Network infrastructure vulnerabilities are present at every level in the enterprise architecture, and the attacks aimed to exploit these vulnerabilities can be categorized as follows:
- Reconnaissance attacks
- DoS and DDoS attacks
- Traffic attacks
Reconnaissance is a military term that implies scoping the targets before initiating the actual attack. The reconnaissance attack is aimed at the perimeter defense of the network, including the WAN network or edge modules. This includes activities like scanning the topology using techniques that include:
- ICMP scanning
- SNMP scanning
- TCP/UDP port scanning . . .
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