Enterprises must adopt advanced monitoring to combat this fileless threat. This fileless threat, often facilitated by web browsers, bypasses traditional security and demands a radical rethinking of data loss prevention. It is now more common for data to leave companies through copying and paste than through file transfers and uploads, layerx revealed in its browser security report 2025 This shift is largely due. Nearly half of all employees now use generative ai tools, with chatgpt commanding 92% of all activity 77% users paste data into prompts, 82% use personal accounts, and 40% of uploaded files contain pii/pci
With genai now accounting for 32% of all corporate to personal data movement, it has become the #1 exfiltration channel in the browser. New 2025 report reveals browsers now drive 32% of corporate data leaks through genai and extensions. Artificial intelligence has become the single largest uncontrolled channel for corporate data exfiltration, surpassing both shadow saas and unmanaged file sharing, according to a new report from ai and browser security company layerx.
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