Collaborate Disseminate
Last month, the Looking Glass Factory launched on Kickstarter to fund production of a personal holographic image display called the Portrait. Now the company has announced a new cloud-based service capable of adding depth to any two-dimensional photo t… Continue reading Cloud service will turn any photo into 3D holographic image
I use a .htaccess file in my images directory to block scripts from running. I exclude .php .cgi and so on. But some malware is disguised by naming them with an image extension. I did not previously add various image extensions fearing it… Continue reading .htaccess to stop scripts with image extensions
I am writing an app that serves images to clients.
The app is written mostly in python. I store the images in AWS s3 and serve the clients them directly from there.
Am I vulnerable to buffer overflow attacks?
If an image is bigger than 500… Continue reading Does limiting size of images prevents buffer overflow?
I have a database for a chat app to which users can upload images. These images get scanned before they are made available to other users in a conversation. But when the antivirus gets an update, should I rescan images which have already b… Continue reading Virus scanning uploaded images to database
I recently developed an application that lets you "hide an image in plain sight" by obfuscating your image in a way that is unrecognizable so that you can save it or share it without worry. But then can be reversed so that it’s b… Continue reading Is my image scrambling implementation actually secure? [closed]
If I allow base64 encoded images to load on my website, but I do not have unsafe-eval enabled, nor have I allowed ‘inline-script’ would my site still be at risk by allowing base64 encoded image data to be painted onto images that might hav… Continue reading CSP allowing Base64 encoded images without unsafe-eval
I’m new to steganography. I have some questions about images on social media sites.
I saw that Facebook recently patched a vulnerability on Instagram, but I was wondering whether any of the major sites (Facebook, Twitter, SnapChat) sanitiz… Continue reading Are any social media sites sanitizing images?
I was reading this question ( How to check if an image file is clean? ) and forest’s answer suggested converting the image to a "trivial pixelmap format, such as PPM". Such a format was considered "simple enough that it woul… Continue reading Are PPM or BMP images safer than JPEGs or PNGs?
i am trying to learn something about computer security, I decided to start from the linux world, through raspberry p3 with raspbian jessie OS
I would like to start with forensics file management, and I did a test on data recovery
I took an… Continue reading Recovery files fails Raspberry Pi 3b
The BBC reports that the image Boris Johson posted on Twitter to congratulate Joe Biden contains traces of the text "Trump" in the background. The BBC article links to a Guido Fawkes’ article, and when I download the tweet’s JPEG… Continue reading What aspects of image preparation workflows can lead to accidents like Boris Johnson’s No. 10 tweet’s ‘hidden message’?