Tech Hacker

What is VPN (Virtual Private Network)? How it works? What is VPN (Virtual Private Network)? How it works? Virtual Private Network or simply VPN is a personal network created over the internet, so that the devices connected over it can have an uninterrupted communication, regardless of any physical or digital barriers in the mid-way. How it works? The working of VPN is not a tough deal to understand, though it is. But, before that, you need to get an idea about the protocols or set of rules in laymen terms, used by VPN in providing a secure personal network. Let’s tell you more about it: SSL (Secured Socket Layer):  It uses a 3-way handshake method for assuring proper authentication between the client and server machines. The authentication process is based on cryptography where certificates behaving as cryptographic keys already stored in the client and server, are used for initiating the connection. IPSec (IP Security):  This protocol can work on transport mode or tunnelling ...

4 Different Types of Bitcoin Wallets You Can Use In 2017 4 Different Types of Bitcoin Wallets You Can Use in 2017 Bitcoins are digital currency and Bitcoin wallets don’t hold actual Bitcoins, those are essentially stored in the block chain. Instead, Bitcoin wallets hold the private keys that give the users access to use those coins. Also Bitcoin wallets usually come with two keys. The public key lets any Bitcoin user send a sum of Bitcoins directly to any other Bitcoin user without a middleman. The private key however, should be kept secure most since anyone who gets a hold of it can access all Bitcoins in it. With so many Bitcoin wallets in existence, you are probably wondering which one is better suited for you, well, in this article I have compiled some information that may help you a great deal in making that decision. First of all, you must know that there are what we call hot wallet and the cold storage wallet. A hot wallet in Bitcoin refers to any kind of online wallet. Thes...

How to Extract Text & Images Easily from MS Office Files How to Extract Text & Images Easily from MS Office Files Somebody sent you a large document file (MS Word, MS PowerPoint files) which contains a lot of images. We do usually copying and pasting, one page at a time and with mega- large files, it’ll take a lot of times. But, we are here with the simple tricks to help you to extract images and text from files. All you need to download a free software to help you to extract images and texts. Note:  In this post, I am going to demonstrate the how to extract the images and text from MS Word. The process will same for the MS PowerPoint and MS Excel files. Here’s what we cover in this article: 1.  How to extract images and text from newer .docx, .xlsx or .pptx files. 2.  How to extract images and text from a single (.docx, .xlsx or .pptx) files? How to extract images and text from newer .docx, .xlsx or .pptx files. First of all, you need to select the file (.docx, ....

2 Ways To Make Prank Calls From your Smartphone 2 Ways To Make Prank Calls From your Smartphone How to Make Prank Calls From Your Android Smartphone This method is based on simple application that is available for android. With the help of this application, you will fill your details and then hide them while making any prank call to any of number. Just follow the below steps to proceed. Steps to Make Prank Calls from Android: Step 1.  First of all you need a software that is VOXOX which you can download from  VOXOX official website  which is available for  android . Make Prank Calls From Your Android Smartphone Step 2.  Now after downloading this application install it on your device. Once you open the app, you will see the screen like below Make Prank Calls From Your Android Smartphone Step 3.  Now you have to sign up with a account by filling your name, email id and your contact number and with first sign up you will be rewarded with $1 free credit f...

Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder ? Why Does 64-Bit Windows Need a Separate “Program Files (x86)” Folder ? If you are currently running any version of 64-bit windows operating system, you might have noticed that there is two types of programs files. One is the regular program files and another one is programs files (X86). Well, in this article, I am going to delineate between these folders and help you to understand why Windows really need both of them. 32-bit and 64-bit Computers and Windows Since the mid of 90s, almost all PC were running on 32-bit Windows. But after the release of Windows 7, the sales of 64-bit Windows computer started and there were two programs files have installed in 64-bit Windows 7 computers. 64-bit PCs gained more popularity with times over 32-bit PCs. People will prefer 64-bit computers because they can handle much more RAM (memory) and they are generally faster because they use more advance...

11 Reasons Why Linux Is Better Than  Windows  – Explained Over the years, there has been an ongoing argument that so many people don’t know or know little about. The argument regarding Windows OS and Linux OS has left many in suspense as to which is better than the other. In the real sense, we all experience these two OS differently and we all have different preferences. However, let’s put the grudge aside and see where Linux gets the age over Windows   OS. The better side of Linux over Windows straight forward, we are going to see where Linux kicks windows in the gut.   1. Secure Linux unlike Windows isn’t vulnerable as much to the various types of attacks or hacks that windows is vulnerable to. Linux is inherently more secure than Windows because security is a core of the system, with a firewall at the heart of the kernel and virtual impossibility of slipping in malware into the software repositories....