Computer Security Chapter 12

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Questions and Answers

What does the term 'malware' refer to?

Hardware damage

Network configuration

Internet speed issues

Malicious software (correct)

How does a computer virus typically infect another computer?

Via system updates

By attaching itself to documents or software (correct)

By accessing the internet directly

Through direct network connections

What is a characteristic of a Trojan horse?

It behaves like a useful program but contains malicious code (correct)

It replicates itself to other systems

It deletes files on the computer

It can only be installed through USB drives

What is the primary function of worms in malware?

To slow or disrupt network operations Signup and view all the answers

What should individuals regularly do to protect their computers from malware?

Use antivirus and update it regularly Signup and view all the answers

What is the main goal of phishing attacks?

To convince users to share personal information Signup and view all the answers

Which type of malware is designed to replicate and spread automatically?

Worm Signup and view all the answers

Why do organizations often have written security policies regarding software installation?

To prevent unauthorized software installations Signup and view all the answers

What are smart watches designed to combine?

The functions of a watch and some mobile device functions Signup and view all the answers

Which feature is common in most smart watches?

Touchscreen display Signup and view all the answers

What is the primary purpose of fitness monitors?

To track daily activity and body metrics Signup and view all the answers

How do smart headsets primarily connect to the internet?

By connecting to a smartphone Signup and view all the answers

What type of devices are considered wearable devices?

Smartwatches and fitness trackers Signup and view all the answers

What is a unique feature of smart headsets?

They have a display visible to the wearer Signup and view all the answers

Which statement is true about the functionality of laptops and mobile devices?

They can operate on battery power and are lightweight. Signup and view all the answers

Which of the following can fitness monitors do?

Upload activity data for review Signup and view all the answers

What is the primary function of antivirus protection?

To continuously monitor for viruses Signup and view all the answers

Which type of protection warns users about unsafe programs before they are installed?

Trusted / untrusted sources protection Signup and view all the answers

What action should you take when encountering a suspicious warning window?

Close the tab or browser Signup and view all the answers

Why is it recommended to run only one malware protection program at a time?

Multiple programs can conflict with each other Signup and view all the answers

What is the role of phishing protection software?

To block IP addresses of known phishing sites Signup and view all the answers

What might a rogue antivirus product do to trick users?

Pretend to clean an actually infected computer Signup and view all the answers

What is a common method to handle a persistent malicious warning window?

Press ALT+F4 to close the window Signup and view all the answers

What type of software actively searches for programs that display advertisements?

Adware protection Signup and view all the answers

What action is used to zoom in on objects on a mobile device?

Touch the screen with two fingers and spread them apart Signup and view all the answers

What is the purpose of a proximity sensor in a smartphone?

To turn off the touchscreen when near the user's ear Signup and view all the answers

What feature distinguishes laptops from desktop computers?

Laptops are typically more lightweight. Signup and view all the answers

Which of the following is NOT a common input device found in laptops?

Monitor Signup and view all the answers

Which of the following describes accessories for mobile devices?

They enhance the user experience but are not necessary. Signup and view all the answers

What kind of power source do laptops use?

Either battery or AC power adapter Signup and view all the answers

What can protective covers for mobile devices protect against?

Water damage and physical damage Signup and view all the answers

What is the primary function of external batteries or portable chargers?

To provide extra power for mobile devices while on the go Signup and view all the answers

Where are the LEDs indicating device status commonly located on a laptop?

Below the display screen or above the keyboard Signup and view all the answers

What is a defining characteristic of mobile devices compared to laptops?

They have a touchscreen for input. Signup and view all the answers

What feature do most docking stations have?

They allow easy connection and act as a charger. Signup and view all the answers

How does the CPU architecture of mobile devices differ from that of laptops?

Mobile devices have a reduced instruction set. Signup and view all the answers

What is a primary benefit of using headsets or ear buds?

They allow for hands-free phone conversations. Signup and view all the answers

Which of the following accessories can be used for processing credit card payments?

Credit card readers Signup and view all the answers

Which of the following is a built-in input device typically found on laptops?

Pointing stick Signup and view all the answers

What is the primary reason for the increasing popularity of laptops and mobile devices?

Their size and weight have decreased, enhancing portability. Signup and view all the answers

What is spear phishing?

A phishing attack targeted at a specific individual or organization. Signup and view all the answers

What is a primary characteristic of spam?

It is unsolicited email often used for advertising. Signup and view all the answers

Why are organizations encouraged to educate users about phishing?

Users may frequently be targeted by attackers. Signup and view all the answers

What should a user do if they are unsure about a request for personal information?

Contact the organization by mail or phone for verification. Signup and view all the answers

What usually causes the bulk sending of spam emails?

Multiple computers infected by viruses or worms. Signup and view all the answers

What is an effective measure against spam?

Installing software that automatically filters spam. Signup and view all the answers

What does social engineering involve?

Deceiving individuals into revealing sensitive information. Signup and view all the answers

What is a common misconception about email attachments?

Attachments from trusted contacts are safe. Signup and view all the answers

Study Notes

Chapter 12: Security

This chapter reviews types of attacks threatening computer security.
Technicians are responsible for data and equipment security.
Understanding physical and data threats is crucial for protection.
Physical threats involve stealing, damaging, or destroying equipment (e.g., servers, wiring).
Data threats involve removing, corrupting, denying access, or stealing information.

Types of Security Threats

Malware: software designed for malicious activities.
Malware is often installed without user knowledge and can change computer configurations or redirect web browsers.
Malware can collect information without consent.
Virus: a form of malware that spreads via files, transfers, emails, and instant messages.
Worm: self-replicating malware damaging networks.
Trojan horse: malware disguised as a useful program.

Phishing

Phishing involves deceitful emails, calls, or texts to trick users into providing personal or financial information.
Attackers often impersonate legitimate organizations like banks.

Spam

Unsolicited email often used for advertising, harmful links, or malware distribution.
Spam is filtered by ISPs and antivirus software.
Opening suspicious attachments can spread malware.

Attackers manipulate individuals to gain access to networks or equipment.
Employees should be cautious and verify requests before divulging information.
Precautions include not giving out login details, securing computer areas, and verifying the identity of visitors.

Security Procedures

Security policy: a set of objectives ensuring network, data, and system security.
Security policies are dynamic, adapting to changing technologies, businesses, and employee needs.
Security policy is usually created and managed by organizational management and the IT staff.
Usernames and passwords: should adhere to a standard naming convention.
Passwords are crucial for security and should not be revealed.

Protection Against Malicious Software

Malware protection programs: include antivirus, anti-spyware, and anti-adware software.
Regularly updating malware protection software is essential.
Malware programs continuously monitor for malware.
Running multiple malware protection programs simultaneously is discouraged.
Rogue antivirus programs are malicious software disguised as security tools. Be cautious about downloading and installing unverified programs.
Organizations should scan for threats regularly to ensure systems are secure.

Summary

Security threats can come from inside or outside the organization.
Viruses, worms, and Trojans can compromise data or physical equipment.
Develop security plans to protect data and physical equipment.
Keep operating systems and applications up-to-date.

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Description

This quiz covers Chapter 12 of computer security, focusing on various types of attacks and threats. It discusses the importance of securing both physical equipment and data against malware, viruses, worms, and phishing. Test your knowledge on these critical concepts to protect against security breaches.