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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Communication and Network Security | 13% | - Network attacks and countermeasures - Secure communication channels - Network security controls - Network architecture and design |
| Topic 2: Software Development Security | 10% | - Security in software development lifecycle - Secure coding practices - Security controls in development - Software security testing |
| Topic 3: Identity and Access Management (IAM) | 13% | - Access control mechanisms - Access control attacks and mitigation - Identity management concepts - Identity and access provisioning |
| Topic 4: Security Operations | 13% | - Security administration - Incident management and response - Security operations concepts - Physical security - Business continuity and disaster recovery |
| Topic 5: Security Assessment and Testing | 12% | - Vulnerability assessment and remediation - Security control testing - Security audit and review - Assessment and testing strategies |
| Topic 6: Asset Security | 10% | - Asset retention and disposal - Protecting privacy - Data security controls - Asset classification and ownership |
| Topic 7: Security and Risk Management | 16% | - Governance, risk management, and compliance - Security principles, concepts, and structures - Professional ethics - Legal, regulatory, and ethical issues |
| Topic 8: Security Architecture and Engineering | 13% | - Security models and frameworks - Site and facility security - Security design principles - Security capabilities of information systems - Cryptography |
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NEW QUESTION # 637
Which of the following is a method of attacking internet (IP) v6 Layer 3 and Layer 4?
Answer: C
Explanation:
Internet Control Message Protocol (ICMP) flooding is a method of attacking Internet Protocol version 6 (IPv6) Layer 3 and Layer 4. ICMP is a protocol that is used to send error and control messages between hosts and routers in an IP network. ICMP flooding is a type of denial-of- service (DoS) attack that sends a large number of ICMP packets, such as echo request or ping packets, to a target host or network, with the aim of overwhelming its resources and bandwidth, and preventing it from responding to legitimate requests. ICMP flooding can affect both IPv4 and IPv6 networks, but IPv6 networks are more vulnerable, as IPv6 requires ICMP for essential functions, such as neighbor discovery, path MTU discovery, and multicast listener discovery.
Therefore, ICMP flooding can disrupt the normal operation and communication of IPv6 hosts and routers, and cause network congestion, packet loss, or service degradation. Synchronize sequence numbers (SYN) flooding, Domain Name System (DNS) cache poisoning, and Media Access Control (MAC) flooding are not methods of attacking IPv6 Layer 3 and Layer 4, as they target different protocols or layers of the network.
NEW QUESTION # 638
What security technique in the Software Development Life Cycle (SDLC) should be leveraged to BEST ensure secure development throughout a project?
Answer: B
NEW QUESTION # 639
When backing up an applications system's data, which of the following is a key question to be answered first?
Answer: B
Explanation:
It is critical that a determination be made of WHAT data is important and should be
retained and protected. Without determining the data to be backed up, the potential for error
increases. A record or file could be vital and yet not included in a backup routine. Alternatively,
temporary or insignificant files could be included in a backup routine unnecessarily.
The following answers were incorrect:
When to make backups Although it is important to consider schedules for backups, this is done
after the decisions are made of what should be included in the backup routine.
Where to keep backups The location of storing backup copies of data (Such as tapes, on-line backups, etc) should be made after determining what should be included in the backup routine and the method to store the backup.
How to store backups The backup methodology should be considered after determining what data should be included in the backup routine.
NEW QUESTION # 640
What principle focuses on the uniqueness of separate objects that must be joined together to perform a task? It is sometimes referred to as "what each must bring" and joined together when getting access or decrypting a file. Each of which does not reveal the other?
Answer: B
Explanation:
Split knowledge involves encryption keys being separated into two components,
each of which does not reveal the other. Split knowledge is the other complementary access
control principle to dual control.
In cryptographic terms, one could say dual control and split knowledge are properly implemented if
no one person has access to or knowledge of the content of the complete cryptographic key being
protected by the two rocesses.
