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Lesson 1: What Cyber Security Is and Why It Matters

Imagine a hospital suddenly losing access to its digital appointment system: patients may be delayed even if no computer has been physically damaged. Open Full Article...

Can Quantum Computers Break the Internet? Secret Messages and Modern Cryptography

Explore how modern cryptography protects online information, how symmetric and public-key encryption work, and why a future fault-tolerant quantum computer could threaten systems such as RSA and elliptic curve cryptography. The article explains plaintext, ciphertext, cryptographic keys, digital signatures, hashing, qubits, superposition, Shor’s algorithm and the limits of current quantum computers. Open Full Article...