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ISC CISSP Exam Syllabus Topics:

SectionWeightObjectives
Communication and Network Security13%- Secure network components
  • 1. Firewalls
  • 2. Routers and switches
- Implement secure design principles in networks
  • 1. Segmentation
  • 2. Network architecture
- Implement secure communication channels
  • 1. Secure protocols
  • 2. VPN
Security Assessment and Testing12%- Conduct security control testing
  • 1. Vulnerability assessments
  • 2. Penetration testing
- Design and validate assessment strategies
  • 1. Audit strategies
  • 2. Security testing
- Collect and analyze test outputs
  • 1. Reporting
  • 2. Log reviews
Software Development Security11%- Identify and mitigate vulnerabilities
  • 1. Static and dynamic testing
  • 2. Code review
- Assess software security effectiveness
  • 1. Security metrics
  • 2. Application testing
- Understand software development lifecycle security
  • 1. DevSecOps
  • 2. Secure SDLC
Asset Security10%- Manage data lifecycle
  • 1. Data storage
  • 2. Data sharing
- Identify and classify information and assets
  • 1. Data classification
  • 2. Asset ownership
- Provision resources securely
  • 1. Asset lifecycle management
  • 2. Media handling
- Establish information handling requirements
  • 1. Secure disposal
  • 2. Data retention
Security and Risk Management15%- Apply supply chain risk management concepts
  • 1. Third-party governance
  • 2. Vendor assessments
- Evaluate and apply security governance principles
  • 1. Roles and responsibilities
  • 2. Organizational processes
  • 3. Security policies and procedures
- Develop and manage security policies
  • 1. Policy lifecycle
  • 2. Standards and guidelines
- Apply risk management concepts
  • 1. Risk assessment
  • 2. Risk monitoring
  • 3. Risk treatment
- Understand legal and regulatory issues
  • 1. Cyber crimes and data breaches
  • 2. Licensing and intellectual property
- Determine compliance requirements
  • 1. Legal and regulatory requirements
  • 2. Privacy requirements
- Understand and apply threat modeling concepts
  • 1. Threat actors
  • 2. Attack surfaces
- Establish and manage security awareness training
  • 1. Training effectiveness
  • 2. Awareness programs
- Identify and analyze threats and vulnerabilities
  • 1. Threat modeling
  • 2. Risk analysis methodologies
- Understand requirements for investigation types
  • 1. Administrative investigations
  • 2. Criminal investigations
- Understand and apply security concepts
  • 1. Security governance principles
  • 2. Due care and due diligence
  • 3. Confidentiality, integrity and availability
Security Architecture and Engineering13%- Research and implement security models
  • 1. Security frameworks
  • 2. Trusted computing base
- Apply cryptography
  • 1. PKI
  • 2. Encryption methods
- Assess vulnerabilities of architectures
  • 1. Cloud-based systems
  • 2. Embedded systems
- Understand security capabilities of systems
  • 1. Hardware security
  • 2. Virtualization
- Select controls based on security requirements
  • 1. Detective controls
  • 2. Preventive controls
Security Operations13%- Operate and maintain preventive measures
  • 1. Backup operations
  • 2. Patch management
- Conduct logging and monitoring activities
  • 1. Continuous monitoring
  • 2. SIEM
- Implement disaster recovery processes
  • 1. Recovery testing
  • 2. Business continuity
- Understand and support investigations
  • 1. Digital forensics
  • 2. Evidence handling
- Implement incident management
  • 1. Incident response
  • 2. Recovery procedures
Identity and Access Management13%- Integrate identity as a service
  • 1. Cloud identity
  • 2. SSO
- Manage identification and authentication
  • 1. Federated identity
  • 2. MFA
- Control physical and logical access
  • 1. Identity lifecycle
  • 2. Access provisioning

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ISC CISSP Zertifizierung - CISSP Fragenkatalog

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ISC Certified Information Systems Security Professional (CISSP) CISSP Prüfungsfragen mit Lösungen (Q268-Q273):

