Malvertisers target Mac users with steganographic code stashed in images Clever HTML5 coding helps a blitz of malicious ads slip past scanners.

A new malvertising attack observed in the wild relies on a less used technique to hide the malicious payload. The authors turned to polyglot images to add the JavaScript code that redirects to a ...

If it's an Apple device, this JavaScript code reads the image file to extract the hidden code from inside it. The external JavaScript code executes the code extracted from the image.

The technique used by hackers appears as an attempt to exploit a flaw in older browsers where HTML, JavaScript or VBScript is attached to the end of the image code. JavaScript, typically used to ...

Researchers have determined that two fake AWS packages downloaded hundreds of times from the open source NPM JavaScript repository contained carefully concealed code that backdoored developers ...