The sound implementation of dual control and split knowledge in a cryptographic environment
necessarily means that the quickest way to break the key would be through the best attack known for the algorithm of that key. The principles of dual control and split knowledge primarily apply to access to plaintext keys.
Access to cryptographic keys used for encrypting and decrypting data or access to keys that are encrypted under a master key (which may or may not be maintained under dual control and split knowledge) do not require dual control and split knowledge. Dual control and split knowledge can be summed up as the determination of any part of a key being protected must require the collusion between two or more persons with each supplying unique cryptographic materials that must be joined together to access the protected key.
Any feasible method to violate the axiom means that the principles of dual control and split knowledge are not being upheld.
Split knowledge is the unique "what each must bring" and joined together when implementing dual control. To illustrate, a box containing petty cash is secured by one combination lock and one keyed lock. One employee is given the combination to the combo lock and another employee has possession of the correct key to the keyed lock.
In order to get the cash out of the box both employees must be present at the cash box at the same time. One cannot open the box without the other. This is the aspect of dual control.
On the other hand, split knowledge is exemplified here by the different objects (the combination to the combo lock and the correct physical key), both of which are unique and necessary, that each brings to the meeting. Split knowledge focuses on the uniqueness of separate objects that must be joined together.
Dual control has to do with forcing the collusion of at least two or more persons to combine their split knowledge to gain access to an asset. Both split knowledge and dual control complement each other and are necessary functions that implement the segregation of duties in high integrity cryptographic environments.
The following are incorrect answers: Dual control is a procedure that uses two or more entities (usually persons) operating in concert to protect a system resource, such that no single entity acting alone can access that resource. Dual control is implemented as a security procedure that requires two or more persons to come together and collude to complete a process. In a cryptographic system the two (or more) persons would each supply a unique key, that when taken together, performs a cryptographic process. Split knowledge is the other complementary access control principle to dual control.
Separation of duties - The practice of dividing the steps in a system function among different
individuals, so as to keep a single individual from subverting the process.
The need-to-know principle requires a user having necessity for access to, knowledge of, or
possession of specific information required to perform official tasks or services.
Reference(s) used for this question:
Schneiter, Andrew (2013-04-15). Official (ISC)2 Guide to the CISSP CBK, Third Edition :
Cryptography (Kindle Locations 1621-1635). . Kindle Edition.
and
Schneiter, Andrew (2013-04-15). Official (ISC)2 Guide to the CISSP CBK, Third Edition :
Cryptography (Kindle Locations 1643-1650). . Kindle Edition.
and
Shon Harris, CISSP All In One (AIO), 6th Edition , page 126
NEW QUESTION # 641
Which choice below would NOT be considered a benefit of employing
incident-handling capability?
Answer: D
Explanation:
The primary benefits of employing an incident-handling capability are containing and repairing damage from incidents and preventing future damagE. Additional benefits related to establishing an incidenthandling capability are: Enhancement of the risk assessment process. An incidenthandling capability will allow organizations to collect threat data that may be useful in their risk assessment and safeguard selection processes (e.g., in designing new systems). Statistics on the numbers and types of incidents in the organization can be used in the risk-assessment process as an indication of vulnerabilities and threats. Enhancement of internal communications and the readiness of the organization to respond to any type of incident, not just computer security incidents. Internal communications will be improved, management will be better organized to receive communications, and contacts within public affairs, legal staff, law enforcement, and other groups will have been preestablished. Security training personnel will have a better understanding of users knowledge of security issues. Trainers can use actual incidents to vividly illustrate the importance of computer security. Training that is based on current threats and controls recommended by incident-handling staff provides users with
information more specifically directed to their current needs,
thereby reducing the risks to the organization from incidents.
*Answer "An individual acting alone would not be able to subvert a security process or control" is a
benefit of employing separation of duties controls.
Source: National Institute of Standards and Technology, An Introduction
to Computer Security: The NIST Handbook Special Publication 800-12.
NEW QUESTION # 642
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