Steganography is the art of hiding data within other data. Ann sends a message to Bob. With encryption Eve could see the message but not read it. With steganography Eve would not see the message.

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TrueCrypt dataleaks that might betray the “Deniable File System” option

Reading into "Operation Satyagraha", one would have to believe give all the resources used that the investigators had some reason to believe there was data to decrypt, even though in theory and in ...
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Which graphic image formats contain revision history? Does the image editing software being used matter?

It's common knowledge among graphic designers that they can rename a PDF file and import it into Illustrator and access the "layers" within the document, revealing hidden information. I don't know ...
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Is there any way to write-protect a USB or hide its contents from deletion without hardware modifications?

Data on external storage devices are not secure, I understand that. Despite hardware modifications they can still be hacked etc. However files can be hidden (steganography) or encrypted. I'm ...
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What happens if a pro-censor ISP has Telex key(s)?

I've been watching more and more people jump on the idea of Telex as a way to prevent internet censorship (e.g. http://www.technologyreview.com/communications/38207/ -- not my comments at the bottom ...
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Is Steganography a safe method to store secret data?

I want to put some parts of my secret data into specific file with Steganography method. Is this method as safe as other encryption methods like RSA or SHA?
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Suggested Steganography Program?

I would like to try a Steganograghy program - know of one? How 'heavy' can it be: 1- Can I run the plaintext through a SHA-2 hash, THEN.... 2- Encrypt the digest with my private key (Digital ...
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Is Steganography considered encryption and subject to USA export restrictions?

I have written an application for Apple's iOS which embeds messages in JPEG files using steganography (see http://en.wikipedia.org/wiki/Steganography). For the purposes of this question lets assume ...
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Best way for a hacker to hide a file on Linux?

Suppose a hacker obtains a shell on my Linux host and wants to hide a file. What's the best way for him to do this? You may assume unprivileged or root access. My thoughts are Use a .file ...
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Detecting Steganography in images

I recently came across an odd JPEG file: Resolution 400x600 and a filesize of 2.9 MB. I got suspicious and suspected that there is some additional information hidden. I tried some straight forward ...
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Are NTFS Alternate File Streams considered a security risk in your organisation; how is it mitigated?

Alternate File Streams allows a user to embed hidden content within any NTFS file. That file can be a TXT file, or MOV for example. Some may consider this a form of steganography, and therefore the ...