How Trustworthy Is Digital Evidence?

Leonhard Hosch shares his research at DFRWS EU 2018.

Leonhard: Thank you. I’ll be presenting the paper ‘Controlled Experiments in Digital Evidence Tampering, or How Trustworthy is Digital Evidence?’ I’m Leonhard Hosch, I’m with Felix Freiling, I’m currently doing my master’s thesis, and … yeah, I work for him.

What actually is digital evidence? In our case, we use quite simple definition. We say that the evidence we get is on a hard drive, and of course this isn’t always the case, but mostly. And how does it come into existence? It’s some input to some device, and depending on the inputs, something gets written to the hard drive and we have our evidence. It’s not really that easy. I guess some of you already know this cartoon from P. Steiner from 1993. Actually, the year I was born. And yeah, that’s kind of a problem.

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