Security

In the past everyone used direct IP address to visit websites over the internet. Nowadays, people remember simple domain names. Instead of remembering and typing a group of complex numbers, users are now able to directly type the domain name (duckduckgo.com, privacyguides.org, startpage.com, etc.) on the URL bar to visit and browse the website they want. Ever thought, what triggered this change? What allows us to comfortably remember domain names instead of complex IP addresses of millions of website? This service is called DNS. ...

In the modern internet most of our daily activities on the internet like browsing data, transactions, calls and messaging via encrypted messengers, dns queries, https protocol, etc. Still many of us don’t really know what exactly an encryption is and how it works. Let’s take a deep dive into it. 1. What is Encryption? Encryption is a method of converting actual data into a unreadable scrambled format (known as ciphertext). The process is done using various mathematical operations, algorithms and complex digits. The encrypted data is locked with a instantly generated cryptographic key to prevent decryption by anyone on the internet. So only who have the matching encryption key can unlock and read the encrypted data. ...