Host Based Intrusion Detection: Boosting Security on Your System

The Most Effective Measures for Host Based Intrusion Detection

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Question

Which of the following would assist the most in Host Based intrusion detection?

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Explanations

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A. B. C. D.

A.

To assist in Intrusion Detection you would review audit logs for access violations.

The following answers are incorrect: access control lists.

This is incorrect because access control lists determine who has access to what but do not detect intrusions.

security clearances.

This is incorrect because security clearances determine who has access to what but do not detect intrusions.

host-based authentication.

This is incorrect because host-based authentication determine who have been authenticated to the system but do not dectect intrusions.

Host-based intrusion detection systems (HIDS) are designed to monitor and analyze activity on individual computer systems to detect potential security breaches. They rely on various methods and technologies to identify and alert administrators of suspicious behavior, such as unauthorized access, system changes, or malware infections.

Of the given options, audit trails would assist the most in host-based intrusion detection. Audit trails are a record of events that occur on a computer system, including user activity, system events, and application activity. These logs can be used to monitor and analyze activity on a host system to detect potential security breaches.

Audit trails can help to identify unauthorized access attempts, system changes, or other suspicious activities that might indicate a potential security breach. By reviewing audit logs regularly, administrators can proactively identify and respond to potential security threats before they cause significant damage.

Access control lists (ACLs) are used to manage permissions and control access to resources on a computer system. While ACLs are essential for security, they do not necessarily assist in host-based intrusion detection directly.

Security clearances are typically used in physical security contexts to control access to secure areas. While security clearances are an essential component of an overall security strategy, they do not directly contribute to host-based intrusion detection.

Host-based authentication is a method of verifying the identity of users or applications accessing a computer system. While authentication is an essential component of host security, it does not directly contribute to host-based intrusion detection.

In summary, of the given options, audit trails are the most useful for host-based intrusion detection as they provide detailed logs of activity on a computer system that can be used to identify potential security breaches.