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My old mothballed site…

So you’ve found my old mothballed site? Likely you were searching for Australian census information about the Statistical Linkage Keys, or how to scrape data with Python and Xpath? Either way, what you’re looking for is here. It’s all dated and old, but I feel bad about taking it down as there’s still a few hundred pageviews a month.

Enjoy the old posts


Malware Virtual Test Environment: Fail-secure network isolation and VPN routing

There are many reasons you might need to isolate a PC or operating systems from a local network. For example, I often work on live malware and ransomware and I want to minimise the …

Gone in 60 seconds: your phone is the Achilles heel of your security!

For many, the security of your online life relies on the security of your phone and phone number.I’ve recently been speaking about the security of mobile phone numbers, and …

Tech explained: Hash puzzles and proofs of work

Following my blockchain Computerworld article, I’ve been getting quite a few questions about how the Bitcoin blockchain is protected by ‘difficulty’. Mining blocks is hard, so, …

Scraping Data with Python and XPath

I decided to write a short post about how I use Python and XPath to extract web content. I do this often to build research data sets. This post was inspired by another blog post: …

Tech Brief: Anonymising sensitive data with entropy and salt.

As researchers or programmers, we will often want to protect our data by anonymising sensitive information like names and addresses. To do this, we can combine pieces of user data …

Why 3583 Bytes & What's With the Blue Box?

My first computer was a Commodore Vic-20; it had 3583 bytes of available memory. That’s about one five-millionth of a modern laptop! So little memory, but still so much you could …

Security Brief: The Australian Census and Statistical Linkage Keys

There have been concerns among security professionals and privacy advocates about changes to the Australian 2016 Census. The biggest concern is how the ABS plans to combine your …

Security concerns and Census Statistical Linkage Keys explained

An in-depth explanation regarding the security surrounding statistical linkage keys, why they’re important and how their security can be compromised…The security of …

Tech explained: What is a hash, what is brute force and are hashes secure?

Identifying DataSecurity professionals often use hashes to represent data - think of it like a unique fingerprint or “key” for the data. While there are many ways to make data keys …

Is someone watching you online? The security risks of the Internet of Things

Is someone watching you online? The security risks of the Internet of ThingsPatryk Szewczyk, Edith Cowan University and Nikolai Hampton, Edith Cowan University The range and number …