19 Articles in the category: Threats

bWAPP – A Deliberately Buggy Web App to Practice Cybersecurity - Spysafe.com.au

bWAPP – A Deliberately Buggy Web App to Practice Cybersecurity

This page describes how to install bee-box, a virtual Linux installation containing bWAPP, which is a deliberately buggy web application to practice pentesting and other cyber security skills on. From the bWAPP website: ...

Introduction to the Iptables Firewall Program for Linux - Spysafe.com.au

Introduction to the Iptables Firewall Program for Linux

This page gives a quick introduction to the Iptables firewall software for Linux. More details will follow later... 1. How Iptables Works. The term “iptables” may refer to either the software firewall which is integrated...

Basics of SQL Injection Attacks - Spysafe.com.au

Basics of SQL Injection Attacks

SQL injection attacks are carried out by inserting SQL code into a field where user input is accepted. If the user input is not correctly handled, this can result in the code executing by the...

Learn Encryption Concepts with the Historic Caesar Cipher - Spysafe.com.au

Learn Encryption Concepts with the Historic Caesar Cipher

This is the first type of "secret spy code" I learned as a child, from a book called "The Spy's Guidebook". Years later, I learned that it's called a Caesar Cipher — named after Julius...

An Introduction to Port Scanning with Nmap - Spysafe.com.au

An Introduction to Port Scanning with Nmap

This video gives an introduction and demonstration of port scanning, using Nmap and Masscan on Kali Linux. I made the video as part of an assignment for my Cyber Security course. I'll write more...

Log4Shell — The Single Biggest Security Vulnerability Ever? - Spysafe.com.au

Log4Shell — The Single Biggest Security Vulnerability Ever?

Log4Shell is a recently disclosed security vulnerability in a popular piece of software used for generating log files (including logging error messages), written in Java, known as Log4j. It's affected countless computers around the world...

Learn How to Hack Systems By Playing the Bandit Wargame - Spysafe.com.au

Learn How to Hack Systems By Playing the Bandit Wargame


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You can play this game to learn the basics of the Unix / Linux terminal "shell" command prompt, and many other essential skills used in computer networking, including hacking. I'll write much more about this soon...

My Security and Developer Portfolio - Spysafe.com.au

My Security and Developer Portfolio

This page began on 31 October, 2021 as a portfolio for my IT work, now that I'm back looking for IT work again. It was originally hosted on my Mathwiz maths tutoring website (before Spysafe...

Hardening Windows — How to Secure and Protect Windows - Spysafe.com.au

Hardening Windows — How to Secure and Protect Windows

The main features are: Make a user account with only normal priveleges and not administrator ones, and use that account for your daily use. Only use the admin account when you are doing a lot of...

About Nuclear Fallout - Spysafe.com.au

About Nuclear Fallout

What is Nuclear Fallout? Nuclear fallout is dust and dirt (of varying sizes) that's been thrown up into the air by the force (blast) of a nuclear explosion, and has...

What Can Preppers Learn About What Is Happening In Venezuela - Spysafe.com.au

What Can Preppers Learn About What Is Happening In Venezuela

Venezuela was once the pearl of South America having a high living standard, oil, and rich in natural resources, yet now is a cesspool with people having to get their drinking water from ditches. Preppers...

What's Your Greatest Weakness? - Spysafe.com.au

What's Your Greatest Weakness?

A chain is only as strong as its weakest link. Let's get serious for a few minutes, and think about some of the real problems to be faced in prepping. Specifically, this page will...

Nuclear Bomb Explosion Simulator - Spysafe.com.au

Nuclear Bomb Explosion Simulator

The nuclear bomb simulator shows the three main dangers from a nuclear war - fireball, blast, and fallout. Try it out by typing the name of...

What Do You Do When Time is Running Out? - Spysafe.com.au

What Do You Do When Time is Running Out?

Try out these thought exercises: There's only a limited amount of time left for modern civilisation as we know it. It's impossible to know exactly how long — but if something is unsustainable...