Images generated by artificial intelligence (AI) are often almost indistinguishable from real images to the human eye. Watermarks—visible or invisible markers embedded in image files—may be the key to verifying whether an image was generated by AI. So-called semantic watermarks, which are embedded deep within the image generation process itself, are considered to be especially robust and hard to remove.

Researchers at cybersecurity outlet Cybernews say that billions of login credentials have been leaked and compiled into datasets online, giving criminals "unprecedented access" to accounts consumers use each day.

Hackers infiltrated one grocery distributor, and within days, there were bare shelves at stores around the country and even some pharmacies unable to fill prescriptions.

Clearing your cookies is not enough to protect your privacy online. New research led by Texas A&M University has found that websites are covertly using browser fingerprinting—a method to uniquely identify a web browser—to track people across browser sessions and sites.