How it works?

The following are some key techniques and tools used in media forensics:

• Metadata analysis: Metadata is the information embedded in digital media files that provides details about the creation, editing, and distribution of the file. Metadata analysis may reveal clues about the origin and authenticity of the media file.
• Image analysis: Image analysis techniques may be used to identify and analyze visual content in digital images, such as detecting alterations or manipulations, identifying the source of the image, and analyzing the context and content of the image.
• Video analysis: Video analysis may involve analyzing individual frames of a video to detect alterations or manipulations, identifying the source of the video, and analyzing the content and context of the video.
• Audio analysis: Audio analysis may involve analyzing the waveform and spectral characteristics of digital audio recordings to identify the source of the recording, detect alterations or manipulations, and analyze the content and context of the recording.
• Forensic toolkits: There are various software tools and forensic toolkits available that can be used in media forensics to analyze digital media files, such as Adobe Photoshop, ELA (Error Level Analysis), and ExifTool.
• Chain of custody: A critical aspect of media forensics is maintaining a chain of custody of the digital media files to ensure their authenticity and prevent tampering or alteration

Overall, media forensics is an important discipline for verifying the authenticity and accuracy of digital media in various contexts, including legal, journalistic, and intelligence gathering. It requires a combination of technical expertise and investigative skills to identify and analyze digital media files and determine their credibility and integrity.