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Cybersecurity basics

Grade 10 · Coding · Free lesson

Hey there! Ready to become a digital detective? Today, we will explore how to spot and stop online threats to keep our data safe.

In our connected world, we face real-world cybersecurity problems every day. These include malware that damages devices, phishing emails that trick us, password attacks, identity theft, and unauthorized hacking.

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Phishing is a trick where scammers send fake messages to steal your private data. They often pretend to be a trusted bank or school, urging you to click a link or enter your password immediately.

FAKE LOGIN

Malware is harmful software, like viruses, designed to secretly infect your computer. Password attacks happen when hackers use automated tools to guess your weak passwords and steal your identity.

SECURE
✏️ Worked example

Analyze this suspicious scenario: You receive an urgent text message from an unknown number claiming to be your mobile carrier. It says your account is suspended and provides a link: 'http:// login-your-carrier-alert.com' to secure your account. Explain the clues that identify this cybersecurity problem.

  1. Identify the delivery method: The message arrived as a text message, which is a common delivery path for phishing (often called smishing).
  2. Analyze the emotional trigger: The message uses high urgency, claiming your account is 'suspended' to make you act quickly without thinking.
  3. Evaluate the web address (URL): Look closely at 'http:// login-your-carrier-alert.com'. It does not use the secure 'https://' protocol, and the domain name is a generic copycat rather than the official carrier website.
  4. Formulate your defense decision: Recognize this as a phishing and potential identity theft attack, do not click the link, and block the sender immediately.
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