Technical Terms - Internet (A-Z) - Botnet

What is a botnet?

• A group of computers used for distributed computing

• A group of computers used for scientific processing

• A group of computers controlled by multiple sources

• A group of computers controlled by a single source

How are computers compromised to create a malicious botnet?

• By exploiting a security hole through a firewall

• By exploiting a security hole through an operating system

• By exploiting a security hole through a chat program

• By exploiting a security hole through a Web browser

What can a hacker do once access to several computers is gained?

• Run manual programs on all systems at the same time

• Run manual programs on one system at a time

• Run automated programs on all systems at the same time

• Run automated programs on one system at a time

What are some purposes for which a hacker may create a botnet?

• Spreading viruses, sending e-mail spam, and hacking databases

• Spreading malware, sending e-mail spam, and crashing Web servers

• Spreading malware, sending e-mail spam, and hacking databases

• Spreading viruses, sending e-mail spam, and crashing Web servers

How can large botnets be detected and dismantled?

• By triggering an alert at ISPs due to unusual bandwidth usage

• By using a rootkit attack

• By avoiding the use of multiple computers

• By hiding the activity within regular processes

Why do users often not know that their computers are part of a botnet?

• Because hackers hide their intrusion within regular processes

• Because hackers reveal their intrusion openly

• Because users have strong firewalls

• Because users are always aware of botnet activity

What is recommended to prevent computers from becoming part of a botnet?

• Avoiding the use of the Internet and turning off the computer

• Installing antivirus software and regularly checking for intrusions

• Installing antivirus software and turning off the firewall

• Avoiding the use of the Internet and using a VPN

What is the default setting for a system firewall?

• Depends on the antivirus software

• Turned off

• Turned on

• Depends on the operating system

What is the term used to refer to multiple computers infected with malicious software?

• Virustnet

• Malwarenet

• Botnet

• Hackernet

What might lead to the discovery and dismantling of a botnet?

• Hiding the activity within regular processes

• Using a rootkit attack

• Triggering an alert at ISPs due to unusual bandwidth usage

• Avoiding the use of multiple computers