
Originally Posted by
ben_p
BC1 -
Yes, anything you do in a digital world is recorded. Even when you delete something from your computer it is many times not actually gone, it's just flagged as available. The issue I had with the original comment was that Google captured "every key stroke that you make on your computer". Every search that you send to them is one thing, but every key press on my computer is a whole different question. That would involve them having some code on my system to phone home with that info. If something like that were happening I'm sure I would have heard about it from the people I talk with on a regular basis.
There are also a lot of people who work on anti-forensics things. As with any security related topic, digital or physical, it is a race between the good guys and the bad guys. Unfortunately the good guys have to do everything right all of the time and the bad guys don't.
Tucker's Mom -
I'm sorry but I didn't follow the case that closely to know to what you are referring. I'm guessing it's related to my response to BC1.
As for the PEBKAC errors, yes, I deal with them on a regular basis.
Ben
Ben, you are correct in that Google can't capture your local keysrokes. But, depending on what you're doing on your own computer (word document? spreadsheet? IM? email?) the results are probably stored on your own system. For example, if you create a word document and then delete it we can absolutely find it. If you load a photo from your camera, burn it to CD and delete it, we can find it. Even initializing your hard drive won't completely dispose of it. That is why we destroy the drives at then end of a digital investigation. We initially create several copies of the hard drive to be examined using a replicator. We then seal the original drive in an evidence bag. All investigative efforts are then made on one of the copies. At the end of the investigation we initialize the drive copies, disassemble them and cut the platters up with a bolt cutter before disposing of them. Once that computer is confiscated most perps are screwed. The average person (or even software developer) can't hide their tracks.
In industrial espionage cases I've seen keystroke trackers successfully implemented on a victim's (company) computer. This is usually done through some executable code not stopped by a firewall or spyware product. The tracker will transmit the keystroke history by "bouncing" it through several servers.
Secret squirrel has several advanced products that aren't available commercially to digital examiners or police agencies. These products, used by agencies such as the NSA, can even read the cut up, partial platters to reconstruct information strings.
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