Computer Science

Staying Safe Online

Class 4 | CBSE / NCERT / ICSE

🎯 Learning Objectives

📖 Let Us Begin!

Meena loves using the internet for learning and watching videos. One day, a stranger online asked her for her home address. Meena felt uncomfortable and immediately told her mother. Her mother was proud of her — Meena had done exactly the right thing!

The internet is a wonderful tool, but just like we follow safety rules on the road, we must follow safety rules online too. This is called cybersafety. Let us learn how to stay safe on the internet.

What is Cybersafety?

Cybersafety means staying safe while using the internet and digital devices. It includes protecting your personal information, being kind online, and knowing what to do when something feels wrong.

Think about it: Just as you would not talk to a stranger on the street and give them your home address, you should not do so online either!

Never Share Personal Information Online

Personal information is any information that can identify you or help someone find you. You must NEVER share this with strangers online.

Personal InformationWhy it is dangerous to share
Full nameStrangers can use it to find out more about you
Home addressSomeone could come to your house
Phone numberStrangers could call or message you
School nameSomeone could find you at school
PasswordsSomeone could access your accounts
PhotosStrangers could misuse your photos
Image needed: An illustration showing a child at a computer with a thought bubble. Inside the thought bubble are items with red "X" marks: home address, phone number, school name, passwords, photos. Title: "Never Share These Online!". A friendly shield/lock icon beside the child.
Style: Flat educational illustration, child-friendly, colourful, Indian child character
Size: 700×450px
Remember

Arjun's rule: "If I would not tell a stranger on the street, I will not tell them online either."

Strong Passwords

A password is a secret code that protects your accounts. A strong password is hard for others to guess.

What Makes a Strong Password?

Use: At least 8 characters, a mix of letters (UPPER and lower), numbers, and symbols (like @, #, !).

Avoid: Your name, birthday, "password", "1234", or anything easy to guess.

Weak password: ravi123 (easy to guess)

Strong password: Rv@2024#Sun (hard to guess, mix of characters)

Never share your password with anyone — not even your best friend!

Image needed: A comparison illustration: Left side shows a WEAK password (like "123456" or "ravi") with a broken lock icon and red X. Right side shows a STRONG password (like "Ravi@Cricket#7") with a strong lock icon and green checkmark. Title: "Weak vs Strong Passwords".
Style: Flat educational illustration, child-friendly, colourful, split comparison layout
Size: 700×400px

Cyberbullying

Cyberbullying is when someone uses the internet or digital devices to hurt, threaten, embarrass, or be unkind to another person.

Examples of Cyberbullying

Sending mean or hurtful messages to someone online.

Posting unkind comments about someone on a website.

Sharing someone's photos without their permission to embarrass them.

Leaving someone out of online group activities on purpose.

What to Do if You Face Cyberbullying

Step 1: Do not reply to the bully — it often makes things worse.

Step 2: Save or take a screenshot of the hurtful message as evidence.

Step 3: Block the person who is bullying you.

Step 4: Tell a trusted adult — a parent, teacher, or school counsellor — immediately.

Remember: It is never your fault if someone bullies you online.

Healthy Screen Time

Screen time is the amount of time you spend looking at a screen (computer, phone, tablet, TV). Too much screen time can affect your health.

Too Much Screen Time Can CauseHealthy Habits Instead
Eye strain and headachesTake a 5-minute break every 30 minutes
Poor sleepNo screens 1 hour before bedtime
Less physical activityPlay outside, do sports, or exercise daily
Less time with familyHave screen-free family meals and activities
Sita's family has a rule: no more than 1 hour of recreational screen time on school days. This keeps her healthy and focused on studies!

Tell a Trusted Adult

If anything online makes you feel scared, uncomfortable, or confused, always tell a trusted adult — a parent, guardian, or teacher. You will never get in trouble for reporting something that worried you.

Who is a Trusted Adult?

A parent or guardian, a teacher, a school counsellor, or another family member you trust.

Ravi's rule: "If something online feels wrong, I tell Maa or Papa straight away."

📝 Key Words

WordMeaning
CybersafetyStaying safe while using the internet and digital devices
Personal informationInformation that can identify you, like your name, address, or phone number
PasswordA secret code that protects your online accounts
CyberbullyingUsing the internet to hurt, threaten, or embarrass someone
Screen timeThe amount of time spent looking at a screen
Trusted adultA parent, teacher, or guardian you can go to for help
⭐ Key Points to Remember

Finished learning? Now test what you know!