What is the steganography anti-forensics technique?
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Steganography is an anti-forensics technique that involves the art of hiding data in plain sight within another file, image, or message, so that it is not readily detectable. The objective of steganography is to conceal the very existence of the data or information from an observer, rather than encrypting the data itself. This makes it a popular technique for malicious actors who want to evade detection or hide their activity.
In the context of cyber forensics, steganography is a technique used to conceal the presence of malicious files or data on a system or network. Malware or sensitive data can be hidden in a variety of files, such as images, videos, audio files, or even seemingly innocuous text files. Steganography can also be used to conceal the communication between an attacker and a compromised system.
The process of steganography involves embedding the hidden data into the cover file in such a way that it is not easily detectable. This can be done by modifying the least significant bits of the pixels in an image, for example. The modified bits can then be extracted and used to reconstruct the hidden data.
Steganography is considered an anti-forensics technique because it can be difficult to detect and recover the hidden data without specialized tools and techniques. However, forensic investigators can use steganalysis tools and techniques to detect the presence of hidden data and recover it for analysis. Steganalysis involves analyzing the cover file for any anomalies or inconsistencies that may indicate the presence of hidden data.
In summary, steganography is an anti-forensics technique used to hide the presence of malicious files or data within seemingly innocuous files. It can be challenging to detect and recover hidden data without specialized tools and techniques, making it an attractive technique for malicious actors seeking to evade detection.