![]() Images are not the only items in a document that can retain private information. ![]() If you see a picture that needs altering in a text document, do the editing in a proper graphics editor and then reinsert it in the document. Ultimately, Microsoft Word is not designed for image editing any more than Acrobat Reader is. Any concealed bits remain in the file as well. When you export from Word to PDF, the original image and the object drawn on top are not combined. You draw a black rectangle over it, using the paid version of Adobe Acrobat on your office computer. Let’s say you’re about to send a brochure to a client when you realize one of the images contains a colleague’s personal data. Second, publish the image in a “flat” format such as JPG or PNG to prevent others from stripping it into separate layers.īut what if you see secret information in an image that’s embedded into a text document? Mischievous PDFs ![]() First, perform any blurring with 100% opaque tools. In a nutshell, to really hide passwords, bar codes, names, and other secret data in images you work with in a graphics editor, you need to remember two things. To find out how an image can inadvertently spill confidential information - and how to hide it - read this post. For example, even if you thoroughly blur over sensitive information with a semitransparent brush, simply tweaking the brightness and contrast is sometimes enough to reveal the secret. Secrets such as p asswords in the background often show up in images, and by no means do all editing tools get rid of them properly. If a file you intend to show to others contains information they shouldn’t see, however, you could run into problems. We write and edit them on computers, e-mail them to colleagues or friends, share them in the cloud, hand them to clients, and so much more. ![]() Reports, articles, marketing materials - all are document types most of us handle at some point. KasperskyPremium Support and Professional Services.Kaspersky Anti Targeted Attack Platform.KasperskyEndpoint Security for Business Advanced.KasperskyEndpoint Security for Business Select.Kaspersky Internet Security for Android.
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