Description: Masking techniques are methods used to obscure sensitive data in various formats, thereby ensuring the privacy and security of information. These techniques are fundamental in a world where data protection is increasingly critical, especially in contexts where personal, financial, or health data is handled. Masking can involve transforming original data into unrecognizable formats, allowing its use for analysis or development without compromising the identity of the individuals involved. There are various masking techniques, including data encryption, where information is converted into a code that can only be decrypted by those who possess the appropriate key; image processing, which may involve altering images to hide sensitive information; data anonymization, which removes or modifies identifiable information; and the use of algorithms to detect and obscure specific elements in images or videos. These techniques are essential in the digital age, where data exposure can lead to privacy breaches and fraud, and their implementation has become a standard in many industries.