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Old May 25, 2006, 10:14 AM
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Lake Macquarie, Aust.
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Be carefull when selling your old Digi cam

I recently bought a second hand camera off Ebay and it came with a used 128 MB card, so I did what all curious people do and used a hard drive recovery program on it. And from that "empty" card, I recovered over 40 images!!!! Over 100 were either incomplete or damaged.

Nothing interesting as such, but I found out the previous owner went to the Australian Open, went to China, likes pina coladas and getting caught in the rain.....ok, maybe not the last bit, but you get the idea Going off the exif data I even know WHEN they did all this.

I'm just posting this as a heads up. I may be the only person that dosen't know this, but this dosen't just restore SD cards, it's made for hard drives, either deleted, or formatted.

So if you have ever had sensitive info on your PC or cards, do yourself a favour, snap the thing, but don't on-sell it.

Cheers
Paul, who know understands how easy all this stuff is for the educated.
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Last edited by gouch; May 25, 2006 at 10:21 AM.
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Old May 25, 2006, 10:50 AM
RIP Ric
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Marietta, GA
Joined Jun 1999
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There are tools that can securely delete data. Basically repeatadly writing random data, then 1's and 0's to the whole thing.. That said, simply re-filling the card with random garbage files will pretty much secure it against the average consumer..
..a
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Old May 25, 2006, 11:17 AM
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If you REALLY want to see what people do, go work in a photolab developing and printing film........then again, maybe NOT...ESPECIALLY after seeing pics of a 200+lb woman in the buff sitting on her couch holding a cat.
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Old May 25, 2006, 11:35 AM
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I know you are just dying to post that pic aren't you, Usta????
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Old May 25, 2006, 01:15 PM
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Originally Posted by WACOFFlyer
I know you are just dying to post that pic aren't you, Usta????

I didn't save that one.....I ALSO didn't save the ones of the middle-aged blue collar looking guy wearing various bits of women's underwear and dresses.
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Old May 25, 2006, 01:24 PM
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Euclid Ohio
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I used to work for a camera store. You could always tell what kind of pix where being developed if the person had a sheepish look.
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Old May 25, 2006, 01:37 PM
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Originally Posted by dll932
I used to work for a camera store. You could always tell what kind of pix where being developed if the person had a sheepish look.

I always got "I don't know what's on this film, I found it in my uncle's attic", yeaaahhh riiiight.

We had an attractive woman drop off a roll of film and when the guy taking it in asked her "Have you ever had any film done here before ?" (so he would know if she was already in the computer), she said "No, and after THIS one you'll never see me again".
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Old May 25, 2006, 01:38 PM
Keep it up, I'm reloading
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Quote:
Originally Posted by WACOFFlyer
I know you are just dying to post that pic aren't you, Usta????
Quote:
Originally Posted by Usta Bee
I didn't save that one.....I ALSO didn't save the ones of the middle-aged blue collar looking guy wearing various bits of women's underwear and dresses.
I couldn't let that go could I???
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Old May 25, 2006, 01:48 PM
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Euclid Ohio
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Quote:
Originally Posted by Usta Bee
I always got "I don't know what's on this film, I found it in my uncle's attic", yeaaahhh riiiight.

We had an attractive woman drop off a roll of film and when the guy taking it in asked her "Have you ever had any film done here before ?" (so he would know if she was already in the computer), she said "No, and after THIS one you'll never see me again".
One nice looking, well built lady wanted to buy a remote cable release...I'm sure she KNEW the pix would get looked at when she brought the film in...they were...
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Old May 25, 2006, 01:55 PM
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Euclid Ohio
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I worked at one store that did movie splicing and editing. This matronly lady brought in about 10 rolls of 16mm x 100 foot to be spliced. I put the first one in the Movieola (which has a small screen) and saw "Adult Movie Club presents." It was a title screen with no images. I fast-forwarded all the way through-and it was all that same frame. Did the same with the other rolls-same thing! Oh, well...
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Old May 27, 2006, 12:30 AM
UN Earth peoples true enemy
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Euroland
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Digital media can always leave ghost images

A hard disk will write onto tracks
when you rewrite over the tracks you never rewrite exacly over the same track even with the special programs garrenteed to rewite over the data some several times
the distance between tracks is often guite large in terms of high way logic often several lanes apart

this means you can rewrite over several lanes but as you cannot hit all lanes all of the time some % of the original data will be left behind intact for a a specialised reader which can read not only lanes but part lanes and can sometimes restore eneogh of the data to prove something

A good example is where a collection of dots can be recognized for what it is say for example the human skull at as little 0.5% of the original data some people might see that the collection of dots is a skull of some sort and by 1% most people will recognize it as a human skull

Organization with large resources might retrevive this type of ghost data such as FBI etc

