Compare and contrast an attack surface and vulnerability. Implementing Cisco Cybersecurity Operations (210-255) The attack surface of a piece of hardware or software is the total of all potential attack vectors. An attack vector can be a service or other entry point. To be used in an attack there must be a vulnerability present that […]
5.3 Describe these concepts as they relate to security monitoring Access Control List: ACLs are used to filter traffic based on source and/or destination. Logs created by ACLs can be useful to monitor for certain types of traffic. NAT/PAT: Network Address Translation and Port Address Translation hide internal addresses behind public IP addresses. For security […]
Describe these types of data used in security monitoring: Full packet capture, session data, transaction data, statistical data, extracted content, alert data Understanding Cisco Cybersecurity Fundamentals (210-250) Full Packet Capture Full packet capture data can be very useful in analyzing what occurred on a network. Unfortunately to capture everything is very expensive in terms of […]
Identify the types of data provided by these technologies: TCP Dump, NetFlow, Next-Gen firewall, Traditional stateful firewall, Application visibility and control, web content filtering and email content filtering. Understanding Cisco Cybersecurity Fundamentals (210-250) TCP Dump The application tcpdump is a command line packet capture tool. An example of a packet displayed in the default console […]
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