What is Cyber Security?

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 Cyber security is the practice of protecting computers, networks, software, and data from unauthorized access, attacks, damage, or theft.

It involves keeping digital systems safe from threats such as:

  • Hackers stealing information
  • Viruses and malware damaging devices
  • Phishing scams tricking people into revealing passwords
  • Ransomware locking files for money
  • Data breaches exposing private information

Main Areas of Cyber Security

  1. Network Security
    Protects computer networks from intruders.
  2. Application Security
    Keeps software and apps secure from vulnerabilities.
  3. Information Security
    Protects sensitive data like passwords, bank details, and personal records.
  4. Cloud Security
    Secures data and services stored online.
  5. Endpoint Security
    Protects devices such as laptops, phones, and servers.
  6. Cyber Awareness & Training
    Teaches users how to avoid scams and unsafe behavior online.

Simple Examples

  • Using strong passwords
  • Turning on two-factor authentication (2FA)
  • Installing antivirus software
  • Avoiding suspicious email links
  • Keeping software updated


Without protection, attackers can steal money, identity, or sensitive information.

Real-World Example

If someone sends a fake email pretending to be your bank and asks for your password, cyber security tools and awareness help detect and prevent that attack.

Cyber security is used by individuals, businesses, governments, and organizations worldwide to stay safe in the digital world.

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