LayerX：2025年企业安全浏览器成熟度指南：守护企业风险的最后一公里（英文版）

In 2024, a financial firm’s CISO was alarmed to discover that an employee had unknowingly installed a malicious Chrome extension on their personal laptop. The extension quietly siphoned corporate data and authentication cookies for months before detection. The existing security stack (CASB and endpoint AV) never noticed, because the data exfiltration happened entirely within the browser’s domain – a classic last-mile blind spot. Only after a major client’s data was found on the dark web did t