Sam, a software engineer, visited an organization to give a demonstration on a software tool that helps in business development. The administrator at the organization created a least privileged account on a system and allocated that system to Sam for the demonstration. Using this account, Sam can only access the files that are required for the demonstration and cannot open any other file in the system.
Which of the following types of accounts the organization has given to Sam in the above scenario?
The correct answer is B, as it identifies the type of account that the organization has given to Sam in the above scenario. A guest account is a type of account that allows temporary or limited access to a system or network for visitors or users who do not belong to the organization. A guest account typically has minimal privileges and permissions and can only access certain files or applications. In the above scenario, the organization has given Sam a guest account for the demonstration. Using this account, Sam can only access the files that are required for the demonstration and cannot open any other file in the system. Option A is incorrect, as it does not identify the type of account that the organization has given to Sam in the above scenario. A service account is a type of account that allows applications or services to run on a system or network under a specific identity. A service account typically has high privileges and permissions and can access various files or applications. In the above scenario, the organization has not given Sam a service account for the demonstration. Option C is incorrect, as it does not identify the type of account that the organization has given to Sam in the above scenario. A user account is a type of account that allows regular access to a system or network for employees or members of an organization. A user account typically has moderate privileges and permissions and can access various files or applications depending on their role. In the above scenario, the organization has not given Sam a user account for the demonstration. Option D is incorrect, as it does not identify the type of account that the organization has given to Sam in the above scenario. An administrator account is a type of account that allows full access to a system or network for administrators or managers of an organization. An administrator account typically has the highest privileges and permissions and can access and modify any files or applications. In the above scenario, the organization has not given Sam an administrator account for the demonstration.
You are the chief cybersecurity officer at a multi-national corporation, which specializes in satellite-based communication systems. Recently, you transitioned to a more advanced system architecture that includes multiple ground stations globally. These stations synchronize and communicate via a central hub that manages the distribution of encrypted data across the network. Upon reviewing the quarterly network logs, you uncover a series of sophisticated intrusions. These intrusions are intermittently taking place inground stations located in three continents. Evidence suggests that these attacks are coordinated, aiming to map out the network's communication paths, likely in preparation for a much larger scale cyber-attack. Further investigation uncovers small pockets of malware within the system, specifically designed to circumvent your current security controls. Given the criticality of ensuring uninterrupted satellite communication, which countermeasure would be most effective in thwarting these intrusions, ensuring data integrity, and maintaining the operational status of your satellite communication systems?
Network Segmentation:
Network segmentation involves dividing the network into smaller, isolated segments, each with its own security policies and controls. This limits the spread of malware and unauthorized access.
Micro-Segmentation:
Micro-segmentation takes this further by creating even smaller segments within each ground station, ensuring that even if one segment is compromised, the others remain secure.
Real-Time Threat Monitoring:
Deploying real-time threat monitoring allows for the detection and response to threats as they occur, providing a dynamic and adaptive security posture.
Dynamic Policy Adjustments:
Implementing policies that can adjust in real-time based on detected threats ensures that the network remains resilient against ongoing and evolving attacks.
By adopting an advanced network segmentation strategy with real-time monitoring and dynamic policy adjustments, the corporation can effectively counter sophisticated intrusions and ensure the integrity and operational status of its satellite communication systems.
Leilani, a network specialist at an organization, employed Wireshark for observing network traffic. Leilani navigated to the Wireshark menu icon that contains items to manipulate, display and apply filters, enable, or disable the dissection of protocols, and configure user-specified decodes.
Identify the Wireshark menu Leilani has navigated in the above scenario.
Capture is the Wireshark menu that Leilani has navigated in the above scenario. Wireshark is a network analysis tool that captures and displays network traffic in real-time or from saved files. Wireshark has various menus that contain different items and options for manipulating, displaying, and analyzing network data. Capture is the Wireshark menu that contains items to start, stop, restart, or save a live capture of network traffic. Capture also contains items to configure capture filters, interfaces, options, and preferences . Statistics is the Wireshark menu that contains items to display various statistics and graphs of network traffic, such as packet lengths, protocols, endpoints, conversations, etc. Main toolbar is the Wireshark toolbar that contains icons for quick access to common functions, such as opening or saving files, starting or stopping a capture, applying display filters, etc. Analyze is the Wireshark menu that contains items to manipulate, display and apply filters, enable or disable the dissection of protocols, and configure user-specified decodes.
NetSafe Corp, recently conducted an overhaul of its entire network. This refresh means that the old baseline traffic signatures no longer apply. The security team needs to establish a new baseline that comprehensively captures both normal and suspicious activities. The goal is to ensure real-time detection and mitigation of threats without generating excessive false positives. Which approach should NetSafe Corp, adopt to effectively set up this baseline?
Dynamic Baseline Establishment:
Machine learning algorithms can analyze vast amounts of network traffic data over an extended period, such as a month, to understand normal and abnormal patterns dynamically.
Real-Time Detection and Mitigation:
By leveraging machine learning, the system can continuously learn and adapt to new traffic patterns, reducing false positives and ensuring accurate real-time threat detection and mitigation.
Reduction of False Positives:
A machine learning-based approach can distinguish between benign anomalies and actual threats by considering context, historical data, and behavioral patterns, thereby minimizing false positives.
Handling Evolving Threats:
The dynamic nature of machine learning allows the baseline to evolve as new types of traffic and threats emerge, ensuring that the security system remains effective against both known and unknown threats.
Using machine learning to establish a dynamic baseline is an effective strategy for NetSafe Corp to maintain robust network security and respond to threats promptly.
Ayden works from home on his company's laptop. During working hours, he received an antivirus software update notification on his laptop. Ayden clicked on the update button; however, the system restricted the update and displayed a message stating that the update could only be performed by authorized personnel. Which of the following PCI-DSS requirements is demonstrated In this scenario?
PCI-DSS requirement no 5.3 is the PCI-DSS requirement that is demonstrated in this scenario. PCI-DSS (Payment Card Industry Data Security Standard) is a set of standards that applies to entities that store, process, or transmit payment card information, such as merchants, service providers, or payment processors. PCI-DSS requires them to protect cardholder data from unauthorized access, use, or disclosure. PCI-DSS consists of 12 requirements that are grouped into six categories: build and maintain a secure network and systems, protect cardholder data, maintain a vulnerability management program, implement strong access control measures, regularly monitor and test networks, and maintain an information security policy. PCI-DSS requirement no 5.3 is part of the category ''maintain a vulnerability management program'' and states that antivirus mechanisms must be actively running and cannot be disabled or altered by users, unless specifically authorized by management on a case-by-case basis for a limited time period. In the scenario, Ayden works from home on his company's laptop. During working hours, he received an antivirus software update notification on his laptop. Ayden clicked on the update button; however, the system restricted the update and displayed a message stating that the update could only be performed by authorized personnel. This means that his company's laptop has an antivirus mechanism that is actively running and cannot be disabled or altered by users, which demonstrates PCI-DSS requirement no 5.3.
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