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NEW QUESTION # 65
Cortex XDR Analytics can alert when detecting activity matching the following MITRE ATT&CKTM techniques.
Answer: D
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 # 66
What is the purpose of the Cortex Data Lake?
Answer: C
Explanation:
The purpose of the Cortex Data Lake is to provide a cloud-based storage facility where your firewall logs are stored. Cortex Data Lake is a service that collects, transforms, and integrates your enterprise's security data to enable Palo Alto Networks solutions. It powers AI and machine learning, detection accuracy, and app and service innovation. Cortex Data Lake automatically collects, integrates, and normalizes data across your security infrastructure, including your next-generation firewalls, Prisma Access, and Cortex XDR. With unified data, you can run advanced AI and machine learning to radically simplify security operations with apps built on Cortex. Cortex Data Lake is available in multiple regions and supports data residency and privacy requirements. Reference:
Cortex Data Lake - Palo Alto Networks
Cortex Data Lake - Palo Alto Networks
Cortex Data Lake, the technology behind Cortex XDR - Palo Alto Networks CORTEX DATA LAKE - Palo Alto Networks Sizing for Cortex Data Lake Storage - Palo Alto Networks
NEW QUESTION # 67
What is an example of an attack vector for ransomware?
Answer: D
Explanation:
An example of an attack vector for ransomware is phishing emails containing malicious attachments. Phishing is a technique that involves sending fraudulent emails that appear to come from a legitimate source, such as a bank, a company, or a government agency. The emails typically contain a malicious attachment, such as a PDF document, a ZIP archive, or a Microsoft Office document, that contains ransomware or a ransomware downloader. When the recipient opens or downloads the attachment, the ransomware is executed and encrypts the files or data on the victim's system. The attacker then demands a ransom for the decryption key, usually in cryptocurrency.
Phishing emails are one of the most common and effective ways of delivering ransomware, as they can bypass security measures such as firewalls, antivirus software, or URL filtering. Phishing emails can also exploit the human factor, as they can trick the recipient into opening the attachment by using social engineering techniques, such as impersonating a trusted sender, creating a sense of urgency, or appealing to curiosity or greed. Phishing emails can also target specific individuals or organizations, such as executives, employees, or customers, in a technique called spear phishing, which increases the chances of success.
According to various sources, phishing emails are the main vector of ransomware attacks, accounting for more than 90% of all ransomware infections12. Some of the most notorious ransomware campaigns, such as CryptoLocker, Locky, and WannaCry, have used phishing emails as their primary delivery method3 . Therefore, it is essential to educate users on how to recognize and avoid phishing emails, as well as to implement security solutions that can detect and block malicious attachments. Reference:
Top 7 Ransomware Attack Vectors & How to Avoid Becoming a Victim - Bitsight What Is the Main Vector of Ransomware Attacks? A Definitive Guide CryptoLocker Ransomware Information Guide and FAQ
[Locky Ransomware Information, Help Guide, and FAQ]
[WannaCry ransomware attack]
NEW QUESTION # 68
Which of the following represents a common sequence of cyber-attack tactics?
Answer: C
Explanation:
A common sequence of cyber-attack tactics is based on the Cyber Kill Chain model, which describes the stages of a cyber intrusion from the perspective of the attacker. The Cyber Kill Chain model consists of seven phases: reconnaissance, weaponization, delivery, exploitation, installation, command and control, and actions on the objective. These phases are briefly explained below:
Reconnaissance: The attacker gathers information about the target, such as its network, systems, vulnerabilities, employees, and business operations. The attacker may use various methods, such as scanning, phishing, or searching open sources, to collect data that can help them plan the attack.
Weaponization: The attacker creates or obtains a malicious payload, such as malware, exploit, or script, that can be used to compromise the target. The attacker may also embed the payload into a delivery mechanism, such as an email attachment, a web link, or a removable media.
Delivery: The attacker sends or delivers the weaponized payload to the target, either directly or indirectly. The attacker may use various channels, such as email, web, or physical access, to reach the target's network or system.
Exploitation: The attacker exploits a vulnerability or weakness in the target's network or system to execute the payload. The vulnerability may be technical, such as a software flaw, or human, such as a social engineering trick.
Installation: The attacker installs or drops additional malware or tools on the target's network or system to establish a foothold and maintain persistence. The attacker may use various techniques, such as registry modification, file manipulation, or process injection, to hide their presence and evade detection.
Command and Control: The attacker establishes a communication channel between the compromised target and a remote server or controller. The attacker may use various protocols, such as HTTP, DNS, or IRC, to send commands and receive data from the target.
Actions on the objective: The attacker performs the final actions that achieve their goal, such as stealing data, destroying files, encrypting systems, or disrupting services. The attacker may also try to move laterally within the target's network or system to access more resources or data.
Reference:
Cyber Kill Chain: This document explains the Cyber Kill Chain model and how it can be used to analyze and respond to cyberattacks.
Cyber Attack Tactics: This document provides an overview of some common cyber attack tactics and examples of how they are used by threat actors.
NEW QUESTION # 69
Which built-in dashboard would be the best option for an executive, if they were looking for the Mean Time to Resolution (MTTR) metric?
Answer: D
Explanation:
The Incident Management Dashboard provides a high-level overview of the incident response process, including the Mean Time to Resolution (MTTR) metric. This metric measures the average time it takes to resolve an incident from the moment it is created to the moment it is closed. The dashboard also shows the number of incidents by status, severity, and assigned analyst, as well as the top alerts by category, source, and destination. The Incident Management Dashboard is designed for executives and managers who want to monitor the performance and efficiency of their security teams. Reference: [PCDRA Study Guide], page 18.
NEW QUESTION # 70
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