module 5

Question 1

how much will cybercrime cost the world economy by 2025

Answer 1

$10.5 trillion annually

Question 2

costs of cyber crime

Answer 2

loss of revenue
stolen identities, intellectual property and trade secrets
damage to companies and individuals reputations
expense of enhancing and upgrading a compnays cyver security
loss of business info

Question 3

spyware

Answer 3

software gathers info about users while connected to the internet

Question 4

adware

Answer 4

form of spyware that collects info about the user to determine ads to display

Question 5

phishing

Answer 5

sending fradulent emails that seem to come from legit sources

Question 6

pharming

Answer 6

like phising but the official website of an org is hijacked by altering website IP address via a domain name system

Question 7

baiting

Answer 7

similar to phishing attacks but baiter gives recipient a promise (free software/giftcard)

Question 8

quid pro quo

Answer 8

Similar to baiting but involves a hacker requesting the exchange of critical data or login information in exchange for a service or prize

Question 9

SMSishing

Answer 9

technique that tricks user to download malware onto mobile devicei

Question 10

vishing

Answer 10

using voice technology that tricks user into revealing important financial or personal info to unauthorized entities

Question 11

keystroke loggers

Answer 11

software or hardware devices that monitor and record keystrokes

Question 12

sniffing

Answer 12

capture and record network traffic

Question 13

spoofing

Answer 13

attempt to gain access to a network by posing as an authorized user

Question 14

computer fraud

Answer 14

unauthorized use of computer data for personal gain

denial of service attacks
identity theft
software piracy

Question 15

viruses

Answer 15

self propagating program code that is triggered by a specified time or event

attaches to other files continuously
transmitted through the network, email or mssg boards

Question 16

worms

Answer 16

indept programs that can spread without attaching a host programs

eats up computer resources
does not usually erase data

Question 17

trojan programs

Answer 17

contain code intended to disrupt a computer, network or website

hidden inside popular program
can erase data
do not replicate

Question 18

logic bombs

Answer 18

type of trojan program used to release a virus, worm, or other destructive code

triggered at certain tiem or event

Question 19

backdoors (or trapdoor)

Answer 19

programming routine built into a system

enables the designer or programmer to bypass security at a later time

Question 20

blended threats

Answer 20

combines characteristics of viruses, worms and malicious codes with vulnerabilities on networks

embedding malicious codes in the servers HTML files
sending unauthorized emails from compromised servers with a worm attachment

Question 21

rootkits

Answer 21

series of software tools that enable unauthorized access to computer or network system

Question 22

denial of service attack (DOS)

Answer 22

flood a network or server with service requests to prevent legitimate users access to the system

Question 23

distributed denial of service (DDoS)

Answer 23

thousands of computers work together to floor a website to cause it to fail

Question 24

botnet

Answer 24

network of computers and IoT devices infected with malicious software and controlled as a group

Question 25

TDOS telephone DOS

Answer 25

high volumes of automated calls flood a target phone system, halting incoming and outgoing calls

Question 26

social engineering

Answer 26

using people skills to trick others into revealing private ingo

Question 27

comprehensive securirty system should have

Answer 27

acess controls
data encryptions

Question 28

biometric security measures

Answer 28

physiological element unique to a person that cannot be stolen, lost, copied or passed on to others.

Question 29

thee main nonbiometric secuirty measures

Answer 29

callback modems
firewalls
intrusion detection systems

Question 30

intrusion detection system

Answer 30

protects external and internal access

placed in front of a firewall
identifies attack signatures, traces pattersn and generates alarms

Question 31

data encryption

Answer 31

transforms plaintext data into a scrambled form called ciphertext that cannot be read by others

SSL
TLS