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NEW QUESTION # 61
Which of the following represents the correct relation of alerts to incidents?
Answer: A
Explanation:
The correct relation of alerts to incidents is that alerts with same causality chains that occur within a given time frame are grouped together into an incident. A causality chain is a sequence of events that are related to the same malicious activity, such as a malware infection, a lateral movement, or a data exfiltration. Cortex XDR uses a set of rules that take into account different attributes of the alerts, such as the alert source, type, and time period, to determine if they belong to the same causality chain. By grouping related alerts into incidents, Cortex XDR reduces the number of individual events to review and provides a complete picture of the attack with rich investigative details1.
Option A is incorrect, because alerts with the same host are not necessarily grouped together into one incident in a given time frame. Alerts with the same host may belong to different causality chains, or may be unrelated to any malicious activity. For example, if a host has a malware infection and a network anomaly, these alerts may not be grouped into the same incident, unless they are part of the same attack.
Option B is incorrect, because alerts that occur within a three hour time frame are not always grouped together into one incident. The time frame is not the only criterion for grouping alerts into incidents. Alerts that occur within a three hour time frame may belong to different causality chains, or may be unrelated to any malicious activity. For example, if a host has a file download and a registry modification within a three hour time frame, these alerts may not be grouped into the same incident, unless they are part of the same attack.
Option D is incorrect, because every alert does not create a new incident. Creating a new incident for every alert would result in alert fatigue and inefficient investigations. Cortex XDR aims to reduce the number of incidents by grouping related alerts into one incident, based on their causality chains and other attributes.
Reference:
Palo Alto Networks Certified Detection and Remediation Analyst (PCDRA) Study Guide, page 9 Palo Alto Networks Cortex XDR Documentation, Incident Management Overview2 Cortex XDR: Stop Breaches with AI-Powered Cybersecurity1
NEW QUESTION # 62
Which minimum Cortex XDR agent version is required for Kubernetes Cluster?
Answer: B
Explanation:
The minimum Cortex XDR agent version required for Kubernetes Cluster is Cortex XDR 7.5. This version introduces the Cortex XDR agent for Kubernetes hosts, which provides protection and visibility for Linux hosts that run on Kubernetes clusters. The Cortex XDR agent for Kubernetes hosts supports the following features:
Anti-malware protection
Behavioral threat protection
Exploit protection
File integrity monitoring
Network security
Audit and remediation
Live terminal
To install the Cortex XDR agent for Kubernetes hosts, you need to deploy the Cortex XDR agent as a DaemonSet on your Kubernetes cluster. You also need to configure the agent settings profile and the agent installer in the Cortex XDR management console. Reference:
Cortex XDR Agent Release Notes: This document provides the release notes for Cortex XDR agent versions, including the new features, enhancements, and resolved issues.
Install the Cortex XDR Agent for Kubernetes Hosts: This document explains how to install and configure the Cortex XDR agent for Kubernetes hosts using the Cortex XDR management console and the Kubernetes command-line tool.
NEW QUESTION # 63
Cortex XDR Analytics can alert when detecting activity matching the following MITRE ATT&CKTM techniques.
Answer: B
Explanation:
Cortex XDR Analytics is a feature of Cortex XDR that leverages machine learning and behavioral analytics to detect and alert on malicious activity across the network and endpoint layers. Cortex XDR Analytics can alert when detecting activity matching the following MITRE ATT&CKTM techniques: Exfiltration, Command and Control, Lateral Movement, Execution, Persistence, Privilege Escalation, Defense Evasion, Credential Access, Discovery, and Collection. However, among the options given in the question, the correct answer is D, Exfiltration, Command and Control, Lateral Movement. These are three of the most critical techniques that indicate an advanced and persistent threat (APT) in the environment. Exfiltration refers to the technique of transferring data or information from the compromised system or network to an external location controlled by the adversary. Command and Control refers to the technique of communicating with the compromised system or network to provide instructions, receive data, or update malware. Lateral Movement refers to the technique of moving from one system or network to another within the same environment, usually to gain access to more resources or data. Cortex XDR Analytics can alert on these techniques by analyzing various data sources, such as network traffic, firewall logs, endpoint events, and threat intelligence, and applying behavioral models, anomaly detection, and correlation rules. Cortex XDR Analytics can also map the alerts to the corresponding MITRE ATT&CKTM techniques and provide additional context and visibility into the attack chain1234 Reference:
Cortex XDR Analytics
MITRE ATT&CKTM
Cortex XDR Analytics MITRE ATT&CKTM Techniques
Cortex XDR Analytics Alert Categories
NEW QUESTION # 64
What functionality of the Broker VM would you use to ingest third-party firewall logs to the Cortex Data Lake?
Answer: D
Explanation:
The Broker VM is a virtual machine that acts as a data broker between third-party data sources and the Cortex Data Lake. It can ingest different types of data, such as syslog, netflow, database, and pathfinder. The Syslog Collector functionality of the Broker VM allows it to receive syslog messages from third-party devices, such as firewalls, routers, switches, and servers, and forward them to the Cortex Data Lake. The Syslog Collector can be configured to filter, parse, and enrich the syslog messages before sending them to the Cortex Data Lake. The Syslog Collector can also be used to ingest logs from third-party firewall vendors, such as Cisco, Fortinet, and Check Point, to the Cortex Data Lake. This enables Cortex XDR to analyze the firewall logs and provide visibility and threat detection across the network perimeter. Reference:
Cortex XDR Data Broker VM
Syslog Collector
Supported Third-Party Firewall Vendors
NEW QUESTION # 65
When using the "File Search and Destroy" feature, which of the following search hash type is supported?
Answer: C
Explanation:
The File Search and Destroy feature is a capability of Cortex XDR that allows you to search for and delete malicious or unwanted files across your endpoints. You can use this feature to quickly respond to incidents, remediate threats, and enforce compliance policies. To use the File Search and Destroy feature, you need to specify the file name and the file hash of the file you want to search for and delete. The file hash is a unique identifier of the file that is generated by a cryptographic hash function. The file hash ensures that you are targeting the exact file you want, and not a file with a similar name or a different version. The File Search and Destroy feature supports the SHA256 hash type, which is a secure hash algorithm that produces a 256-bit (32-byte) hash value. The SHA256 hash type is widely used for file integrity verification and digital signatures. The File Search and Destroy feature does not support other hash types, such as AES256, MD5, or SHA1, which are either encryption algorithms or less secure hash algorithms. Therefore, the correct answer is A, SHA256 hash of the file1234 Reference:
File Search and Destroy
What is a File Hash?
SHA-2 - Wikipedia
When using the "File Search and Destroy" feature, which of the following search hash type is supported?
NEW QUESTION # 66
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