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Or Eshed Published - June 04, 2025

Sleeper Sound: LayerX Uncovers Malicious “Sleeper” Sound Management Extensions with Nearly 1.5 Million Users Worldwide

  LayerX has unearthed network of malicious “sleeper agent” extensions that appear to serve as infrastructure for future malicious activity, currently installed on nearly 1.5 million users worldwide.   LayerX has discovered a network of browser extensions that appear to serve as ‘sleeper agents’ for future malicious activity. The extensions appear to have all been […]

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Sleeper Sound: LayerX Uncovers Malicious “Sleeper” Sound Management Extensions with Nearly 1.5 Million Users Worldwide