LayerX's Enterprise Browser Extension Security Report 2025 highlights the cybersecurity risks posed by browser extensions, revealing that 99% of employees have them installed, with over half able to access sensitive data. A concerning 54% of extension publishers remain unknown, complicating reputability assessments. The growing adoption of GenAI extensions, with over 20% of users having at least one that often comes with high-risk permissions, underscores the urgent need for organizations to address these vulnerabilities as part of their security strategies for 2025.
"Over 20% of users have at least one GenAI extension, and 58% of these have high-risk permission scopes. This indicates a significant threat vector that organizations need to address."
"The report reveals a growing concern that over half of extension developers are anonymous, complicating trust and risk assessment for IT leaders and security professionals."
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