268. Frage
This type of attack is generally most applicable to public-key cryptosystems, what type of attack am I?

Antwort: C

Begründung:
A chosen-ciphertext attack is one in which cryptanalyst may choose a piece of ciphertext and attempt to obtain the corresponding decrypted plaintext. This type of attack is generally most applicable to public-key cryptosystems.
A chosen-ciphertext attack (CCA) is an attack model for cryptanalysis in which the cryptanalyst gathers information, at least in part, by choosing a ciphertext and obtaining its decryption under an unknown key. In the attack, an adversary has a chance to enter one or more known ciphertexts into the system and obtain the resulting plaintexts. From these pieces of information the adversary can attempt to recover the hidden secret key used for decryption.
A number of otherwise secure schemes can be defeated under chosen-ciphertext attack. For example, the El Gamal cryptosystem is semantically secure under chosen-plaintext attack, but this semantic security can be trivially defeated under a chosen-ciphertext attack. Early versions of RSA padding used in the SSL protocol were vulnerable to a sophisticated adaptive chosen-ciphertext attack which revealed SSL session keys. Chosen-ciphertext attacks have implications for some self-synchronizing stream ciphers as well. Designers of tamper-resistant cryptographic smart cards must be particularly cognizant of these attacks, as these devices may be completely under the control of an adversary, who can issue a large number of chosen-ciphertexts in an attempt to recover the hidden secret key.
According to RSA: Cryptanalytic attacks are generally classified into six categories that distinguish the kind of information the cryptanalyst has available to mount an attack. The categories of attack are listed here roughly in increasing order of the quality of information available to the cryptanalyst, or, equivalently, in decreasing order of the level of difficulty to the cryptanalyst. The objective of the cryptanalyst in all cases is to be able to decrypt new pieces of ciphertext without additional information. The ideal for a cryptanalyst is to extract the secret key.
A ciphertext-only attack is one in which the cryptanalyst obtains a sample of ciphertext, without the plaintext associated with it. This data is relatively easy to obtain in many scenarios, but a successful ciphertext-only attack is generally difficult, and requires a very large ciphertext sample. Such attack was possible on cipher using Code Book Mode where frequency analysis was being used and even thou only the ciphertext was available, it was still possible to eventually collect enough data and decipher it without having the key.
A known-plaintext attack is one in which the cryptanalyst obtains a sample of ciphertext and the corresponding plaintext as well. The known-plaintext attack (KPA) or crib is an attack model for cryptanalysis where the attacker has samples of both the plaintext and its encrypted version (ciphertext), and is at liberty to make use of them to reveal further secret information such as secret keys and code books.
A chosen-plaintext attack is one in which the cryptanalyst is able to choose a quantity of plaintext and then obtain the corresponding encrypted ciphertext. A chosen-plaintext attack (CPA) is an attack model for cryptanalysis which presumes that the attacker has the capability to choose arbitrary plaintexts to be encrypted and obtain the corresponding ciphertexts. The goal of the attack is to gain some further information which reduces the security of the encryption scheme. In the worst case, a chosen-plaintext attack could reveal the scheme's secret key.
This appears, at first glance, to be an unrealistic model; it would certainly be unlikely that an attacker could persuade a human cryptographer to encrypt large amounts of plaintexts of the attacker's choosing. Modern cryptography, on the other hand, is implemented in software or
hardware and is used for a diverse range of applications; for many cases, a chosen-plaintext
attack is often very feasible. Chosen-plaintext attacks become extremely important in the context
of public key cryptography, where the encryption key is public and attackers can encrypt any
plaintext they choose.
Any cipher that can prevent chosen-plaintext attacks is then also guaranteed to be secure against
known-plaintext and ciphertext-only attacks; this is a conservative approach to security.
Two forms of chosen-plaintext attack can be distinguished:
Batch chosen-plaintext attack, where the cryptanalyst chooses all plaintexts before any of them
are encrypted. This is often the meaning of an unqualified use of "chosen-plaintext attack".
Adaptive chosen-plaintext attack, is a special case of chosen-plaintext attack in which the
cryptanalyst is able to choose plaintext samples dynamically, and alter his or her choices based on
the results of previous encryptions. The cryptanalyst makes a series of interactive queries,
choosing subsequent plaintexts based on the information from the previous encryptions.
Non-randomized (deterministic) public key encryption algorithms are vulnerable to simple
"dictionary"-type attacks, where the attacker builds a table of likely messages and their
corresponding ciphertexts. To find the decryption of some observed ciphertext, the attacker simply
looks the ciphertext up in the table. As a result, public-key definitions of security under chosen-
plaintext attack require probabilistic encryption (i.e., randomized encryption). Conventional
symmetric ciphers, in which the same key is used to encrypt and decrypt a text, may also be
vulnerable to other forms of chosen-plaintext attack, for example, differential cryptanalysis of block
ciphers.
An adaptive-chosen-ciphertext is the adaptive version of the above attack. A cryptanalyst can
mount an attack of this type in a scenario in which he has free use of a piece of decryption
hardware, but is unable to extract the decryption key from it.
An adaptive chosen-ciphertext attack (abbreviated as CCA2) is an interactive form of chosen-
ciphertext attack in which an attacker sends a number of ciphertexts to be decrypted, then uses
the results of these decryptions to select subsequent ciphertexts. It is to be distinguished from an
indifferent chosen-ciphertext attack (CCA1).
The goal of this attack is to gradually reveal information about an encrypted message, or about the
decryption key itself. For public-key systems, adaptive-chosen-ciphertexts are generally applicable
only when they have the property of ciphertext malleability - that is, a ciphertext can be modified
in specific ways that will have a predictable effect on the decryption of that message.
A Plaintext Only Attack is simply a bogus detractor. If you have the plaintext only then there is no
need to perform any attack.
References: RSA Laboratories FAQs about today's cryptography: What are some of the basic types of cryptanalytic attack? also see: http://www.giac.org/resources/whitepaper/cryptography/57.php and http://en.wikipedia.org/wiki/Chosen-plaintext_attack


