Day 6 Reversed

Question 1

GCM

Answer 1

Galois Counter Mode

Useful for protecting packet data as it has little latency and minimum operation overhead.

Question 2

GDPR

Answer 2

General Data Protection Regulation

A law from the European Union that directs protection and privacy of personal information.

Question 3

GPG

Answer 3

Gnu Privacy Guard

The free incarnation of a popular cryptosystem, commonly used to secure email.

Question 4

GPO

Answer 4

Group Policy Object

A feature of Windows that provides centralized management of configuration and settings.

Question 5

GPS

Answer 5

Global Positioning System

A satellite-based protocol that can closely identify the location or asset.

Question 6

GPU

Answer 6

Graphic Processing Unit

These processors have an alternate use in discovering keys and cracking.

Question 7

GRE

Answer 7

Generic Routing Encapsulation

An old and standard protocol that inserts one packet within another.

Question 8

HA

Answer 8

High Availability

Ensuring that system uptime extends longer than what it normally would.

Question 9

HDD

Answer 9

Hard Disk Drive

A mass storage system, typically implemented with spinning platters and heads that perform reading and writing.

Question 10

HIDS

Answer 10

Host-based Intrusion Detection System

A defensive application that identifies anomalous or malicious activities within a device.

Question 11

HIPS

Answer 11

Host-based Intrusion Prevention System

A defensive application that prevents anomalous or malicious activities within a device.

Question 12

HMAC

Answer 12

Hashed Message Authentication Code

Implementing non-repudiation via an exchanged value and hashing.

Question 13

Honeynet

Answer 13

Honeypot Network

A sophisticated system designed to locate, discover, distract and otherwise observe malicious behavior.

Question 14

Honeypot

Answer 14

Fake Target

Used to identify and distract hackers.

Question 15

Host Firewall

Answer 15

Software firewall

The last line of defense for a system against a malicious intranet host.

Question 16

Host File

Answer 16

Local resolver

This is a file wherein the system manager may define their own names to resolve IP addresses.

Question 17

HOTP

Answer 17

HMAC-based One-Time Password

Performs authentication by requiring a user to enter a system generated code into a hashing or calculating algorithm that produces a response.

Question 18

HSM

Answer 18

Hardware Security Module

These key management systems are ideally suited for automated private key transactions that require strong security.

Question 19

HSMaaS

Answer 19

Hardware Security Module as a Service

A cloud-based service that allows customers to create, manage and implement encryption keys.

Question 20

HTML

Answer 20

Hypertext Markup Language

The scripting used by browsers to interpret and display content.

Question 21

HTTP

Answer 21

Hypertext Transfer Protocol

The means by which HTML and images are viewed and accessed by browsers.

Question 22

HTTPS

Answer 22

Hypertext Transfer Protocol over SSL/TLS

Performing HTTP over an encrypted channel.

Question 23

HVAC

Answer 23

Heating, Ventilation and Air Conditioning

The heating, cooling and other environmental aspects of a building.

Question 24

IaaS

Answer 24

Infrastructure as a Service

Implementing cloud-based networks, servers and other infrastructure.

Question 25

IAM

Answer 25

Identity and Access Management The policies, procedures and technologies that facilitate ensuring that only the appropriate personnel have access to resources in an organization.

Question 26

ICMP

Answer 26

Internet Control Message Protocol A multifunctional protocol designed to perform network testing and report errors.

Question 27

ICS

Answer 27

Industrial Control Systems Semi-intelligent devices used to control industrial or scientific equipment from central consoles.