Which feature of the Cisco Email Security Appliance can mitigate the impact of snowshoe spam and sophisticated phishing attacks?
A. reputation based filtering
B. signature-based IPS
C. graymail management and filtering
D. contextual analysis
Which feature of the Cisco Email Security Appliance can mitigate the impact of snowshoe spam and sophisticated phishing attacks?
A. reputation based filtering
B. signature-based IPS
C. graymail management and filtering
D. contextual analysis
Snowshoe spam, as mentioned above, is a growing concern as spammers distribute spam attack origination across a broad range of IP addresses in order to evade IP reputation checks. The newest AsyncOS 9 for ESA enables enhanced anti-spam scanning through contextual analysis and enhanced automation, as well as automatic classification, to provide a stronger defense against snowshoe campaigns and phishing attacks.