269. Frage
Which of the following statements pertaining to biometrics is FALSE?

Antwort: D

Begründung:
Explanation/Reference:
Explanation:
Type 2 authentication is based on something you have, like a token. Biometrics for part of Type 3 authentication, which is based on something you are. Something you are refers to an individual's physical traits.
Incorrect Answers:
A, B, C: These options are all TRUE with regards to biometrics.
References:
Conrad, Eric, Seth Misenar, Joshua Feldman, CISSP Study Guide, 2nd Edition, Syngress, Waltham, 2012, pp. 35-37 Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, pp. 187-189


270. Frage
The environment that must be protected includes all personnel, equipment, data, communication devices, power supply and wiring. The necessary level of protection depends on the value of data, the computer systems, and the company assets within the facility. The value of these items can be determined by what type of analysis?

Antwort: B

Begründung:
"The environment that must be protected through physical security controls includes all personnel, equipment, data, communication devices, power supplies, and wiring. The necessary level of protection depends on the value of the data, the computer systems, and the company assets within the facility. The value of these items can be determined by a critical-path analysis, which lists each piece of the infrastructure and what is necessary to keep those pieces healthy and operational." Pg 255 Shon Harris: All-in-One CISSP Certification


271. Frage
An organization wants to ensure that a message was not altered in transit and that it originated from the claimed sender. Which security service BEST addresses both requirements?

Antwort: B

Begründung:
A digital signature provides both integrity (any alteration invalidates the signature) and authentication/non-repudiation (only the holder of the private key could have produced it). While non-repudiation is one property provided, the mechanism that delivers both integrity and origin authentication together is the digital signature itself.


272. Frage
What is the PRIMARY goal of incident handling?

Antwort: A

Begründung:
This is the PRIMARY goal of an incident handling process.
The other answers are incorrect because :
Successfully retrieve all evidence that can be used to prosecute is more often used in identifying
weaknesses than in prosecuting.
Improve the company's ability to be prepared for threats and disasters is more appropriate for a
disaster recovery plan.
Improve the company's disaster recovery plan is also more appropriate for disaster recovery plan. Reference : Shon Harris AIO v3 , Chapter - 10 : Law, Investigation, and Ethics , Page : 727-728


273. Frage
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