[Retracted] Research on Network Security Situational Awareness Based on Crawler Algorithm

Table 1

Specific classification of network security incidents.

Unwanted program event (MI)	Cyber-attack incident (NAI)
Computer virus incident (CVI)	Denial-of-service attack (DOSAI)
Worm event (WI)	Backdoor attack (BDAI)
Trojan Horse incident (THI)	Vulnerability attack event (VAI)
Botnet incident (BI)	Network scanning eavesdropping (NSEI)
Hybrid attack program incident (BAI)	Phishing incident (PI)
Web page embedded malicious code event (WBPI)	Disturbance event (II)
Other unwanted program events (OMI)	Other cyber-attack incidents (ONAI)