CAS-005 · Question #319
A recent security audit identified multiple endpoints have the following vulnerabilities: - Various unsecured open ports - Active accounts for terminated personnel - Endpoint protection software with
The correct answer is D. Unneeded services disabled E. Patching G. Removal of unused accounts. To mitigate the identified endpoint vulnerabilities, the best actions are disabling unneeded services to close unsecured ports, patching legacy endpoint protection software, and removing unused accounts for terminated personnel.
Question
A recent security audit identified multiple endpoints have the following vulnerabilities:
- Various unsecured open ports
- Active accounts for terminated personnel
- Endpoint protection software with legacy versions
- Overly permissive access rules
Which of the following would best mitigate these risks? (Select three).
Options
- ALocal drive encryption
- BSecure boot
- CAddress space layout randomization
- DUnneeded services disabled
- EPatching
- FLogging
- GRemoval of unused accounts
- HEnabling BIOS password
How the community answered
(25 responses)- A8% (2)
- C16% (4)
- D68% (17)
- F4% (1)
- H4% (1)
Why each option
To mitigate the identified endpoint vulnerabilities, the best actions are disabling unneeded services to close unsecured ports, patching legacy endpoint protection software, and removing unused accounts for terminated personnel.
Local drive encryption protects data at rest but does not directly mitigate unsecured open ports, active terminated accounts, legacy software, or overly permissive access rules.
Secure boot ensures that only trusted software loads at startup but does not address runtime issues like open ports, account management, or outdated software versions.
Address Space Layout Randomization (ASLR) is a memory protection technique that helps prevent exploit development but does not directly address the specific vulnerabilities listed like open ports or account management.
Disabling unneeded services directly addresses the risk of "various unsecured open ports" by closing potential attack vectors associated with services that are not required for endpoint functionality.
Patching addresses the risk of "endpoint protection software with legacy versions" by updating to current versions, which include security fixes and improved capabilities, and can also help close known vulnerabilities that might lead to overly permissive access or other issues.
Logging is crucial for detection and investigation but is a reactive measure and does not actively mitigate the identified vulnerabilities.
Removal of unused accounts, especially "active accounts for terminated personnel," directly mitigates the risk of unauthorized access and reduces the attack surface by eliminating dormant user accounts that could be exploited.
Enabling a BIOS password secures access to BIOS settings but does not mitigate unsecured open ports, active terminated accounts, legacy software, or overly permissive access rules at the operating system or application level.
Concept tested: Endpoint security, vulnerability remediation, basic security hygiene
Source: https://www.cisecurity.org/cybersecurity-best-practices/cis-controls/v8/implementation-groups/ig1
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