Description: Integrity checks are processes designed to ensure that data is accurate and reliable. These checks are fundamental in the field of information security, as they allow for the detection of alterations, corruption, or loss of data over time. In a digital environment, data integrity refers to the accuracy and consistency of stored information, which is crucial for informed decision-making and trust in systems. Integrity checks can include techniques such as checksums, hashes, and digital signatures, which help validate that data has not been unauthorizedly modified. Additionally, they are essential in multifactor authentication, where verifying a user’s identity through multiple methods is required, and in implementing zero trust models in various environments, where it is assumed that no entity, whether internal or external, is trustworthy by default. In the context of compliance with security regulations and standards, integrity checks are vital to ensure that organizations meet necessary requirements, thus protecting sensitive information and maintaining customer trust.