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WorksheetsCybersecurity and Computer Security
Total questions: 66
Worksheet time: 33mins
Which statement best distinguishes computer security from cybersecurity?
Computer security protects physical hardware and software
Cybersecurity protects only physical devices from damage
Computer security protects only internet-connected networks
Cybersecurity ignores networks, applications, and information
What is a vulnerability in a computer system?
A backup that restores files after a natural disaster
A legal method for employees to bypass login steps
A weakness that allows unauthorized access or tampering
A scheduled update that changes security settings
Which outcome is MOST directly linked to vulnerabilities?
Guaranteed protection against outsider threats
Permanent prevention of all malware infections
Faster processing of authorized user requests
Unauthorized access leading to further unauthorized actions
Which example best fits a physical security threat?
A laptop being stolen from a classroom
A cloud drive syncing overnight backups
A user forgetting a complex password
A firewall blocking suspicious traffic
Computer viruses and malware primarily aim to do what?
Speed up applications during heavy use
Encrypt all files for safe cloud storage
Provide legal tracking of user activities
Access, modify, or destroy system resources
In organizations, which threat involves breaches by insiders or outsiders across connected machines?
Only viruses targeting a single application
Only loss of power during a storm
Only physical damage to individual laptops
Network security threats within a computer network
Who can be cyber criminals according to the material?
Current employees with grievances
Only on-site security guards
Former employees with access knowledge
Random strangers with no connection
Which description best defines an internal attack?
An attack by someone within or formerly in the organization
An attack that never involves disagreements at work
An attack that targets hardware damage only
An attack only by strangers with no organization ties
External attacks are typically performed by which group?
Employees disagreeing with company policy
Only managers with administrative duties
Only former employees with login details
Persons without connection to the organization
Structured attacks are usually carried out by people who have what?
Knowledge and experience in unauthorized access
Little to no understanding of what they are doing
Permission from administrators to test systems
Only physical access without any credentials
Unstructured attacks are most often associated with which trait?
Highly trained experts planning every step
Authorized technicians following company policy
Little knowledge or awareness of consequences
Only automated tools with zero human input
Which statement accurately describes countermeasures?
Policies that allow all employees administrator rights
Plans or actions that prevent or limit cyber attacks
Programs designed mainly to speed up computers
Methods for ignoring unauthorized user behavior
What is the main purpose of user tracking as a countermeasure?
Allow password sharing among team members
Erase records of unsuccessful login attempts
Disable usernames for faster sign-ins
Provide accountability by logging user activities
Backup and recovery primarily address which situations?
Minor typos made by users in documents
Natural disasters or disruptions damaging systems
Temporary slowdowns on office Wi‑Fi
Routine installation of new applications
Which practice aligns with backup and recovery?
Deleting older backups to save all local space
Encrypting passwords on sticky notes for reuse
Keeping the only copy of files on a local desktop
Storing copies on DVDs, hard drives, or external media
Why might cloud storage be used as a countermeasure?
It replaces all external drives in every situation
It offers online storage when local capacity is limited
It removes the need for usernames and passwords
It guarantees hackers cannot reach any files
What function do firewalls provide in a networked computer?
Defend against hackers or malicious software access
Increase screen brightness for better visibility
Replace antivirus and backups in all cases
Allow unrestricted inbound connections for speed
Which pair correctly matches attack type with a likely actor?
Structured attack — people unaware of consequences
Internal attack — current or former employee
External attack — only people with company badges
Unstructured attack — experts with detailed plans
Which scenario best illustrates cyberbullying?
Reporting a fake account to platform support
Posting degrading memes about a classmate
Sharing a school event flyer with classmates
Sending encrypted homework through secure email
Backing up photos to a private hard drive
A student downloads a song and sells copies without permission. What misuse is this?
Public domain use
Open-source sharing
Data backup practice
Copyright infringement
Fair use parody
Data theft most commonly involves which action?
Sharing Wi‑Fi with family members
Encrypting drives for protection
Deleting personal files by accident
Unauthorized access to restricted information
Using strong multifactor passwords
What is the primary effect of a Denial of Service (DoS) attack?
