July 21st, 2011 
Mourad Ben Lakhoua On 2010 Moscow communicated with a ring of alleged spies in America by encoding instructions in otherwise innocent-looking images on public websites. It’s a process called steganography. Steganography is a smart way to hide data into other files, called carriers. Modified carriers will look like the original ones, without perceptible changes. The advantage of steganography, [...]
June 6th, 2010 Mourad Ben Lakhoua If a hacker managed to compromise a server, it can be used for several things like spreading viruses, sending spam, attacking other hosts or steeling and destroying sensitive information stored on the server. Restoring a previous copy of the system will not guarantee that the incident do not happens again. That’s why it is now [...]
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