- Accessed: 15-Oct
Providing security to the network in an open source has become a major challenge nowadays. Data transmitted through the network is not considered to be safe. Various threats like sniffing, spoofing, phishing exist. This paper presents an overview of various network threats and attacks to the network. There are many tools in the open source which are developed as a counter measure to these attacks. Tools like nmap, tcpdump, firewall, wireshark has been discussed in this paper.