Other files such as text documents include If you are working with a trusted correspondent, metadata too. It could be about how long the you may suggest that they turn off location document is, who the author is, when the services (GPS data) on their device to hide their document was edited, and a short automated identity. Exercise caution when requesting summary of the content. EXIF data and other images, since the phone model or other EXIF info kinds of metadata can be extremely useful for could be used to locate your sources. verification of media, and also for the creation and organisation of catalogues. Scrubbing metadata The guide Security in a Box from Tactical Technology Collective and Frontline Defenders has even more information on removing metadata. In some cases, you may want to remove metadata from files related to human rights violations. This is particularly relevant in cases where sharing or publicising evidence of human rights violations carries a threat to you or others involved in recording the incident. A number of software and online tools can be used to ‘scrub’ metadata from files. While not all metadata can be removed – such as the size of a file, the dimensions of an image, or the time it was last edited–metadata related to who created and edited the file can often be removed. The efficiency of tools varies, so it is best to try a couple and check that the metadata is effectively removed. 23