Introduction to Cyber Security

📚 Learning Objectives By the end of this lesson, you will be able to: Understand what cyber security is. Recognize common cyber threats. Identify phishing attacks. Create stronger passwords. Learn safe browsing habits. Understand why Two-Factor Authentication (2FA) matters. Apply basic security practices to protect your online accounts. 🌐 What Is Cyber Security? Cyber security is the practice of protecting computers, smartphones, networks, websites, applications, and digital information from unauthorized access, cyber attacks, and data theft. In simple terms: Cyber security is the process of keeping your digital life safe. Whether you're browsing the internet, shopping online, or using social media, cyber security helps protect your personal information from cybercriminals. 🎯 Why Is Cyber Security Important? Every day, millions of cyber attacks target individuals and businesses around the world. Without proper security, you could lose: Personal information Passwords Bank account details Photos and files Business data Even a single careless click can lead to identity theft or financial loss. ⚠️ Common Cyber Threats 🎣 1. Phishing Phishing is a scam where attackers pretend to be trusted organizations to steal your passwords, banking information, or personal data. Example: Fake bank emails Fake login pages Fake delivery notifications 🦠 2. Malware Malware is malicious software designed to damage your device or steal information. Examples include: Viruses Trojans Ransomware Spyware 🔑 3. Weak Passwords Using passwords like: 123456 password qwerty makes your accounts easy to hack. Always create unique and complex passwords. 🌍 4. Public Wi-Fi Risks Public Wi-Fi networks are convenient but often insecure. Avoid logging into: Banking websites Payment apps Sensitive business accounts unless you're using a trusted VPN. ✅ Best Security Practices Always follow these simple habits: ✔ Use strong, unique passwords. ✔ Enable Two-Factor Authentication (2FA). ✔ Keep your software and apps updated. ✔ Never click suspicious links. ✔ Download files only from trusted sources. ✔ Check that websites use HTTPS. ✔ Back up important data regularly. ✔ Lock your devices with a PIN, password, or biometric authentication. 🚨 Real-World Example You receive an email saying: "Your bank account has been suspended. Verify your account immediately." The email contains a button that says "Verify Now." What should you do? ❌ Do not click the link. ✅ Visit your bank's official website manually or contact customer support to verify the message. 📌 Key Takeaways Cyber security protects your digital life. Hackers target both individuals and organizations. Strong passwords and 2FA provide essential protection. Be cautious of suspicious emails, links, and downloads. Small security habits can prevent major cyber incidents. 🏆 Lesson Summary Congratulations! You've completed Lesson 1: Cyber Security Awareness. You now understand: What cyber security is. Why it is important. The most common online threats. Essential practices to stay safe online.