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September 14, 2017

I mentioned last month that I was trying out a couple of expert witness directories.  My first listing was posted on HG Experts.  Now, I have a listing up at ALM Experts as well.  I will also have a listing in the 2018 Western Directory of Legal Expert Pages (in h...

September 7, 2017

Cryptographers (the people who make and break codes) have told us not to use the MD5 algorithm for twenty years.  Why are we still using it?

MD5 and SHA-1 are the two hash algorithms that are used to verify the authenticity of digital evidence.  Both algorithms have sec...

September 6, 2017

I have a new article up on HG Experts:

Attorneys who need to read and understand reports by computer forensics professionals and/or who need to present recovered files as evidence should understand how files are stored on computers and mobile devices, what happens when...

September 2, 2017

 I try not to get too deep into the weeds.  This video covers the basics that an attorney, investigator or HR director would need to know.

September 2, 2017

I put together some videos tonight which I'll be posting to YouTube and linking here.  This one talks about the importance of not using a device once you realize that it has evidence on it.  

Continued use = lost evidence.

September 1, 2017

This was originally posted on LinkedIn and on the Trace Digital Forensics blog on the old website.  I'm reposting it here because I think the content is still valuable.  If time permits, I will update this with a Part 2 focused on mobile devices.

I'm sometimes aske...

September 1, 2017

I've decided to try out the expert witness directories to see if they are helpful in drawing in new customers.  My first listing is up at .  I'm planning to list in another directory soon and will update this post when I do.  

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Investigations into child pornography offenses often begin with the receipt of a CyberTipline Report from the National Center for Missing and Exploite...

Understanding NCMEC CyberTipline Reports

August 30, 2019

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Steven Alexander


Trace Digital Forensics, LLC


Bakersfield, CA





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