Blocking access to online services
Stealing credit card numbers
Improving network connection speeds
Encrypting files for safe storage
Installing office productivity tools
Which statement about computer viruses is accurate?
They are manual updates performed monthly
They are legal patches fixing vulnerabilities
They are harmless files improving speed
They are illicit instructions contaminating programs
They are hardware devices blocking malware
Which items are examples of malware types?
Network switch
Trojan
Word processor
Spyware
Ransomware
Identity theft involves someone doing what?
Backing up contacts to the cloud
Changing a username after graduation
Pretending to be another person for gain
Borrowing a device with permission
Using nicknames on social media
Which best describes online publication of obscene materials?
Archiving family photos in private cloud
Streaming age‑rated movies with consent
Uploading open educational resources
Posting school announcements for parents
Sharing content not fit for public viewing
A message asks you to verify your bank password on a realistic-looking site. What attack is occurring?
Brute-force attack
DoS attack
Shoulder surfing
Packet sniffing
Phishing attack
Which delivery methods can spread computer viruses?
Printed flyers
Local bulletin boards online
Network file shares
Shared USB flash drives
Email attachments
Software piracy MOST likely includes which behavior?
Testing beta versions with permission
Buying licenses through school programs
Installing updates from official channels
Downloading drivers from vendor websites
Copying and selling software without authorization
Financial abuses using computers often involve what practice?
Reconciling accounts each quarter
Auditing transactions for accuracy
Training staff on fraud awareness
Encrypting databases for compliance
Tampering with financial data to mislead
Which action is an example of a violation of privacy by hackers?
Encrypting emails to protect messages
Using two-factor authentication daily
Cracking passwords to read confidential data
Resetting your own forgotten password
Logging out of shared computers
Which statement about propaganda is correct?
It requires government approval always
It never uses electronic communication
It only exists in printed newspapers
It provides unbiased complete information
It selectively presents facts to sway attitudes
Electronic eavesdropping is best defined as what?
Monitoring public websites for research
Unauthorized real-time interception of communication
Scheduled recording with user consent
Scanning networks for open-source data
Storing emails for legal discovery
Which are appropriate defenses against data theft mentioned in the material?
Firewalls
Encryption
Default passwords
Unsecured public Wi‑Fi
Authentication methods
Which outcomes are potential impacts of cyberbullying on victims?
Improved academic performance
Enhanced online safety skills
Severe emotional distress
Viral sharing of humiliating content
Self-harm
Which activities are typical of phishing tactics?
Physically stealing debit cards
Directing users to a fake website
Encrypting drives for backups
Requesting usernames and passwords
Masquerading as a trusted entity
What best describes industrial espionage in the context of computer misuse?
Legally sharing market data to improve industry standards
Openly publishing company research for public awareness
Illegally obtaining confidential information for business advantage
Ethically auditing competitors with their full consent
Which scenario is an example of industrial espionage enabled by computers?
A researcher cites public reports to study market trends
An employee accesses a rival’s system to steal a secret recipe
A company encrypts customer records for stronger protection
Two firms collaborate under a signed non-disclosure agreement
Which statement best describes data integrity in computing?
Confidential sharing between trusted employees
Speed of retrieving records from databases
Ability to store large volumes of information
Accuracy and completeness of data over time
Which situation is a common threat to data integrity?
Upgrading to faster solid-state drives
Accidental deletion by a user during editing
Using a strong, unique passphrase
Installing licensed productivity software
Data security focuses on which primary goal?
Protecting data from unauthorized access
Compressing files to save disk space
Organizing folders for easy searching
Improving computer processing speed
Cybersecurity threat mitigation is best defined as
Purchasing the newest hardware every year
Encrypting every file on a personal computer
Blocking all internet traffic permanently
Policies and processes to prevent and limit attacks
Which option lists only physical countermeasures?
Patch management, updates, spam filtering, backups
Password managers, software firewalls, data masking
Encryption, antivirus, strong passwords, biometrics
Backup and recovery, hardware firewall, IDS, biometrics
Which option lists only software countermeasures?
