RUST – Safety During and After Programming

Intro

The programming language Rust is dwelling on the web for half a decade already. Initially started as a personal project by an Mozilla employee and later continued by the Mozilla Foundation itself, it repeatedly gained attention with the claims of being the language of choice for technically safe software – including system software.

With this blog entry I want to give you an introduction to the language and talk about how said safety has been proven mathematically.

By the way, if you want to try out some code snippets from this blog post, you can do so directly online here: https://play.rust-lang.org/
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Human Error in IT failures

With the ever-increasing complexity of artificial systems that aid humans in their daily and work lives, their operation procedures have grown more complicated and the potential for mishandling is higher than ever before. In the IT world, modern systems that must serve hundreds of millions of customers simultaneously and reliably have grown so complex that no single person can grasp every detail of the software they co-created.

As IT security systems and procedures are also becoming more reliable and make attacking software harder than targeting their operators, humans are now an apparent weak link in the computing world. Consequentially, security breaches and system failures are nowadays regularly publicly blamed on human error in cases such as the recent British Airways IT chaos [1]. Moreover, a report by BakerHostetler found, that 32% of all security incidents are caused by Employee Action or Mistake and just over 10% of incidents involve phishing, making human error one of the main causes for security incidents [2].
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