The article deals with problems of a different nature that arise in any type of business activity with insufficient attention to the removal or concealment of the information contained in the metadata of various documents. Various types of documents that can contain metadata are considered, from office documents to media files. The content of metadata is analyzed, which, when accessed, can cause problems of a business, legal nature, can be used by criminals to commit financial and other crimes. In addition, problems associated with the use of telecommunication services, such as e mail and various instant messengers, are analyzed. Some methods of deleting metadata using various types of application tools, both online services and specific programs for various operating systems, are described. It is concluded that the analysis of metadata has already become a daily practice for specialists in developed countries. Unfortunately, the issue of metadata security in Ukraine is still in an insufficient state