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HiddenLayer raises $50M for its AI-defending cybersecurity tools

From TechCrunch

By Kyle Wiggers

September 19, 2023

HiddenLayer raises $50M for its AI-defending cybersecurity tools

HiddenLayer, a security startup focused on protecting AI systems from adversarial attacks, today announced that it raised $50 million in a funding round co-led by M12 and Moore Strategic Ventures with participation from Booz Allen Hamilton, IBM, Capital One and TenEleven. Bringing the company’s total raised to $56 million, the new funds will be put […]

Most Recent

Natural raises $30M to reinvent payments for AI agents — and take on Stripe

Natural raises $30M to reinvent payments for AI agents — and take on Stripe

The one-year-old startup aims to reinvent financial architecture for autonomous AI transactions.

Jul 20, 2026

Inference startup Infinity raises $15M from Touring Capital, OpenAI and Anthropic researchers

Inference startup Infinity raises $15M from Touring Capital, OpenAI and Anthropic researchers

AI infrastructure company Infinity announced Monday a $15 million raise at a $100 million valuation from investors including Touring Capital, Principal VC, and researchers from companies such as OpenAI and Anthropic.

Jul 20, 2026

StrictlyVC returns to New York City September 10 to celebrate a huge year for the city’s startup community

StrictlyVC returns to New York City September 10 to celebrate a huge year for the city’s startup community

For the first time since 2024, StrictlyVC is coming back to New York City — and we're bringing the kind of access you’d expect from an under-wraps event to the whole startup, VC, and dealmaking community.

Jul 20, 2026

Neil Rimer thinks the AI money is coming back out

Neil Rimer thinks the AI money is coming back out

Neil Rimer, the venture capitalist who co-founded Index Ventures, predicts the historic wealth AI is generating in Silicon Valley will have to be redistributed, voluntarily or involuntarily.

Jul 17, 2026

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Astrix Security, which uses ML to secure app integrations, raises $25M

Astrix Security, which uses ML to secure app integrations, raises $25M

Astrix Security, a platform that helps companies manage and secure third-party app integrations, today announced that it closed a $25 million Series A funding round led by CRV with participation from Bessemer Venture Partners and F2 Venture Capital. Co-founder and CEO Alon Jackson says that the round, which brings Astrix’s total raised to $40 million, […]

Jun 28, 2023

Security startup Horizon3.ai is raising $100M in new round

Security startup Horizon3.ai is raising $100M in new round

Horizon3.ai is raising a $100M round led by NEA at a valuation of upwards of $750M, according to a filing and sources.

May 28, 2025

Anthropic raises $450M to build next-gen AI assistants

Anthropic raises $450M to build next-gen AI assistants

Anthropic, the prominent generative AI startup co-founded by OpenAI veterans, has raised $450 million in a Series C funding round led by Spark Capital. Anthropic wouldn’t disclose what the round valued its business at. But The Information reported in early March (and as confirmed by us when we were leaked the pitch deck for the […]

May 23, 2023

Irregular raises $80 million to secure frontier AI models

Irregular raises $80 million to secure frontier AI models

Irregular, the AI security startup, now has a valuation of $450 million, a source close to the deal told TechCrunch.

Sep 17, 2025

Most Recent

Natural raises $30M to reinvent payments for AI agents — and take on Stripe

Natural raises $30M to reinvent payments for AI agents — and take on Stripe

The one-year-old startup aims to reinvent financial architecture for autonomous AI transactions.

Jul 20, 2026

Inference startup Infinity raises $15M from Touring Capital, OpenAI and Anthropic researchers

Inference startup Infinity raises $15M from Touring Capital, OpenAI and Anthropic researchers

AI infrastructure company Infinity announced Monday a $15 million raise at a $100 million valuation from investors including Touring Capital, Principal VC, and researchers from companies such as OpenAI and Anthropic.

Jul 20, 2026

StrictlyVC returns to New York City September 10 to celebrate a huge year for the city’s startup community

StrictlyVC returns to New York City September 10 to celebrate a huge year for the city’s startup community

For the first time since 2024, StrictlyVC is coming back to New York City — and we're bringing the kind of access you’d expect from an under-wraps event to the whole startup, VC, and dealmaking community.

Jul 20, 2026

Neil Rimer thinks the AI money is coming back out

Neil Rimer thinks the AI money is coming back out

Neil Rimer, the venture capitalist who co-founded Index Ventures, predicts the historic wealth AI is generating in Silicon Valley will have to be redistributed, voluntarily or involuntarily.

Jul 17, 2026

Similar Posts

Astrix Security, which uses ML to secure app integrations, raises $25M

Astrix Security, which uses ML to secure app integrations, raises $25M

Astrix Security, a platform that helps companies manage and secure third-party app integrations, today announced that it closed a $25 million Series A funding round led by CRV with participation from Bessemer Venture Partners and F2 Venture Capital. Co-founder and CEO Alon Jackson says that the round, which brings Astrix’s total raised to $40 million, […]

Jun 28, 2023

Security startup Horizon3.ai is raising $100M in new round

Security startup Horizon3.ai is raising $100M in new round

Horizon3.ai is raising a $100M round led by NEA at a valuation of upwards of $750M, according to a filing and sources.

May 28, 2025

Anthropic raises $450M to build next-gen AI assistants

Anthropic raises $450M to build next-gen AI assistants

Anthropic, the prominent generative AI startup co-founded by OpenAI veterans, has raised $450 million in a Series C funding round led by Spark Capital. Anthropic wouldn’t disclose what the round valued its business at. But The Information reported in early March (and as confirmed by us when we were leaked the pitch deck for the […]

May 23, 2023

Irregular raises $80 million to secure frontier AI models

Irregular raises $80 million to secure frontier AI models

Irregular, the AI security startup, now has a valuation of $450 million, a source close to the deal told TechCrunch.

Sep 17, 2025