5 Common Mistakes Students Make Online: How to Teach Digital Safety

Five common online mistakes students make, from oversharing to phishing and cyberbullying, with practical tips teachers and parents can use to teach safety.

Students go online to socialize, do research, learn, and play games. The internet opens many doors, but it also exposes them to cyberbullying, phishing, malware, identity theft, and inappropriate content. Younger learners in elementary school are especially vulnerable. This guide explains five common mistakes students make online and gives teachers practical points to teach for each one. Parents can use the same points at home.

On this page 8 sections

The five mistakes at a glance

MistakeMain riskWhat to teach
Sharing personal informationIdentity theft, cyberstalking, online exploitationProtect personal details
Falling for scams and phishingRevealing sensitive information, installing harmful softwareRecognize scams and phishing
Engaging in cyberbullyingHurting, embarrassing, or intimidating othersBe kind online
Downloading malicious softwareInfected devices, stolen personal informationDownload only from trusted sources
Spending too much time onlineSleep problems, eye strain, poor postureBalance online and offline activities

Mistake 1: Sharing personal information online

Many students post their full name, address, phone number, or email address on social media, in chat rooms, or on forums. This puts them at risk of identity theft, cyberstalking, and other kinds of online exploitation.

What to teach

  • Do not share personal information on public platforms.
  • Use strong passwords and never share them with anyone.
  • Check the privacy settings on social media accounts and limit who can see your information.
  • Tell a trusted adult about any suspicious behavior or messages.

Mistake 2: Falling for scams and phishing attacks

Scams and phishing attacks are designed to trick people into giving away sensitive information or downloading harmful software. They often arrive as emails, text messages, or pop-up ads.

What to teach

  • Do not click suspicious links or open unknown attachments.
  • Check the sender’s email address or phone number to make sure it is legitimate.
  • Be careful with any email or message that asks for personal information, passwords, or financial details.
  • Report suspicious emails or messages to a trusted adult.

Mistake 3: Engaging in cyberbullying

Cyberbullying is using technology to harass, embarrass, or intimidate others. It affects many students, and those who do it may not realize how much harm they cause.

What to teach

  • Treat others with respect and empathy.
  • Do not post or share hurtful comments or images.
  • Report any cyberbullying to a trusted adult.
  • Speak out against cyberbullying and support classmates who are affected by it.

Mistake 4: Downloading malicious software

Students can download viruses, spyware, or ransomware without knowing it. This malicious software can infect their devices and expose their personal information.

What to teach

  • Download software and apps only from reputable sources such as the App Store or Google Play.
  • Check reviews and ratings before downloading anything.
  • Avoid downloads from unknown websites or pop-up ads.
  • Install antivirus software and keep it up to date.

Mistake 5: Spending too much time online

Some students become hooked on being online, which can affect their mental and physical health. Too much screen time can lead to sleep problems, eye strain, and poor posture.

What to teach

  • Set time limits for online activities and take regular breaks.
  • Get physical activity and enjoy hobbies that do not involve screens.
  • Talk openly with parents and caregivers about online habits and worries.
  • Learn about the effects of too much screen time and why self-care matters.

Putting it together in class

These five lessons can be the starting point for a fuller digital safety and security program in your school:

  1. Protect personal information.
  2. Recognize scams and phishing.
  3. Be kind online.
  4. Download only from trusted sources.
  5. Balance online and offline time.

One message runs through all five: when something online feels wrong, tell a trusted adult. Technology and online threats keep changing, so teachers should stay informed about new risks and update these lessons as needed. Teaching these habits helps students become responsible, well-informed digital citizens.

Frequently asked questions

What are the most common mistakes students make online?

This guide lists five: sharing personal information, falling for scams and phishing, engaging in cyberbullying, downloading malicious software, and spending too much time online.

How can students tell if a message is a phishing attempt?

They should check whether the sender’s email address or phone number is legitimate. They should also be wary of any message that asks for personal information, passwords, or financial details, and avoid clicking suspicious links or attachments.

What should a student do if they are cyberbullied or see cyberbullying?

They should report it to a trusted adult. They should also speak out against cyberbullying and support the classmates who are affected.

How can students download apps safely?

They should download only from reputable sources such as the App Store or Google Play and check reviews and ratings first. They should avoid unknown websites and pop-up ads, and keep antivirus software up to date.

What are the effects of too much screen time?

Too much screen time can affect mental and physical health and can lead to sleep problems, eye strain, and poor posture.

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