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How To Strengthen My Privacy - Page 3

Find the HOWTO or step-by-step guide that you need right here.

GPG keys are crucial in verifying your online identity. Securing your GPG key from malicious actors ensures that no one can impersonate you in your communications with other people. The tutorial linked below demonstrates five simple and practical tip...

Are you debating whether online privacy is a lost cause...

Virtual private networks, or VPNs, are essential for an...
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Installing WireGuard VPN on Ubuntu 20.04 for Enhanced Security

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Learn how to set up WireGuard VPN - an innovative VPN (Virtual Private Network) technology that utilizes state-of-the-art cryptography - on Ubuntu 20.04 to act as a VPN server. This setup can be used to surf the web anonymously, bypass Geo-restricted content, allow remote workers to connect to a corpoarte network securely and protect against Man in the Middle attacks.

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Strengthening Password Security Through a Threat Model Framework

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Password security involves a broad set of practices, and not all of them are appropriate or possible for everyone. Therefore, the best strategy is to develop a threat model by thinking through your most significant risks—who and what you are protecting against—then model your security approach on the activities that are most effective against those specific threats. The Electronic Frontier Foundation (EFF) has a great series on threat modeling that I encourage everyone to read.

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Using OpenSSL For Hash Functions And Digital Signatures

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The first article in this series introduced hashes, encryption/decryption, digital signatures, and digital certificates through the OpenSSL libraries and command-line utilities. This second article drills down into the details. Let’s begin with hashes, which are ubiquitous in computing, and consider what makes a hash function cryptographic.

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How To Change User Password In Ubuntu Through GUI And CLI

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In this short quick article, we will show you how to change a user password in Ubuntu Linux using the graphical interface as well as the command line interface. As you are well aware, most operations on Ubuntu are applicable to its derivatives such as Linux Mint, Xubuntu, Lubuntu, and many others.

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Effective Strategies to Prevent Data Breaches and Enhance Security

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“Assume breach” is the popular computer defense strategy based on the idea that your company is either already breached or could easily be breached by a dedicated attacker. There is a lot of validity to this approach. Most companies and organizations are super easy to hack and compromise. However, it doesn’t have to be this way.


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Complete Guide to Gnu Privacy Guard Encryption Practices

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Originall written in 2004, here you will find one of the most extensive HowTo's available for GnuPG. It truly is a 'soup to nuts' overview. This documents explains how to use the GNU Privacy Guard (GnuPG), an Open Source OpenPGP compatible encryption system. To keep this program totally free the use of the RSA algorithm and other patented algorithm has been avoided. The document was originally written by Michael Fischer v. Mollar in German.


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Exploring Keystroke Dynamics for Password Security Enhancement

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Are you always looking to expand your security practices? Do you want to take a crack at instituting a whole new way of creating a secure, password infrastructure? If so, this article on keystroke dynamics can help you break into whole new worlds of security... Measure the total time of entry and verify the time between keystrokes to help authenticate a user regardless of the data being entered. Require nonprintable characters, such as backspace and break, in the password to enable new levels of password obfuscation. Learn how to apply the open source tools xev and Perl in keystroke dynamics to measure the more-subtle characteristics of human-computer interaction. The whorls and ridges on your fingertips can identify you based on what you touch. How you touch and especially type can often be just as unique an activity. Keystroke dynamics is a relatively new field that enables identification of individuals through statistical analysis of their typing patterns. Many commercial products analyze the dynamics of password entry, as well as continuous typing monitoring for enhanced security. This article uses example code to demonstrate keystroke dynamics for enhancing the security of your applications in authentication and continuous data entry contexts.


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Rssh Configuration for Secure File Transfer and User Restrictions

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A quick HowTo on using secure FTP to transfer files. What is sftp? SCP/SFTP -> SSHD -> Call sftpd subsystem -> Requires a shell -> User can login to server and run other commands. In this article series we will help you provide secure restricted file-transfer services to your users without resorting to FTP. It also covers chroot jail setup instructions to lock down users to their own home directories (allow users to transfer files but not browse the entire Linux / UNIX file system of the server) as well as per user configurations.


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Comprehensive Guide To Securing Hard Disks Using Encryption

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A method is described for encrypting a hard disk, either in whole or in part, with the encryption key stored on an external medium for increased security.

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