Public key infrastructure (PKI) -correct answer-A system that manages the creation,
distribution, and revocation of digital certificates.
Public key -correct answer-A cryptographic key that is used for encryption and verifying
digital signatures in asymmetric encryption.
Private key -correct answer-A cryptographic key that is used for decryption and creating
digital signatures in asymmetric encryption.
Key escrow -correct answer-A process where a trusted third party holds a copy of an
encryption key.
Encryption -correct answer-The process of converting plaintext into ciphertext to protect
data confidentiality.
Full-disk encryption -correct answer-The process of encrypting the entire disk to protect all
data stored on it.
Partition encryption -correct answer-The process of encrypting a specific partition on a disk.
File encryption -correct answer-The process of encrypting individual files to protect their
contents.
Volume encryption -correct answer-The process of encrypting a logical volume, which can
span multiple disks or partitions.
Database encryption -correct answer-The process of encrypting a database to protect its
contents.
Record encryption -correct answer-The process of encrypting individual records within a
database.
Transport/communication encryption -correct answer-The process of encrypting data during
transmission to ensure its confidentiality.
Asymmetric encryption -correct answer-A cryptographic system that uses two different keys:
a public key for encryption and a private key for decryption.
Symmetric encryption -correct answer-A cryptographic system that uses the same key for
both encryption and decryption.
Key exchange -correct answer-The process of securely sharing encryption keys between
parties.
Algorithms -correct answer-Mathematical functions used in encryption and decryption
processes.
Key length -correct answer-The size of the encryption key, measured in bits.
,Trusted Platform Module (TPM) -correct answer-A hardware component that provides
secure storage and cryptographic functions.
Hardware security module (HSM) -correct answer-A physical device that generates, stores,
and manages cryptographic keys.
Key management system -correct answer-A system that handles the generation, storage, and
distribution of cryptographic keys.
Secure enclave -correct answer-A secure area within a processor that protects sensitive data.
Obfuscation -correct answer-The process of making something unclear or difficult to
understand.
Steganography -correct answer-The process of hiding secret information within an innocent-
looking carrier file.
Tokenization -correct answer-The process of replacing sensitive data with a non-sensitive
token.
Data masking -correct answer-The process of modifying sensitive data to protect its
confidentiality.
Hashing -correct answer-The process of converting data into a fixed-size string of characters.
Salting -correct answer-The process of adding random data to the input of a hash function to
prevent precomputed attacks.
Digital signatures -correct answer-A cryptographic mechanism to verify the authenticity and
integrity of digital documents.
Key stretching -correct answer-A technique to make a cryptographic key more resistant to
brute-force attacks.
Blockchain -correct answer-A distributed ledger that records transactions across multiple
computers.
Open public ledger -correct answer-A transparent and publicly accessible record of all
transactions in a blockchain.
Certificates -correct answer-Digital documents that bind a public key to an entity.
Certificate authorities -correct answer-Entities that issue and sign digital certificates.
Certificate revocation lists (CRLs) -correct answer-Lists of revoked digital certificates.
Online Certificate Status Protocol (OCSP) -correct answer-A protocol for checking the
revocation status of digital certificates.
Self-signed -correct answer-A digital certificate that is signed by its own private key.
,Third-party Certificate -correct answer-A digital certificate that is signed by a trusted third-
party certificate authority.
Root of trust -correct answer-A trusted entity or component that forms the basis of a
security system.
Certificate signing request (CSR) generation -correct answer-The process of creating a
request for a digital certificate.
Wildcard -correct answer-A type of digital certificate that can be used for multiple
subdomains.
Confidentiality -correct answer-The principle of protecting data from unauthorized access.
Integrity -correct answer-The principle of ensuring accuracy and completeness of data.
Availability -correct answer-The principle of ensuring data is accessible when needed.
Non-repudiation -correct answer-The ability to prove that a specific action or event occurred
and that it was performed by a specific entity.
Authentication -correct answer-The process of verifying the identity of individuals or
systems.
Authorization -correct answer-The process of granting or denying access rights based on
authenticated identity.
Accounting -correct answer-The process of tracking and recording activities for auditing
purposes.
Gap analysis -correct answer-The assessment of the difference between the current and
desired state of security measures.
Zero Trust -correct answer-A security model that requires continuous verification and
authentication for all users and devices, assuming no trust by default.
Control Plane -correct answer-The network component that manages access to resources
and enforces security policies.
Adaptive identity -correct answer-A control plane component that dynamically adjusts
access privileges based on user behavior and context.
Threat scope reduction -correct answer-A control plane technique that limits the exposure
of resources to potential threats.
Policy-driven access control -correct answer-A control plane approach that enforces access
rules based on predefined policies.
Policy Administrator -correct answer-A control plane component responsible for managing
and defining security policies.
, Policy Engine -correct answer-A control plane component that evaluates and enforces
security policies.
Data Plane -correct answer-The network component that handles data traffic
Implicit trust zones -correct answer-Data plane areas where trust is assumed, allowing
communication without additional authentication.
Subject/System -correct answer-Entities within the data plane that interact with each other.
Policy Enforcement Point -correct answer-A data plane component that enforces security
policies and controls access to resources.
Physical security -correct answer-Measures taken to protect physical assets and prevent
unauthorized access.
Bollards -correct answer-Physical barriers used to control or block vehicle access.
Access control vestibule -correct answer-A small enclosed area designed to control access to
a building or secure area.
Fencing -correct answer-Physical barriers used to enclose and protect an area.
Video surveillance -correct answer-The use of cameras to monitor and record activities in a
specific area.
Security guard -correct answer-A person responsible for monitoring and protecting a specific
area or property.
Access badge -correct answer-A physical or electronic card used to grant access to a secure
area.
Lighting -correct answer-Illumination used to enhance visibility and deter unauthorized
access.
Sensors -correct answer-Devices used to detect and respond to specific environmental
conditions.
Infrared -correct answer-A type of sensor that detects heat radiation.
Pressure -correct answer-A type of sensor that detects changes in pressure.
Microwave -correct answer-A type of sensor that uses microwave radiation to detect
movement.
Ultrasonic -correct answer-A type of sensor that uses sound waves to detect objects or
movement.
Deception and disruption technology -correct answer-Techniques and tools used to mislead
or disrupt attackers.