Report Reveals Serious Security Issues in Common Browser Extensions

Modern digital workflows have become increasingly dependent on browser extensions, supporting a variety of tasks ranging from grammar correction, password management, and advanced AI integrations into everyday tasks. Browser extensions have become widely used across both personal and corporate environments, but they remain among the most overlooked vectors of cybersecurity risks in the world. 

Although end users continue to enjoy the convenience offered by these tools, many IT and security professionals are unaware of the significant threats that may be posed by the excessive permissions granted to these extensions, which can, in many cases, expose sensitive organizational data and compromise enterprise systems, and which can be a serious concern for an organization. 

In its Enterprise Browser Extension Security Report for 2025, a leading authority in browser extension security and management, LayerX Security offers comprehensive insight into the security and management of browser extensions.
In this report, LayerX’s extensive customer database of real-world enterprise telemetry is combined with publicly available data from major online marketplaces for browser extensions for the first time to present an analysis of actionable data from actual enterprise telemetry. 

A unique perspective is provided in this report by merging these two data streams

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