Safe browsing habits in Intro to Computing - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is 'safe browsing'?

Safe browsing means using the internet carefully to avoid risks like viruses, scams, or stealing personal information.

beginner

Why should you avoid clicking on unknown links in emails or messages?

Unknown links can lead to harmful websites that try to steal your information or install viruses on your device.

beginner

What is a strong password and why is it important?

A strong password is long, uses letters, numbers, and symbols, and is hard to guess. It protects your accounts from being hacked.

intermediate

How does using HTTPS help keep you safe online?

HTTPS means the website encrypts your data, so others can’t easily see or steal what you send or receive.

intermediate

What should you do if a website asks for more personal information than necessary?

Be cautious and avoid giving extra personal details. Only share what is needed and on trusted websites.

Which of these is a sign of a safe website?

A The website address starts with 'https://'

B The website has many pop-up ads

C The website asks for your password immediately

D The website looks very colorful

Websites starting with 'https://' use encryption to protect your data, making them safer.

What should you do if you receive an email from an unknown sender with a link?

A Click the link to see what it is

B Reply asking who they are

C Delete the email without clicking the link

D Forward it to friends

Deleting unknown emails without clicking links helps avoid phishing and malware.

Which is the best way to create a strong password?

A Use a mix of letters, numbers, and symbols

B Use 'password123'

C Use your pet’s name

D Use your birthdate

Strong passwords mix letters, numbers, and symbols to make guessing difficult.

Why should you avoid sharing too much personal info online?

A It helps websites remember you

B It can slow down your internet

C It makes websites load faster

D It can be used by bad people to harm you

Sharing too much personal info can lead to identity theft or scams.

What is phishing?

A A way to catch fish online

B A scam to trick you into giving personal info

C A type of website design

D A method to speed up browsing

Phishing tricks people into sharing private info by pretending to be trustworthy.

Explain how you can recognize a safe website and why it matters.

Think about what you see in the website address bar.

Describe three habits you should follow to stay safe while browsing the internet.

Consider what keeps your information and device safe.

Practice

1. Which of the following is a sign that a website is secure for browsing?

easy

A. The website URL starts with https:// and shows a padlock icon

B. The website has many colorful images

C. The website loads very quickly

D. The website has a lot of advertisements

Solution

1. Step 1: Identify website security indicators

   Secure websites use https:// and display a padlock icon to show encrypted connection.

2. Step 2: Compare options with security signs

   Only The website URL starts with https:// and shows a padlock icon mentions these security signs, others are unrelated to security.

3. Final Answer:

   The website URL starts with https:// and shows a padlock icon -> Option A

4. Quick Check:

   Secure website = https:// + padlock [OK]

Hint: Look for https and padlock to confirm security [OK]

Common Mistakes:

• Thinking fast loading means secure
• Assuming colorful design means safety
• Ignoring the URL prefix

2. Which of these is the correct way to check if a link is safe before clicking?

easy

A. Click the link quickly to see where it goes

B. Hover over the link to see the full URL before clicking

C. Ignore the link if it looks colorful

D. Copy the link and paste it into a chat

Solution

1. Step 1: Understand how to preview links safely

   Hovering over a link shows the full URL without clicking, helping to check if it looks trustworthy.

2. Step 2: Evaluate other options

   Clicking quickly or ignoring based on color is unsafe; copying to chat doesn't verify safety.

3. Final Answer:

   Hover over the link to see the full URL before clicking -> Option B

4. Quick Check:

   Hover to preview link = safe check [OK]

Hint: Hover to preview link URL before clicking [OK]

Common Mistakes:

• Clicking links without checking
• Judging safety by colors only
• Sharing links without verifying

3. What will happen if you connect to public Wi-Fi without using a VPN?

medium

A. Your device will automatically block all websites

B. Your device will become invisible to hackers

C. Your internet speed will be faster and safer

D. Your data might be intercepted by others on the same network

Solution

1. Step 1: Understand risks of public Wi-Fi

   Public Wi-Fi networks are often unsecured, allowing others to intercept data if no protection like VPN is used.

2. Step 2: Analyze each option

   Only Your data might be intercepted by others on the same network correctly describes the risk; others are false or misleading.

3. Final Answer:

   Your data might be intercepted by others on the same network -> Option D

4. Quick Check:

   Public Wi-Fi without VPN = data risk [OK]

Hint: Public Wi-Fi without VPN risks data interception [OK]

Common Mistakes:

• Assuming public Wi-Fi is always safe
• Believing device blocks all sites automatically
• Thinking speed improves security

4. You receive an email with a link that looks suspicious. What is the best way to check it safely?

medium

A. Click the link to see if it asks for personal info

B. Forward the email to friends to ask if it is safe

C. Hover over the link to check the URL and do not click if suspicious

D. Reply to the email asking if the link is safe

Solution

1. Step 1: Identify safe link checking method

   Hovering over the link reveals the URL without clicking, helping to spot suspicious addresses safely.

2. Step 2: Evaluate unsafe options

   Clicking or replying risks exposure; forwarding spreads potential threats.

3. Final Answer:

   Hover over the link to check the URL and do not click if suspicious -> Option C

4. Quick Check:

   Hover to check suspicious links safely [OK]

Hint: Hover, don't click suspicious email links [OK]

Common Mistakes:

• Clicking suspicious links
• Sharing suspicious emails
• Replying to unknown senders

5. You want to download a free app from a website. Which combination of safe browsing habits should you follow?

hard

A. Check the website uses https, read reviews, and avoid downloading from unknown sites

B. Download quickly before the offer expires, ignore reviews, and share the link with friends

C. Use public Wi-Fi to download faster and click all pop-ups to get the app

D. Disable antivirus temporarily and download from any website

Solution

1. Step 1: Identify safe website and download practices

   Checking for https ensures secure connection; reading reviews helps verify app safety; avoiding unknown sites reduces risk.

2. Step 2: Analyze unsafe habits

   Options A, B, and C include risky actions like disabling antivirus, ignoring reviews, or using public Wi-Fi without protection.

3. Final Answer:

   Check the website uses https, read reviews, and avoid downloading from unknown sites -> Option A

4. Quick Check:

   Secure site + reviews + trusted source = safe download [OK]

Hint: Use https, reviews, and trusted sites for downloads [OK]

Common Mistakes:

• Ignoring website security
• Downloading from unknown sources
• Disabling antivirus protection