Today I Learned

Most “technology people”, whatever they do, seem to be the de facto technology support for everyone they know. In my own case, back in...

In his classic series, Martial Arts and Ways of Japan (Weatherhill, 3 volumes, 1973–1974), Donn Draeger ( https://en.wikipedia.org/wiki/...

#TIL that the falling green code seen in the Matrix ( https://en.wikipedia.org/wiki/The_Matrix_(franchise )) movies is sometimes referred...

One of the rites of passage for anyone learning a programming language is the creation of their first program. For many, the first...

Data is, like, literally radioactive. I was going to comment on the distortion and misuse of the word “literally” and comment that its...

I have a confession to make... While I have worked in the Information Technology (IT) field for over twenty years, I am not a web...

“It ain't what you don't know that gets you into trouble. It's what you know for sure that just ain't so.” Often attributed to Mark...

Multi-factor Authentication, or “MFA”, ( https://en.wikipedia.org/wiki/Multi-factor_authentication ) can be quite confusing, but I think...

Like most people, I have some pretty strong opinions, but my goal with this blog was to keep it primarily professional, so I keep many of...

Cryptography makes the world go ‘round. With apologies to Broadway ( https://en.wikipedia.org/wiki/Love_Makes_the_World_Go_%27Round_%28...

“Zero-day” ( https://en.wikipedia.org/wiki/Zero-day_%28computing%29 ) or “0-day” (also pronounced “oh-day”), is another term that we hear...

When considering the term “dark web”, I had trouble deciding whether to post under InfoSec Basics or InfoSec Bullshido. On the one hand,...

First, a bit of an “oopsie”. As mentioned previously in my “series” on setting up my network ( https://www.til-technology.com/my-blog/ca...

Now that we know a bit about hashing ( https://www.til-technology.com/post/infosec-basics-hashing ) and passwords (...

A young woman – let’s call her Alice – had recently moved into her own apartment, and invited her parents over for Thanksgiving dinner...

Backups are important. This is one of the fundamental truths of Computer Science. Carving things in stone is a reasonably durable...

Everyone knows what passwords are, and how they work. Right? The basic concept is simple enough, and has been around for quite a long...

Bullshido ( https://en.wiktionary.org/wiki/bullshido ) is a term referring to exaggerated or fraudulent claims around martial arts. The...

Every field has basic concepts that are essential to real understanding of the field. In the context of Information Security, “hashing”...

First, a disclaimer: While I was a developer (many years ago), I worked mainly on back-end database applications (first with Oracle...