Chrome Store Hosts 'Poper Blocker' Spyware Downloaded by Millions

A seemingly legitimate Chrome Web Store ad blocker, Poper Blocker, was found to be spyware that collects sensitive browsing data, screenshots, and AI chatbot interactions from millions of users while benefiting from Google’s trust signals and a high rating. For CIOs and technology leaders, the key risk is that sanctioned browser extensions can become a major data-exfiltration path and supply-chain blind spot, underscoring the need for stronger endpoint controls, browser-extension governance, and faster security review processes across the enterprise.