Security News

RSAC 2023: 10 Coolest Cybersecurity Startup Companies

Wade Tyler Millward

HiddenLayer, Concentric AI and Mondoo were among the coolest cybersecurity startup companies at RSAC 2023.


HiddenLayer won the 2023 annual RSAC Innovation Sandbox contest for its machine learning algorithms and training sets security offerings.

The Austin, Texas-based startup promises a noninvasive, software-based platform that monitors ML algorithm inputs and outputs for anomalous activity, according to HiddenLayer’s website. Response actions are immediate with a flexible response framework.

The RSAC Innovation Sandbox Contest’s top 10 finalists have collectively seen more than 75 acquisitions and raised over $12.5 billion in investments, according to the conference.

HiddenLayer also offers a partner program for integrators, advisers, service providers, consultants and other partner business types. Databricks and Nvidia are among the startup’s technology partners.

CEO Chris Sestito co-founded HiddenLayer last year, according to his LinkedIn account. He previously worked at Qualys for less than a year, leaving with the title of vice president of engineering for data science.

Sestito’s resume includes less than a year with Agari, leaving in 2021 with the title of senior director of data science. He also spent more than five years with Cylance, leaving in 2020 with the title of threat research director, according to his LinkedIn account.

Wade Tyler Millward

Wade Tyler Millward is an associate editor covering cloud computing and the channel partner programs of Microsoft, IBM, Red Hat, Oracle, Salesforce, Citrix and other cloud vendors. He can be reached at

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