Why is data encryption important for online privacy?

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Supervised and Unsupervised Learning are two primary types of machine learning, differing mainly in how they process and learn from data.

Data encryption is important for online privacy because it scrambles your information into an unreadable format so that even if someone intercepts it, they can’t make sense of it without the decryption key.

Why it matters:

1. Protects sensitive information – Personal data like passwords, credit card numbers, and health records remain safe from hackers, ISPs, and unauthorized third parties.

2. Prevents eavesdropping – Encryption stops attackers from reading your data during transmission, especially over insecure networks like public Wi-Fi.

3. Safeguards stored data – Even if a device or server is stolen or breached, encrypted files can’t be accessed without the right credentials.

4. Ensures confidentiality – Helps maintain private communications in emails, messaging apps, and file transfers.

5. Supports compliance – Many privacy laws (GDPR, HIPAA, PCI DSS) require encryption to protect user data.

6. Protects against identity theft – Makes it harder for cybercriminals to misuse stolen personal or financial details.

In short, encryption turns your data into a locked safe—even if someone grabs it, they can’t open it without the right combination.

If you want, I can also explain the difference between encryption “in transit” and “at rest”, since both play a big role in online privacy.

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