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PECB Lead-Cybersecurity-Manager Exam - Topic 5 Question 29 Discussion

Posted by Gary on Apr 07, 2026 at 12:51 PM

Which of the following represents a cyber threat related 10 system configurations and environments?

Suggested Answer: C

A cyber threat related to system configurations and environments includes the risk posed by systems or services being publicly accessible through the internet. Public accessibility increases the attack surface and exposes the system to potential cyber threats.

Detailed Explanation:

Public Accessibility:

Definition: Systems or services that can be accessed from the internet by anyone.

Risks: Increases exposure to attacks such as unauthorized access, DDoS attacks, and exploitation of vulnerabilities.

System Configuration and Environment:

Vulnerabilities: Poor configuration, lack of updates, and inadequate security measures can increase risks.

Mitigation: Implementing firewalls, access controls, and regular security audits can help mitigate these threats.

Cybersecurity Reference:

ISO/IEC 27001: Emphasizes the importance of securing system configurations and managing public accessibility to mitigate risks.

NIST SP 800-53: Recommends controls to protect publicly accessible systems, including access controls and continuous monitoring.

By ensuring that systems are not unnecessarily publicly accessible, organizations can reduce their exposure to cyber threats.


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21 comments · newest first
KA
Katina 1 month ago
I’m leaning towards A. Supply chains are often weak links in security.
CL
Clay 1 month ago
I feel like C is the most obvious threat. Everyone can see it online.
SH
Sheridan 1 month ago
True, but A highlights supply chain issues. Those can be overlooked.
WH
Whitley 2 months ago
But B is also risky. Dependence on network services can lead to vulnerabilities.
CR
Cruz 2 months ago
Agreed! C definitely raises security concerns.
JA
Jaime 2 months ago
I think option C is a big threat. Public access means easy targets.
NO
Norah 2 months ago
I lean towards A. Supply chain issues can lead to major breaches.
LA
Lavera 2 months ago
All options have merit, but C stands out for me.
KI
Kiley 2 months ago
I feel B is important. If it relies on networks, it's vulnerable.
BU
Buddy 3 months ago
Option A is concerning too. Supply chains can be weak links.
RO
Rochell 3 months ago
Agreed! C is definitely risky. Open systems attract attackers.
XO
Xochitl 3 months ago
I think option C is a big threat. Public access means anyone can exploit it.
MA
Marylou 3 months ago
C) Totally! Public access means more threats for sure.
LI
Lizette 3 months ago
A) Not sure about that one, seems a bit vague.
DA
Danilo 4 months ago
C) Wait, is it really safe to have public access?
LE
Leontine 5 months ago
B) I agree, network dependency is a major issue.
CY
Cyndy 5 months ago
A) definitely a big risk!
DE
Delbert 6 months ago
I feel like all three options could represent threats in different contexts, but I’m not confident about which one is the most critical.
EV
Evette 6 months ago
I’m leaning towards option B because if the system relies on network services, it could be exposed to various attacks, but I need to double-check that.
GA
Galen 6 months ago
I remember a practice question about supply chain vulnerabilities, so option A could also be a threat, but it feels a bit vague to me.
MI
Micaela 6 months ago
I think option C might be a cyber threat since public accessibility can lead to exploitation, but I'm not entirely sure.
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