It Fundamentals Block 1, Unit 5

Front 1

Operations Security (OPSEC) purpose

Back 1

Reduce vulnerability of Air Force missions by eliminating or reducing successful adversary collection and exploitation of critical information

Front 2

OPSEC applies to all activities that _______, ______, ________during all phases of operations.

Back 2

Prepare, sustain, or employ forces

Front 3

The Air Force uses OPSEC measure to protect its _________.

Back 3

critical information

Front 4

________ is a specific fact about friendly intentions, capabilities, and activities vitally needed by adversaries for them to plan and act effectively so as to guarantee failure for friendly mission accomplishment.

Back 4

Critical information

Front 5

An _________ is a friendly detectable action and open-source information interpreted or pieced together by an adversary to derive critical information.

Back 5

indicator

Front 6

_________ is defined as measures that protect and defend information and information systems by ensuring availability, integrity, confidentiality, authentication, and non-repudiation.

Back 6

Information Assurance (IA)

Front 7

Information Assurance protective measures

Back 7

Identification and Authentication

Access Control

Controlling Maintenance Activities

Configuration Management

Malicious Logic Protection

User Awareness Training

Front 8

______ protects information by using the proper application of cryptographic security, physical security, and transmission security.

Back 8

Communications Security (COMSEC)

Front 9

_______ is the conversion of data into a form that cannot be easily understood by unauthorized people.

Back 9

Encryption

Front 10

_______ is the restoration of encrypted data to its original plain text or other readily usable state

Back 10

Decryption

Front 11

_______ is the use of coding systems to encrypt and decrypt information

Back 11

Cryptography

Front 12

_______ is the science of rying to break a coding system so the information can be revealed

Back 12

Crypto-analysis

Front 13

What are the two programs under COMSEC?

Back 13

CRYPTOSEC

TRANSEC

Front 14

Two types of Protected Distribution System (PDS)

Back 14

Hardened Distribution System

Simple Distribution System

Front 15

_______ is a wire line or fiber-optic telecomm system that includes terminals and characteristics to permit its use for the encrypted transmission of classified info

Back 15

Protected Distribution System (PDS)

Front 16

_______ is all security measures taken to safeguard Air Force information system resources effectively and efficiently.

Back 16

Computer Security (COMPUSEC)

Front 17

Three categories of COMPUSEC vulnerabilities

Back 17

Unauthorized access

Malicious logic

Fraud, Waste, and Abuse

Front 18

A common threat to computer systems is ________ logic. It includes _______, _______, and ________.

Back 18

Malicious

Computer viruses, spyware, and steal-ware

Front 19

Security of encrypted data is based on two things:

Back 19

Strength of cryptographic algorithm

Secrecy of Key

Front 20

Two basic types of cipher cryptosystems

Back 20

Secret-key

Public-key

Front 21

One key is used for both encryption and decryption

Back 21

Secret-key system

Front 22

In a __________, all users are issued two keys, a ______ key and a ______ key.

Back 22

Public key system

public

private

Front 23

In a public-key system, the public key is used to _______ data, the private key is used to _______ data.

Back 23

Encrypt

Decrypt