Time and again, hackers infect other people’s computers as well as routers or other network devices in order to misuse them for their botnet. What’s a botnet, you ask? Simply put, it’s a collection of computers and other devices that have been infected with malware. From such a botnet, cybercriminals launch attacks on websites or servers. For example, DDoS attacks or they send spam and phishing emails.

The owners of the hijacked computers and network devices are unaware of this unless they check the traffic coming from their machines. However, this requires experience in using network analysis tools such as Wireshark or Nmap. But there is an easier way that doesn’t require any prior technical knowledge.

The security company GreyNoise has provided a free online tool called GreyNoise IP

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