ISC2 CISSP Dumps - Pass Certified Information Systems Security Professional Exam in 2026

The application type that is considered high risk and that provides a common way for malware and viruses to enter a network is peer-to-peer (P2P) file sharing applications. An application is a type of software or program that can be installed or run on a system or a network, and that can provide various functions or features for the user or the customer, such as communication, entertainment, or productivity. An application can also pose a security risk, as it can introduce or expose various threats or attacks to the system or the network, such as malware or viruses. Malware is a type of malicious or harmful software or code that can be installed or executed on a system or a network, and that can perform various actions or tasks that can cause harm or damage to the system or the network, or to the user or the customer, such as stealing, deleting, or encrypting the data or the information. A virus is a type of malware that can replicate or copy itself, and that can infect or spread to other systems or networks, or to other files or programs, using various methods, such as e-mail, USB, or network.

Header analysis is an example of an anti-spam approach that checks the routing information on e-mail to determine if it is in a valid format and contains valid information. The routing information, or the header, is the part of the e-mail that contains the sender, the recipient, the subject, the date, and the path of the e-mail.Header analysis can detect spam by looking for inconsistencies, anomalies, or falsifications in the header, such as mismatched domains, spoofed addresses, forged timestamps, or invalid characters34.Reference:3: CISSP All-in-One Exam Guide, Eighth Edition, Chapter 6, page 6744: CISSP For Dummies, 7th Edition, Chapter 6, page 205.

Insufficient Service Level Agreement (SLA) would be the most probable cause for an organization to lack the ability to properly establish performance indicators for its Web hosting solution during an audit. A Web hosting solution is a service that provides the infrastructure, resources, and tools for hosting and maintaining a website or a web application on the internet. A Web hosting solution can offer various benefits, such as:

Improving the availability and accessibility of the website or web application by ensuring that it is online and reachable at all times

Enhancing the performance and scalability of the website or web application by optimizing the speed, load, and capacity of the web server

Increasing the security and reliability of the website or web application by providing the backup, recovery, and protection of the web data and content

Reducing the cost and complexity of the website or web application by outsourcing the web hosting and management to a third-party provider

A Service Level Agreement (SLA) is a contract or an agreement that defines the expectations, responsibilities, and obligations of the parties involved in a service, such as the service provider and the service consumer. An SLA can include various components, such as:

Service description: a detailed explanation of the scope, purpose, and features of the service

Service level objectives: a set of measurable and quantifiable goals or targets for the service quality, performance, and availability

Service level indicators: a set of metrics or parameters that are used to monitor and evaluate the service level objectives

Service level reporting: a process that involves collecting, analyzing, and communicating the service level indicators and objectives

Service level penalties: a set of consequences or actions that are applied when the service level objectives are not met or violated

Insufficient SLA would be the most probable cause for an organization to lack the ability to properly establish performance indicators for its Web hosting solution during an audit, because it could mean that the SLA does not include or specify the appropriate service level indicators or objectives for the Web hosting solution, or that the SLA does not provide or enforce the adequate service level reporting or penalties for the Web hosting solution. This could affect the ability of the organization to measure and assess the Web hosting solution quality, performance, and availability, and to identify and address any issues or risks in the Web hosting solution.

The other options are not the most probable causes for an organization to lack the ability to properly establish performance indicators for its Web hosting solution during an audit, but rather the factors that could affect or improve the Web hosting solution in other ways. Absence of a Business Intelligence (BI) solution is a factor that could affect the ability of the organization to analyze and utilize the data and information from the Web hosting solution, such as the web traffic, behavior, or conversion. A BI solution is a system that involves the collection, integration, processing, and presentation of the data and information from various sources, such as the Web hosting solution, to support the decision making and planning of the organization. However, absence of a BI solution is not the most probable cause for an organization to lack the ability to properly establish performance indicators for its Web hosting solution during an audit, because it does not affect the definition or specification of the performance indicators for the Web hosting solution, but rather the analysis or usage of the performance indicators for the Web hosting solution. Inadequate cost modeling is a factor that could affect the ability of the organization to estimate and optimize the cost and value of the Web hosting solution, such as the web hosting fees, maintenance costs, or return on investment. A cost model is a tool or a method that helps the organization to calculate and compare the cost and value of the Web hosting solution, and to identify and implement the best or most efficient Web hosting solution. However, inadequate cost modeling is not the most probable cause for an organization to lack the ability to properly establish performance indicators for its Web hosting solution during an audit, because it does not affect the definition or specification of the performance indicators for the Web hosting solution, but rather the estimation or optimization of the cost and value of the Web hosting solution. Improper deployment of the Service-Oriented Architecture (SOA) is a factor that could affect the ability of the organization to design and develop the Web hosting solution, such as the web services, components, or interfaces. A SOA is a software architecture that involves the modularization, standardization, and integration of the software components or services that provide the functionality or logic of the Web hosting solution. A SOA can offer various benefits, such as:

