End-to-end encrypted messaging apps like Signal have gained widespread traction in the news (for better or worse). The app is widely praised for its robust encryption model, minimal data collection, and open-source transparency. Journalists, activists, and security-conscious executives have turned to Signal as a trusted tool for secure communication.

But while Signal excels in privacy, does it meet the requirements for regulated industries like healthcare, government contracting, or critical infrastructure?

This article will examine whether Signal is a suitable tool for organizations operating under major compliance frameworks, including HIPAA, FedRAMP, CMMC, and CJIS, among others. The analysis is designed for IT professionals, CISOs, compliance officers, and decision-makers who evaluate communication tools in high-assurance environments.

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A critical component of CMMC is the robust authentication mechanisms that it requires, including biometric authentication, which plays a pivotal role in safeguarding sensitive information. As biometrics become more common and available across organizations, standards are evolving to incorporate this substantial identification measure.  

This article covers the technical aspects of CMMC’s authentication requirements, emphasizing the integration of biometric authentication and providing guides on achieving compliance based on official documentation.​

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Effective log management is critical to CMMC. It ensures organizations can monitor, analyze, and respond appropriately to security incidents. Properly implemented, log management supports compliance, enhances security posture, and provides a foundation for forensic analysis. 

Here, we’ll discuss some of the particulars of log management under CMMC, covering the technical aspects of log management within the framework and referencing official documentation to guide organizations toward compliance.​

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