Network intrusion attacks

Question 1

How are Network interception attacks conducted?

Answer 1

by intercepting network traffic and stealing valuable information or interfering with the transmission in some way.

Question 2

The use of hardware or software tools to capture and inspect data in transit by malicious actors is called?

Answer 2

packet sniffing

Question 3

How can Network inception attacks cause damage to an organisation’s network?

Answer 3

By inserting malicious code modifications or altering the message and interrupting network operations.

Question 4

An attacker intercepts a bank transfer and changes the account receiving the funds to one that they control, is an example of what kind of attack?

Answer 4

Network interception attack

Question 5

On-path attacks and replay attacks are types of?

Answer 5

Network Intrusion attacks

Question 6

What are backdoors?

Answer 6

Weaknesses intentionally left by programmers or system and network administrators that bypass normal access control mechanisms

Question 7

How do backdoors help programmers

Answer 7

Backdoors are intended to help programmers conduct troubleshooting or administrative tasks

Question 8

What does DoS stand for?

Answer 8

Denial of Service attack

Question 9

What is a DoS attack?

Answer 9

An attack that targets a network or server and floods it with network traffic.

Question 10

Name 3 potential consequences of Network attacks:

Answer 10

Financial
Reputation
Public Safety

Question 11

Types of financial consequences of Network attacks:

Answer 11

Loss of revenue due to interrupted operations

Reparation costs: rebuilding software infrastructure and paying large sums associated with potential ransomware.

Heavy litigation and settlement costs if clients/customers seek legal recourse after their personal information has been illegally accessed.

Question 12

Reputation consequences of Network attacks:

Answer 12

Negative impact on the reputation of an organization.
Public concern over the security practices of the organization that has experienced a cyber attack could cause distrust in that company handling their personal information and choosing a competitor.

Question 13

What are the Public safety consequences following a government network attack?

Answer 13

Potential impact on the safety and welfare of the citizens of a country.
If a malicious actor gains access to a power grid, a public water system, or even a military defence comms system, the public could face physical harm.

Question 14

What are the different types of network interception attacks?

Answer 14

Packet sniffing
On-path attacks
Replay attacks

Question 15

How can attackers use packet sniffing to steal information?

Answer 15

By capturing and inspecting data in transit
By intercepting and altering network traffic

Question 16

What are the potential impacts of a backdoor attack?

Answer 16

Installing malware
Performing a denial-of-service (DoS) attack
Stealing private information
Changing security settings

Question 17

How can organizations protect themselves from network interception and backdoor attacks?

Answer 17

a) Implement strong security measures, such as firewalls and intrusion detection systems
b)Use encryption to protect sensitive data
c) Regularly update software and firmware
d) Train employees on cybersecurity best practices

Question 18

What are some real-world examples of network interception and backdoor attacks?

Answer 18

1) The 2014 Target data breach, in which attackers used packet sniffing to steal the personal information of millions of customers

2) The 2017 WannaCry ransomware attack, which exploited a backdoor in Microsoft Windows to infect hundreds of thousands of computers