this post was submitted on 16 Feb 2024
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To me this seems obvious, the models are trained off of GitHub as a whole. Most code on GitHub either is unsecure, or it was written without needing to be secure.
I'm already getting pull requests from juniors trying to sneak in AI generated code without actually reading it.
That is a bit of a stretch imho. There are myriads of open source projects hosted on github that do need to be secure in the context where they are used. I am curious how you came to that conclusion.
That is worrysome though. I assume these people have had some background/education in the field before they were hired?
For the first, there are a lot of very valid projects you mention, but there's way way way more things like CS201 projects hosted for review. For LLM training I do wonder if they assigned a weight, but I doubt it. For the second point I was trying to make, even then there's probably a lot of good code that doesn't have to be security aware. Like a login flow for a local game may be very simple just to access your character and a developer chose a naiive way to do it knowing it was never going to be used, but to an LLM it's "here's a login flow" and how does it know it was never intended to be used for prod?
For the second, absolutely. I don't think it's intentional, it's displaced trust in the system mixed with the naive hopes of a jr dev, which hey we've all been through. Jr: "Hey it works! Awesome task done!" Sr: "Yeah but does it work well? Does it work for our use case? Will it scale when we hit it with 100k users?"
Given my experience with models I think they might actually do assign a weight. Otherwise, I would get a lot more bogus results. It also isn't as if it is that difficult to implement some basic, naive, weighing based on the amount of stars/forks/etc.
Of course it might differ per model and how they are trained.
Having said that, I wouldn't trust the output from an LLM to write secure code either. For me it is a very valuable tool on the end of helping me debug issues on the scale of being a slightly more intelligent rubber ducky. But when you ask most models to create anything more than basic functions/methods you damn well make sure it actually does what it needs it to do.
I suppose there is some role there for seniors to train juniors in how to properly use this new set of tooling. In the end it is very similar to having to deal with people who copy paste answers directly from stack overflow expecting it to magically fix their problem as well.
The fact that you not only need your code/tool to work but also understand why and how it works is also something I am constantly trying to teach to juniors at my place. What I often end up asking them is something along the lines of "Do you want to have learned a trick that might be obsolete in a few years? Or do you want to have mastered a set of skills and understanding which allows you to tackle new challenges when they arrive?".
I think that's a great way to handle it. It's a tool in your belt. A lot of this reminds me of when Intellisense entered the scene. Some people are saying it's stupid and it'll slow us down, others are saying it's going to replace us. In reality, it's exactly like what you said. If it helps you then absolutely use it, but don't blindly trust it. Use it to help remind you or think of new ways to do it, but also let's remember how many times we've gone down the wrong path using intellisense because it thought we wanted this instead of that.
Honestly thinking of it like intellisense reminds me of what one of my professors did. He barred us from using it in my first semester, we had to write everything in vim. He said pretty much the same thing as you, that it's a tool we get to use later to speed us up, but we need to understand what it's doing first before we can use it.
Well, the problem is you don't know what you don't know. One of the first example tasks in the paper was regarding implementing a symmetric cipher. Using a weak cipher was recommended by AI tools sometimes, these developers didn't know that some ciphers were weak. Additionally, even when the AI tool recommended a strong cipher, such as AES, it generated code that screwed up an implementation detail (failing to return the authentication tag), making the result insecure. And the user didn't know it was wrong because they didn't know it was incomplete.
There's no substitution for domain specific knowledge. Users who were forced to use traditional tools got the answer correct significantly more often because they had to read, process, and understand the documentation for the libraries, which meant they understood why the symmetric cipher was the way it is, and what additional information needed to be reported and why.
This is true, even recognized in the paper. People that spend more time on writing prompts (probably knowing that this is important) actually did manage to do reasonably well. Which is exactly what I in the previous reply was hinting at.
Because, let's be honest, this statement is true for everything where someone starts out new. In the past (and probably still) you had people blindly copying code blocks from stackoverflow not understanding what the code or realizing how outdated the answer might be.
So the key is still education of people and making them aware of their limitations. You can try to block the usage of tools like this, some companies actively do so. But people will be people and as long as the tools are available they will try to use them. So the more realistic approach, in my opinion, is to educate them in the usage of these tools.