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Endpoint logs are the most suitable data source for gathering additional information about the executable running on the employee's corporate laptop. These logs contain detailed information about processes, executables, and activities occurring on the endpoint, enabling the security analyst to understand the behavior of the executable and its potential impact on the system and network.

Threat hunting is the process of proactively searching for signs of malicious activity or compromise in a network, rather than waiting for alerts or indicators of compromise (IOCs) to appear. Threat hunting can help identify new tactics, techniques, and procedures (TTPs) used by malicious actors, as well as uncover hidden or stealthy threats that may have evaded detection by security tools. Threat hunting requires a combination of skills, tools, and methodologies, such as hypothesis generation, data collection and analysis, threat intelligence, and incident response.Threat hunting can also help improve the security posture of an organization by providing feedback and recommendations for security improvements.

Full disk encryption (FDE) encrypts all the data on a disk drive, protecting the data at rest on the entire laptop, including the operating system, applications, and user files. This ensures that if a laptop is lost or stolen, the data cannot be accessed without the correct decryption key.

Preventive - an acceptable use policy enforces rules to users to use company resources.example - company A states that in order to access files in the company server you must connect to your company VPN when working from home. This prevents you from connecting from an insecure network.

According to the shared responsibility model, the client and the cloud provider have different roles and responsibilities for securing the cloud environment, depending on the service model. In an IaaS (Infrastructure as a Service) model, the cloud provider is responsible for securing the physical infrastructure, such as the servers, storage, and network devices, while the client is responsible for securing the operating systems, applications, and data that run on the cloud infrastructure. Therefore, the client is responsible for securing the company's database in an IaaS model for a cloud environment, as the database is an application that stores data. The client can use various security controls, such as encryption, access control, backup, and auditing, to protect the database from unauthorized access, modification, or loss. The third-party vendor and the DBA (Database Administrator) are not roles defined by the shared responsibility model, but they may be involved in the implementation or management of the database security.

Ease of recovery: High-availability networks should be designed in a way that allows for quick and easy recovery in the event of a failure. Redundancy, failover mechanisms, and backup systems are some of the components that can help facilitate smooth recovery.Responsiveness: High-availability networks need to be responsive to ensure that any potential issues or failures are quickly detected, and appropriate actions are taken promptly to minimize downtime and impact.

A change control request is a document that describes the proposed change to a system, the reason for the change, the expected impact, the approval process, the testing plan, the implementation plan, the rollback plan, and the communication plan. A change control request is a best practice for applying any patch to a production system, especially a high-priority one, as it ensures that the change is authorized, documented, tested, and communicated. A change control request also minimizes the risk of unintended consequences, such as system downtime, data loss, or security breaches.

Root cause analysis is a process of identifying and resolving the underlying factors that led to an incident. By conducting root cause analysis as part of incident response, security professionals can learn from the incident and implement corrective actions to prevent future incidents of the same nature. For example, if the root cause of a data breach was a weak password policy, the security team can enforce a stronger password policy and educate users on the importance of password security. Root cause analysis can also help to improve security processes, policies, and procedures, and to enhance security awareness and culture within the organization. Root cause analysis is not meant to gather loCs (indicators of compromise) for the investigation, as this is a task performed during the identification and analysis phases of incident response. Root cause analysis is also not meant to discover which systems have been affected or to eradicate any trace of malware on the network, as these are tasks performed during the containment and eradication phases of incident response.

Capacity planning is the process of determining the resources needed to meet the current and future demands of an organization. Capacity planning can help a company develop a business continuity strategy by estimating how many staff members would be required to sustain the business in the case of a disruption, such as a natural disaster, a cyberattack, or a pandemic.Capacity planning can also help a company optimize the use of its resources, reduce costs, and improve performance.