Describe the fields in these protocol headers as they relate to intrusion analysis: Ethernet frame, IPv4, IPv6, TCP, UDP, ICMP, HTTP Implementing Cisco Cybersecurity Operations (210-255) Ethernet Frames Public Domain, Link The biggest thing for the Ethernet frame is to be able to identify the source and destination MAC address. Often you will be looking […]
Interpret basic regular expressions Implementing Cisco Cybersecurity Operations (210-255) Regular expressions are very useful to security analysts when analyzing logs and other security artifacts. There are several standard regular expression operators that you should understand for the CCNA CyberOps curriculum. Operator Description [] Match any of the characters in the brackets {#} Repeat match # […]
Describe the role of attribution in an investigation Implementing Cisco Cybersecurity Operations (210-255) Assets: Any data, device or other aspects of the environment that supports information systems. Threat Actor: The person or group responsible for an attack on an asset.
Compare and contrast two types of image Implementing Cisco Cybersecurity Operations (210-255) Disk Images There are two types of disk images when dealing with forensic evidence. Unaltered images can be compared to the original using a hash like MD5 or SHA256 and will return the same hash as the original. Altered images have been tampered […]
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