There are network log sources that can provide CSIRT personnel and incident responders with good information. Each network device provides a different evidence based upon its manufacturer and model. As a preparation task, CSIRT personnel should become familiar with how to access these devices in order to obtain the necessary evidence or should have existing communication structures in place to engage IT personnel to assist with the proper response techniques during an incident.
Network devices such as switches, routers, and firewalls also have their own internal logs that maintain data on who accessed the device and made changes. Incident responders should become familiar with the types of network device on their organization's network and should be able to access these logs in the event of an incident:
- Switches: These are spread throughout...
