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A cybersecurity analyst discovered a private key that could have been exposed.
Which of the following is the BEST way for the analyst to determine if the key has been compromised?
A security architect is designing a solution for a new customer who requires significant security capabilities in its environment. The customer has provided the architect with the following set of requirements:
* Capable of early detection of advanced persistent threats.
* Must be transparent to users and cause no performance degradation.
+ Allow integration with production and development networks seamlessly.
+ Enable the security team to hunt and investigate live exploitation techniques.
Which of the following technologies BEST meets the customer's requirements for security capabilities?
Deception software is a technology that creates realistic but fake assets (such as servers, applications, data, etc.) that mimic the real environment and lure attackers into interacting with them.By doing so, deception software can help detect advanced persistent threats (APTs) that may otherwise evade traditional security tools12.Deception software can also provide valuable insights into the attacker's tactics, techniques, and procedures (TTPs) by capturing their actions and behaviors on the decoys13.
Deception software can meet the customer's requirements for security capabilities because:
It is capable of early detection of APTs by creating attractive targets for them and alerting security teams when they are engaged12.
It is transparent to users and causes no performance degradation because it does not interfere with legitimate traffic or resources13.
It allows integration with production and development networks seamlessly because it can create decoys that match the network topology and configuration13.
It enables the security team to hunt and investigate live exploitation techniques because it can record and analyze the attacker's activities on the decoys13.
A company hosts a large amount of data in blob storage for its customers. The company recently had a number of issues with this data being prematurely deleted before the scheduled backup processes could be completed. The management team has asked the security architect for a recommendation that allows blobs to be deleted occasionally, but only after a successful backup. Which of the following solutions will BEST meet this requirement?
Soft delete allows blobs to be deleted, but the data remains accessible for a period of time before it is permanently deleted. This allows the company to delete blobs as needed, while still affording enough time for the backup process to complete. After the backup process is complete, the blobs can be permanently deleted.
A company suspects a web server may have been infiltrated by a rival corporation. The security engineer reviews the web server logs and finds the following:
The security engineer looks at the code with a developer, and they determine the log entry is created when the following line is run:
Which of the following is an appropriate security control the company should implement?
The company using the wrong port is the most likely root cause of why secure LDAP is not working. Secure LDAP is a protocol that provides secure communication between clients and servers using LDAP (Lightweight Directory Access Protocol), which is a protocol that allows querying and modifying directory services over TCP/IP. Secure LDAP uses SSL (Secure Sockets Layer) or TLS (Transport Layer Security) to encrypt LDAP traffic and prevent unauthorized disclosure or interception.
A security architect is improving a healthcare organization's security posture. Most of the software is cloud-based, but some old applications are still running on a server on-site. Medical devices using such applications require very low latency. The most important consideration isconfidentiality, followed byavailability, and thenintegrity. Which of the following is thefirst stepthe security architect should implement to protect PII?
Comprehensive and Detailed in-Depth
Context:
Confidentialityis the highest priority, as the primary goal is toprotect PII (Personally Identifiable Information).
Availabilityis the second priority, crucial due to thelow latency requirementof medical devices.
Integrityis the third priority, essential to maintain accurate patient data.
The environment consists ofon-site applicationsinteracting with medical devices, wherecloud migration is not feasibledue to latency concerns.
Why the Correct Answer is C (Enable encryption at rest on medical devices):
Sinceconfidentialityis the top priority, enablingencryption at reston devices ensures thatsensitive data is protectedeven if the devices are compromised.
Medical devices can storePII locally, andencryption at restensures that even if physical or unauthorized access occurs, the data remainsconfidential.
Encrypting data at rest mitigates the risk of data leakage in scenarios likedevice theft or unauthorized access.
Given that the primary goal isconfidentiality, this action aligns with theCIA triadpriorities mentioned.
Why the Other Options Are Incorrect:
A . Move the application server to a network load balancing cluster:
This primarily addressesavailability, notconfidentiality.
Moving to a load-balanced setup may improveuptimebut doesnot directly protect PII.
B . Move the application to a CSP (Cloud Service Provider):
While cloud migration can offerenhanced security, it contradicts thelow latency requirementfor medical devices.
Transferring sensitive healthcare data to the cloud might introducelatency issuesand compromiseavailability.
D . Install FIM (File Integrity Monitoring) on the application server:
FIM primarily addressesintegrityby detecting changes in files but doesnot protect confidentiality.
Monitoring changes to filesdoes not encrypt or secure data at rest.
Best Practice:
In healthcare environments wherePII and medical data are stored locally, always implementencryption at restto ensure data remainsprotected and confidential.
TheHIPAAregulation also mandates encryption for protectingelectronic protected health information (ePHI), reinforcing the need for this step.
Extract from CompTIA SecurityX CAS-005 Study Guide:
TheCompTIA SecurityX CAS-005 Official Study Guideemphasizes that whenconfidentialityis the highest priority,data encryption at restis essential for protectingsensitive information. In healthcare environments wherePII and medical data are involved, encryption is anon-negotiable requirementto meet compliance standards.
