Google’s software engineers have proposed a solution to clamp down on prototype pollution, a JavaScript vulnerability that enables attackers to manipulate objects they do not control. The proposal, currently under review by technical working group TC39, seeks to create a boundary between JavaScript objects and their blueprints. The technology aims to eliminate pathways that allow attackers to transfer from the objects to the blueprints.

Changes Made to Leapfrog’s Hospital Survey Design
The Leapfrog Group, a US non-profit representing hospital performance interests, has revised its 2025 Leapfrog Hospital Survey, incorporating over 800 public comments. Changes include updated