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Palo Alto Networks Exam PCDRA Topic 13 Question 56 Discussion

Actual exam question for Palo Alto Networks's Palo Alto Networks Certified Detection and Remediation Analyst exam
Question #: 56
Topic #: 13
[All Palo Alto Networks Certified Detection and Remediation Analyst Questions]

What is an example of an attack vector for ransomware?

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Suggested Answer: C

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]


Contribute your Thoughts:

Jina
3 months ago
URL filtering on a firewall? Really? That's like trying to stop a charging bull with a toothpick. Ransomware laughs at that kind of defense.
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Mona
3 months ago
Hmm, SSL decryption on an endpoint? That's just asking for trouble. Might as well roll out the red carpet for the ransomware gang.
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Donette
1 months ago
C) Phishing emails containing malicious attachments
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Maxima
1 months ago
B) Performing SSL Decryption on an endpoint
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Ula
1 months ago
A) Performing DNS queries for suspicious domains
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Chau
2 months ago
C) Phishing emails containing malicious attachments
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Avery
2 months ago
B) Performing SSL Decryption on an endpoint
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Miesha
2 months ago
A) Performing DNS queries for suspicious domains
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Chaya
3 months ago
I believe C) Phishing emails containing malicious attachments is the most common attack vector for ransomware because it targets human vulnerabilities.
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Juan
4 months ago
I'm not sure, but I think A) Performing DNS queries for suspicious domains could also be a possible attack vector.
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Walker
4 months ago
I agree with Abel, phishing emails are a common attack vector for ransomware.
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Abel
4 months ago
I think the answer is C) Phishing emails containing malicious attachments.
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Shenika
4 months ago
C'mon, everyone knows ransomware likes to play hide-and-seek with suspicious domains. It's like a twisted game of 'Where's Waldo' for hackers.
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Broderick
4 months ago
Phishing emails with malicious attachments? That's a no-brainer! Ransomware loves to piggyback on our human gullibility.
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Alberto
4 months ago
User 3: We really need to be more cautious when opening emails from unknown sources.
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Kanisha
4 months ago
User 2: Yeah, it's crazy how easily people can fall for those malicious attachments.
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Fernanda
4 months ago
User 1: Phishing emails are definitely a common attack vector for ransomware.
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