We now have malware and there's no evidence of it anywhere.

Hi and welcome to Malicious Life's B-Sight. I'm not exactly a legendary computer scientist.

And when I say legendary, I'm not exaggerating even one bit.

His list of accomplishments in the early days of computing and the sheer number of things he invented that we are still

using to this day is mind-blowing. Let's see. He created Unix with Dennis Ritchie

developed the concepts of hierarchical file systems,

computer processes, command line interpreter, pipes and device files.

He created the B programming language which he built off of to create

C and invented regular expressions, although I'm not sure we should give him any prizes for that one.

Kent Thompson is so legendary that in his Turing Award acceptance speech in 1983,

which he and Dennis Ritchie received for their work on operating systems, he presented a type of vulnerability, a type of backdoor, which is considered a seminal work in computer security.

This 40 years old backdoor will be the focus of our episode today.

And if you're asking yourselves, wait, what, a 40 years old backdoor?

Why should I care about a backdoor discovered when even PCs weren't a thing yet?

Then I've got just two words for you. Solar wins.

Our guest today is Andrew Ginter, Vice President of Industrial Security at Waterfall Solutions, author of three books on Cybersecurity and the co-host of the Industrial Security

and the co-host of the Industrial Security podcast together with our very own Nathan.

Full disclosure, the Industrial together with our very own name Nelson.

Full disclosure, the Industrial Security Podcast is also produced by my company,

PI Media. If you're into industrial cyber security, go check it out.

Here's Andrew and Nate talking about Thompson's Hack.

Enjoy the episode. Andrew, when did you first hear about the paper that we're going to be discussing today?

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