IPFS (InterPlanetary File System) Overview IPFS (InterPlanetary File System) is a decentralized file storage and distribution protocol that works similarly to a P2P (peer-to-peer) network. Its goal is to replace traditional centralized storage systems (like web servers and cloud storage) with a distributed system where files are securely and efficiently…

Today we live surrounded by data. From our private messages to online shopping, digital information is everywhere. But how do we know that our information is safe? The answer lies in cryptography and encryption. In this article, I want to explain in simple terms how different encryption algorithms work, how…

In the field of computer security, steganography is a fascinating and often underestimated discipline. Unlike cryptography, which seeks to protect the  content  of a message through encryption, steganography pursues a more subtle goal: to hide the  very existence  of the communication. The word comes from the Greek  steganós  (hidden) and  graphía  (writing), and its practice dates back to…

Downloading software from the Internet can be very risky if you don’t take precautions. Modified or malicious files can compromise your security. In this article, you will learn how to verify the authenticity and integrity of any software using the command line on  macOS, Windows, and Linux . Why Verify Software? Before…

VeraCrypt is a free, open-source encryption tool designed to provide advanced security. It allows users to: With VeraCrypt, data remains unreadable to anyone without the access key or passphrase. Key Features How It Works Creating an Encrypted Volume Encrypting Information Using Security Keys Integrity and Security Installation and Basic Configuration…

Today, I want to talk about TailsOS, an operating system that has caught my attention due to its radical approach to privacy and security. TailsOS, which stands for “The Amnesic Incognito Live System,” is a live operating system based on Debian, designed to be used from a removable medium such…

KeePass is a free and open source password manager that allows you to store credentials in an encrypted database, without relying on the cloud. Installing and Configuring KeePass Download and Installation KeePass is available for Windows, but there are also versions for macOS and Linux. To install it: 1. KeePass (para…

We live in an era where mobile devices have become extensions of our identity. However, the convenience they offer also comes at a high cost: our privacy. Both Android, with its Google services, and iOS, with its closed Apple ecosystem, have turned users into products. The massive data collection is…

Unlike popular apps like WhatsApp and Telegram, which have been criticized for their data collection policies and ties to governments or corporations, tools like Briar, SimpleXchat, and Signal prioritize privacy and security. Below, we explore how these apps work and what sets them apart from traditional platforms. 1. Briar Briar…

File synchronization has become essential for keeping our data updated and accessible across multiple devices. However, many popular file synchronization solutions raise concerns about privacy and security, as data is often stored on centralized servers that could be compromised. From confidential documents to family photos, our digital lives are constantly…