, and staying connected to our colleagues, friends, and family online became a critical necessity. This opened the door for hackers to cause disruption; for example, distributed denial of service (DDoS) attacks around the world were up 151% in the first half of the year, according to Neustar.
CrowdSec is an open source security engine that analyzes visitor behavior and provides an adapted response to all kinds of attacks. It parses logs from any source and applies heuristic scenarios to identify aggressive behavior and protect against most attack classes. It then shares that intelligence with other CrowdSec installations; every time an internet protocol (IP) address is blocked, it informs the entire user community. This creates a real-time, collaborative IP reputation database that leverages the crowd's power to make the internet safer.
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