Short of rewriting a disk a gazillion times which even then might not garentee to destroy the information the best is to smash the disk to pieces pass it under a large magnet and incinerate it

Flash memories and similar will not generaly store the individual zero or one information for so long but it might take several pitures on top of original to completly change every pixil But I suspect rewiting over a piture with ten pitures will suffice with the flash storage media types but not so up on flash memorys practical day to day real life usage recovery methods

All data sent through the internet without exection can nearly always be retrieved somewhere on the system as it leaves traces all over the place
however its a huge task to retrive this type of data as the size of the internet is beyond numbers nearly infinite and so in practical terms short of a search by most governments at the highest levels for some realy big reason such as terror or similar this is rarely done as the success rates are low vey low and get lowwer if you you are any time after the event of transmission and the only realy succesful results are from direct tapping in to the server provider

The best means to see what data you have on your computer is to radio wave signals your computer gives off and sends several hundred metres and so with the correct reciever and reassmbly programs organization with these machines can park of some distance from your laptop or computer and see everthing you have on your screen at that time and what your computer is tranmitting to such as printers or hard disks and thats before loking at your WiFi and internet provider
So if you realy want to avoid the boogy men nosy lot then dont use tecknolagy but remeber its reputed that they even got mind readers
Parnoida rules OK

Ralf
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Old May 27, 2006, 01:30 AM
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Lake Macquarie, Aust.
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The best means to see what data you have on your computer is to radio wave signals your computer gives off and sends several hundred metres and so with the correct reciever and reassmbly programs organization with these machines can park of some distance from your laptop or computer and see everthing you have on your screen at that time and what your computer is tranmitting to such as printers or hard disks and thats before loking at your WiFi and internet provider
Eh? where is my tin hat !

As much as I'd like to believe you, I don't know if I can believe that....Assuming there is no conspiracy from PC makers that imbed TX chips into motherboards so "they" can check you out. Hey, that sounds like a good one to go with


Cheers
Paul
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Old May 27, 2006, 03:42 AM
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Clearlake, CA. USA
Joined Jun 2000
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Fact

Quote:
Originally Posted by gouch
Eh? where is my tin hat !

As much as I'd like to believe you, I don't know if I can believe that....Assuming there is no conspiracy from PC makers that imbed TX chips into motherboards so "they" can check you out. Hey, that sounds like a good one to go with


Cheers
Paul

Well mate, That's a Fact Jack, utilizing gear that you can buy from any good electronics outlet...I can read what you are typing into the compuer, & what is on the screen, I don't have to be inside the room with you either just outside on the street......I'd be skeptical also if I hadn't seen it with me on eyes...



Best Regads,

Wylie E.
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Old May 27, 2006, 06:40 AM
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Lake Macquarie, Aust.
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Fair dinkum?
I understand you can easily "log on" to another PC that uses wireless comms with off the shelf stuff, but treehog is suggesting that it's possible for someone to see what someone is doing on say, an old 286, just from the "ergs" that are eminating from it, NO wireless transmissions... No argument here, but that sounds pretty...er...impressive?


Quote:
I can read what you are typing into the compuer
So can I of you, hence this discussion Sorry, just had to throw that one in!

Wylie E, what a cool name "If he catches you your through" Seriously though, never met a Wylie. Is it a common name over your way?

Cheers
Paul, who obviously had boring parents!
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Old May 27, 2006, 08:31 AM
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treehog's Avatar
Euroland
Joined Jan 2004
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The Americans and russians in the cold war devised this

The Americans and russians in the cold war devised this method of eaves dropping and its very hard to stop any eaves dropping
I thiink the term is switching EMF
Any micro chip is a switching device
any time you switch on or off any electric current from light switch to lightning to transistor switch you create a rising and falling eletromagnetic affect which is a simplex radio signal on most every radio frequency

To stop the signal from a micro chip switching radiating out you need to make a suitable screen from wire and lead protective casing around the chip or computer device and then ground it to earth with a pye network
then if a cable exited this screened wire cage you would need to screen that cable as it goes to the printer monitor etc
then you need to screen that device also and so on and so on... and your laptop would weight some few extra kilos and would require you stuck your head into the cage to read the monitor and WiFi would be a no no

Of course as I explained this effect to my lecture in computers evening course he thought I had lost my marbles but he neglets to verify that my electronic training taught me these facts in the 1980s and electronics and computers havent changed
the only difference is to do this in todays world requires a more expensive reciever unit with more direction abilities due to the millards of computer devices in use

Have fun and be paranoid it helps
Of course the computer Industry debunks this at every turn what the everthing is public knowlege banks insurance.. and to screeen everything

Or invest in feathers and ink and abbicus

Ralf
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