Improving the flexibility and scalability of the Web hosting solution by allowing the addition, modification, or removal of the software components or services without affecting the whole Web hosting solution

Enhancing the interoperability and compatibility of the Web hosting solution by enabling the communication and interaction of the software components or services across different platforms and technologies

Increasing the reusability and maintainability of the Web hosting solution by reducing the duplication and complexity of the software components or services

However, improper deployment of the SOA is not the most probable cause for an organization to lack the ability to properly establish performance indicators for its Web hosting solution during an audit, because it does not affect the definition or specification of the performance indicators for the Web hosting solution, but rather the design or development of the Web hosting solution.

The most significant benefit of an application upgrade that replaces randomly generated session keys with certificate based encryption for communications with backend servers is non-repudiation. Non-repudiation is a security property that ensures that the parties involved in a communication or transaction cannot deny their participation or the validity of the data. Non-repudiation can provide some benefits for web security, such as enhancing the accountability and trustworthiness of the parties, preventing fraud or disputes, and enabling legal or forensic evidence. Certificate based encryption is a technique that uses digital certificates to encrypt and decrypt data. Digital certificates are issued by a trusted certificate authority (CA), and contain the public key and other information of the owner. Certificate based encryption can provide non-repudiation by using the public key and the private key of the parties to perform encryption and decryption, and by using digital signatures to verify the identity and the integrity of the data. Certificate based encryption can also provide confidentiality, integrity, and authentication for the communication. Session keys are temporary keys that are used to encrypt and decrypt data for a single session or communication. Session keys are usually randomly generated and exchanged between the parties using a key exchange protocol, such as Diffie-Hellman or RSA. Session keys can provide confidentiality and integrity for the communication, but they cannot provide non-repudiation, as the parties can deny their possession or usage of the session keys, or claim that the session keys were compromised or tampered with. Efficiency, confidentiality, and privacy are not the most significant benefits of an application upgrade that replaces randomly generated session keys with certificate based encryption for communications with backend servers, although they may be related or useful properties. Efficiency is a performance property that measures how well a system or a process uses the available resources, such as time, space, or energy. Efficiency can be affected by various factors, such as the design, the implementation, the optimization, or the maintenance of the system or the process. Efficiency may or may not be improved by an application upgrade that replaces randomly generated session keys with certificate based encryption for communications with backend servers, depending on the trade-offs between the security and the performance of the encryption techniques. Confidentiality is a security property that ensures that the data is only accessible or disclosed to the authorized parties. Confidentiality can be provided by both session keys and certificate based encryption, as they both use encryption to protect the data from unauthorized access or disclosure. However, confidentiality is not the most significant benefit of an application upgrade that replaces randomly generated session keys with certificate based encryption for communications with backend servers, as it is not a new or enhanced property that is introduced by the upgrade. Privacy is a security property that ensures that the personal or sensitive information of the parties is protected from unauthorized collection, processing, or sharing. Privacy can be affected by various factors, such as the policies, the regulations, the technologies, or the behaviors of the parties involved in the communication or transaction. Privacy may or may not be improved by an application upgrade that replaces randomly generated session keys with certificate based encryption for communications with backend servers, depending on the type and the amount of information that is encrypted and transmitted. However, privacy is not the most significant benefit of an application upgrade that replaces randomly generated session keys with certificate based encryption for communications with backend servers, as it is not a direct or specific property that is provided by the encryption techniques.

One of the security objectives for industrial control systems (ICS) that can be adapted to securing any Internet of Things (IoT) system is to protect individual components from exploitation. ICS are systems that monitor and control physical processes or devices, such as power plants, water treatment facilities, or manufacturing plants. IoT are systems that connect physical objects or devices, such as sensors, cameras, or smart appliances, to the internet or a network. Both ICS and IoT systems consist of multiple components, such as hardware, software, firmware, or communication protocols, that interact with each other and the environment. Protecting individual components from exploitation is a security objective that applies to both ICS and IoT systems, as it aims to prevent unauthorized or malicious access, modification, or disruption of the components, and to ensure their integrity, availability, and functionality. Preventing unauthorized modification of data, restoring the system after an incident, or detecting security events and incidents are not security objectives that are specific to ICS or IoT systems, but rather general security objectives that apply to any system or organization.Reference:Official (ISC)2 Guide to the CISSP CBK, Fifth Edition, Chapter 3: Security Architecture and Engineering, page 194.