Photos, documents and other files contain hidden information about its origins: author, date, program used, hours spent in editing and, with some cameras and mobile-even coordinates. These hallmarks are called toshiba pa3465u-1brs battery, toshiba pa3476u-1brs battery metadata. Two examples are the EXIF tags (for photos) and ID3 (for music).
Metadata is a double-edged sword , useful for classifying and organizing the contents of the document library itself, and dangerous by the number of transmitting sensitive information without our control over it. In this article we will explain what are the most common metadata and how to get rid of them with the help of tools that find and eliminate.
Metadata: What They Are and Why It Matters
In computing, a file is an information block of a given size. Much of the file is occupied by the data, but a small fraction is reserved to provide information about them, either at the bedside or in the metadata.
Esquema de un archivo
Imagine that the file is a package: the metadata and the header are adhesive labels that contain information about the sender, when the package was created, what it contains, and so on. Metadata ID3 , for example, contain information about the author and an MP3 disc, while the EXIF indicate how and when they took a digital photo.
Propiedades del archivo
Most document editors sony vaio vgn-fz460e battery, sony vaio vgn-fz240e battery can read and manipulate file metadata, which is useful to classify them. However, the metadata also pose a risk to our privacy , especially how little we think of them.
The document that he knew too much
In Office documents, particularly those in Word, are numerous metadata : name, initials, company name, path saved, summaries, reviews and versions, hidden text, etc.. Most of these data can be accessed from the Summary tab of the properties file or using applications like Metadata Analyzer .
Pliego
Metadata from Word documents (. DOC) may be compromising
In article KB825576 , Microsoft provides detailed instructions to prevent Word add metadata to documents and instructions to remove them. However, it is easier to use metadata scrubbers mass, as Doc Scrubber .
Doc Scrubber
Doc Scrubber search metadata in all Word files in a folder and can delete the ones you want. The operation is quick and secure. There is for Office 2003/XP Add-in for Microsoft , but the most complete is BatchPurifier , which deletes data from twenty types of documents (PDF files and OpenOffice included).
BatchPurifier
EXIF, IPTC and XMP toshiba satellite a300 keyboard, toshiba satellite a305 keyboard: a thousand words for an image
Digital cameras and photo editing software all the information embedded in JPG and RAW files from the time you took the photo to the geographical coordinates (if connected to a GPS device).
EXIF
EXIF Metadata reveal lots of information about a picture
This information is useful to classify the images, but imagine that, for whatever reason, you do not want it known, then you should use a remover or a metadata editor for images. Among the many available, we recommend MetaStripper , a free utility that removes the EXIF data, IPTC and COM.
MetaStripper
The labels sound: ID3
The audio files also dell latitude e6400 battery, dell latitude e6500 battery have metadata: standard ID3 has been used for years to enrich songs with lots of data. The modern audio recorders usually automatically add ID3 tags to the files produced. To remove them, one of the most effective is mp3tag .
ID3Kill
Old acquaintances: the file attributes
We can not forget the file attributes, the most ancient and essential metadata. The dates of creation, modification and access are difficult to change manually. To implement massive changes, Attribute Changer is one of the best utilities of its kind.
Attribute Changer
Do you use any of these utilities? Are you concerned about the use of metadata?
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