Threats posed to networks

Question 1

Malware

Answer 1

-Software designed to damage/corrupt/gain unauthorized access to the computer
-Deleting files, slowing down computer, crashing the computer

Ways to prevent it:
-Firewalls
-Spam Filters
-Antivirus

Question 2

Phishing

Answer 2

-Illegally gaining someone’s financial info
-Withdrawing money
-open new bank accounts
-cash illegitimate checks

Question 3

Brute Force Attacks

Answer 3

-Generating repeated password attempts to gain unauthorized access to a system
-Include theft disclosure of corporate data

Ways to prevent it:
-2 factor authentication
-Network lockout policy

Question 4

Denial of Service attacks

Answer 4

-Loss of access for customers
-lost revenue
-reduced productivity
-reputational damage

Ways to prevent it:
-Strong Firewalls
-Packet filters
-Web server configuration

Question 5

Data intercept and theft

Answer 5

-Compromising and gaining access to usernames and passwords to gain unauthorized access to a system or computer

Ways to prevent it:
-Encryption
-virtual networks
-investigating network vulnerabilities

Question 6

SQL injection

Answer 6

-Overloading a database to gain access to private data
-Could also include deleting/selling/changing that data

Ways to prevent it:
-Input box validation
-Parameter queries
-setting database permissions

Question 7

Social Engineering

Answer 7

-Human error and the mistakes humans make(not the computer’s error)
-example is clicking on a strange link and gaining a virus or giving away private details and passwords on unknown websites

Ways to prevent it:
-Firewalls
-Don’t give away private info on unfamiliar websites or links
-ignore spam emails or texts