security issues

Question 1

brute force attack

Answer 1

where criminals use
trial and error to hack an account by trying
thousands of different passwords

Question 2

Phishing

Answer 2

impersonate legitimate companies (such as banks) and ask you

to give away sensitive information.

Question 3

Denial of Service Attacks (DoS)

Answer 3

bringing down websites by using up the web server’s resources.

or

sends large amounts of data to a wifi router

Question 4

SQL Injections

Answer 4

stands for Structured Query Language and is used to lookup data in a database.

eg. With SQL injections, you can ‘bolt on’ some SQL to the end of your password. This will then
alter the SQL statement and allow you to access the accounts of other users.

Question 5

People - Social engineering

Answer 5

act of manipulating people

is often used by criminals to
force people to make mistakes

which can compromise a network’s security.

Question 6

Network Policies

Answer 6

Use complex passwords

Have different levels of access (only certain people in a company can access sensitive data)

Lock computers if the user leaves their desk

Question 7

Penetration Testing

Answer 7

where a company will invite / employ experts to try to simulate a range
of network attacks

Question 8

Firewalls

Answer 8

firewall monitors the data which flows

Question 9

Encryption

Answer 9

data is scrambled before being sent across a network so that its
unreadable if intercepted.