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Dark OSINT of Network Encryption |
Dark OSINT of Network Encryption - Learn basics of network encryption, including TLS/SSL and VPNs. Discover how data in transit encryption protects sensitive information and why it matters in everyday digital life.
In age of constant connectivity, every message, email, or transaction you send across internet is at risk of being intercepted. This is where network encryption steps in. Encryption ensures that even if cybercriminals capture your data, they won’t be able to read it. Think of it as sending a locked box instead of an open postcard.
This article will break down concept of data in transit encryption, focusing on TLS/SSL and VPNs, their real world benefits, and how you encounter them daily often without realizing it.
What is Data In Transit Encryption?
Data in transit refers to information actively moving between devices or networks such as sending an email, visiting a website, or connecting to cloud applications.
Encryption in transit means that before leaving your device, data is scrambled using mathematical algorithms and a unique key. Only intended recipient, with correct decryption key, can unlock it.
Without encryption, sensitive information like passwords, credit card numbers, or private messages could be read by anyone monitoring connection.
Technologies Behind Network Encryption
1. TLS/SSL (Transport Layer Security / Secure Sockets Layer)
- These are protocols behind padlock icon in your web browser.
- When you visit an HTTPS website, TLS ensures communication between your browser and website server is encrypted.
- Example: When you shop online or log into your bank, TLS prevents hackers from stealing your payment details.
2. VPN (Virtual Private Network)
- A VPN creates a secure, encrypted “tunnel” between your device and internet.
- It hides your IP address and encrypts all traffic, making it harder for hackers, ISPs, or even governments to spy on you.
- Example: Using public Wi-Fi at an airport or café is risky, but a VPN keeps your browsing and login sessions safe.
You may not notice it, but encryption is everywhere:
- Online Banking: Every transfer or balance check is protected by TLS.
- E-commerce: Checkout pages use SSL/TLS to secure payment information.
- Messaging Apps: Platforms like WhatsApp or Signal use end to end encryption to protect conversations.
- Remote Work: VPNs are often required to securely access company files and internal systems.
Without encryption, digital world would be like shouting secrets in a crowded room. Here’s why it’s essential:
- Privacy Protection: Keeps personal data safe from prying eyes.
- Cybercrime Defense: Prevents attackers from reading intercepted data.
- Trust Building: Businesses that use encryption show customers they take security seriously.