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Category: Security

Email

Common Email Security Mistakes and How to Avoid Them

August 28, 2025 John O'Donnell Security

Let’s talk through some of the most common mistakes people make with email security and how to avoid falling into the same traps.

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Encrypted Files

12 Best Free and Open Source Linux CLI File Encryption Tools

August 25, 2025 Steve Emms CLI, Roundup, Security

This roundup explores the finest CLI-based file encryption tools.

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Encrypted Files

Xecrets Cli – AxCrypt compatible encryption tool

August 22, 2025 Steve Emms CLI, Security

Xecrets Cli is a command line file (Cli) file encryption toolbox, runs on Linux, macOS and Windows

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Security

Kingfisher – secret‑scanning and live validation tool

August 21, 2025 Steve Emms CLI, Security

Kingfisher is a secret‑scanning and live validation tool combining Hyperscan regex engine with language‑aware parsing.

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Network Security

15 Best Free and Open Source CLI Data Hashing Tools

August 16, 2025 Steve Emms CLI, Roundup, Security

Hashing is the process of passing data through a formula that produces a condensed fixed-value representation, called a hash value.

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Security

NetPeek – discover devices on your local network

August 14, 2025 Steve Emms GUI, Security

NetPeek is a simple network scanner that helps you discover active devices on your local network. It shows open ports, hostnames, and allows easy rescan with a clean, user-friendly interface. This is free and open source software. Features include:  Fast

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Network Security

7 Best Free and Open Source Graphical Data Hashing Tools

August 11, 2025 Steve Emms Roundup, Security

Hashing is the process of passing data through a formula to produce a condensed fixed-value representation, called a hash value.

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Security

11 Best Free and Open Source Linux Digital Forensics Tools

August 8, 2025 Steve Emms Roundup, Security, System Software

Digital forensics is a specialist art. It allows investigations to be undertaken without modifying the media.

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Security

Fizz – TLS 1.3 implementation

July 30, 2025 Steve Emms Security

Fizz currently supports TLS 1.3 drafts 28, 26 (both wire-compatible with the final specification), and 23.

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Security

PurrCrypt – secure encryption tool

July 30, 2025 Steve Emms CLI, Security

PurrCrypt is a fur-ociously secure encryption tool that encodes your secrets as adorable cat and dog sounds.

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