Hardware firewall, tape rotation, door locks, CCTV
Air conditioning, surge protectors, guards, safes
Effective passwords, authentication systems, encryption, antivirus
Backups, RAID mirroring, cable management, biometrics
Backup and recovery primarily protects against which problem?
Loss or damage of original data copies
Unauthorized shoulder surfing in offices
Slow network speeds during peak hours
Excessive power consumption by servers
A good practice for backups described in the material is to
Rely only on automatic recycle bins
Keep all copies on the same hard drive
Store copies on a separate system or medium
Encrypt nothing to speed up restores
What is the main role of a hardware firewall according to the course?
Provide physical storage for archived files
Defragment disks for faster data access
Scan documents for grammar and spelling
Filter traffic between external networks and servers
Intrusion Detection Systems (IDS) are used to
Back up data to offsite tape libraries weekly
Monitor networks for malicious activity or violations
Replace failed components during maintenance
Accelerate CPU performance for heavy workloads
Which is a typical example of biometrics in security?
Email alerts for password expiration dates
Random four-digit personal identification numbers
Secret questions about childhood pets
Fingerprint or facial recognition scans
In security, a password is best described as
A backup file kept on removable media
A firewall rule blocking inbound packets
A physical card permitting building entry
A string of characters granting system access
An authentication system mainly
Reorganizes folders by time and date
Cleans malware from infected endpoints
Compresses files into a smaller archive
Identifies users requesting access to resources
Data encryption transforms plaintext into ciphertext so that
Anyone can view it without special credentials
It permanently deletes the original information
Files always become smaller to save storage space
Only authorized parties can read it after decryption
Why must a decryption key be protected?
It unlocks encrypted data to readable form
It increases CPU speed during heavy tasks
It connects printers to the local network
It licenses software for multiple devices
A software firewall typically creates a barrier between
Two storage drives inside a single server
A trusted network and an untrusted network
A user and the graphical user interface
A processor and the system cooling fan
Which statement about antivirus and malware detection software is correct?
It detects, prevents, and removes malicious software
It replaces hardware firewalls with faster routing
It guarantees no future infections or threats
It schedules backups and restores without input
Which items are MOST likely to help maintain both data integrity and security?
Intrusion detection systems
Sharing passwords safely
Regular verified backups
Strong authentication
Ignoring software updates
Which action best verifies a website’s authenticity before entering credentials?
Check the URL for spelling and padlock icon
Rely on long terms and conditions pages
Trust sites with many colorful animations
Click pop-up banners offering security scans
What is the primary risk of using open Wi‑Fi networks without protection?
Hackers can easily intercept your data
Batteries drain faster on devices
Routers will overheat and shut down
Websites will load significantly slower
Which combination is the best way to secure a mobile device?
Use strong passwords and enable biometrics
Disable updates and avoid screen locks
Install many flashlight and wallpaper apps
Share unlock codes with trusted friends
Which practice most directly protects privacy in online environments?
Limit personal data shared on social media
Accept all friend requests from strangers
Post location tags on every photo
Store passwords in plain text notes
Email authenticity can be improved by validating domain ownership of message transfer agents. What is the goal of this process?
Encrypt attachments with random passwords
Provide verifiable information about message origins
Reduce the number of emails in the inbox
Speed up internet connections for users
Which measures are examples of software countermeasures?
Intrusion detection and biometrics
Firewalls and data encryption
Antivirus and authentication systems
Backups and hardware firewalls
Which items are primarily physical countermeasures?
Authentication systems and passwords
Data encryption and antivirus
Hardware firewalls and biometrics
Backup and recovery procedures
Individuals can reduce cyber‑attack risk by which personal security practices?
Authenticating email sources
Limiting access to open Wi‑Fi
Over‑sharing personal information
Securing mobile devices
When connecting on public Wi‑Fi at a café, which action best mitigates risks?
Use a trusted VPN while browsing
Turn off the device screen brightness
Share the hotspot password with others
Disable all security features temporarily
Which statement best summarizes the three categories of countermeasures?
Hardware, gaming, and entertainment tools
Marketing, finance, and legal strategies
Printing, shipping, and storage methods
Physical, software, and individual practices
