Exam CV0-003 topic 1 question 68 discussion

Answer is HIDS cloud IaaS instance aka a host or node or vm.

I am going with A because it says potential attacks. HIDS is detection of current attack.

Network flows provide the most comprehensive and detailed information about potential attacks on a cloud IaaS instance. By analyzing network traffic patterns, anomalies, and deviations from normal behavior, a system administrator can identify potential threats such as port scans, DDoS attacks, and unauthorized access attempts.

HIDS monitors activity on individual hosts, including file system changes, log entries, and system calls, to detect and respond to potential security threats. It can provide valuable insights into attacks targeting specific hosts within the IaaS environment. And, the question does not explicitly refer to network-related information, HIDS would be the correct answer. Not A: Network flows.

Absolutely HIDS. You CAN use network flows in some cases, but that's not it's purpose. It's a HIDS's purpose.

HIDS. Chatgpt says network flow but HIDS is specifically for the host it is installed and the question is talking about 1 specific instance. Option D, Host-Based Intrusion Detection System (HIDS), is indeed an important security tool, but it primarily focuses on monitoring activities and events at the host or individual instance level. While it can provide valuable information about potential attacks or anomalies occurring on a specific system, it may not offer as comprehensive information about attacks on a cloud IaaS instance as network flow analysis does.

"Intrusion Detection/Intrusion Prevention System (IDS/IPS)" would provide a systems administrator with the MOST information about potential attacks on a cloud Infrastructure as a Service (IaaS) instance. (Copied from ChatGPT)

My answer goes for HIDS (D) - HIDS is designed to monitor and analyze activities and events occurring on a specific host or server. To provide valuable information about potential attacks by analyzing system logs, detecting unauthorized access attempts, identifying unusual or suspicious behavior, and raising alerts for known attack patterns or signatures. It can help the administrator identify and respond to security incidents promptly, protecting the cloud IaaS instance and its resources. However, choice for network flows only focuses on monitoring network traffic and analyzing network flows for anomalies. While network flow monitoring can provide insights into network activity, it may not provide comprehensive information about potential attacks targeting the IaaS instance itself.

A. Network flows. Network flows provide the most information about potential attacks on a cloud IaaS instance because they capture all traffic between the instance and the network, including both inbound and outbound traffic. Network flows provide insights into network behavior, such as communication patterns, traffic volume, and protocols used. This information can be used to detect anomalies, such as a sudden increase in traffic or traffic from unexpected sources, which could indicate a potential attack.

It says IAAS instance. HIDS is the correct answer.

Answer is HIDS

HIDS is more PaaS and just alerts to potential threats, Network Flows gives the most information for IaaS.