security startup

Moonshot AI, one of China's leading artificial intelligence startups, is reportedly seeking access to additional Nvidia Blackwell chips. The request comes just a week after a Trump administration official flagged a breach of US export controls restricting advanced AI chips from reaching Chinese firms. The report adds fuel to ongoing tensions over US chip export policy and China's race to secure computing power for AI development.

Frontier, the carbon removal buyer consortium backed by major tech companies, has secured a deal with a startup that stores carbon dioxide permanently in rock formations, according to an exclusive report. The agreement marks another step in scaling mineralization-based carbon removal, a technology that locks CO2 underground by reacting it with certain rocks.

Canadian AI company Cohere is moving to acquire AISLE, a startup working on AI-powered cybersecurity. The deal was reported by Reuters and picked up by other outlets, underscoring the growing race among AI developers to strengthen security capabilities around their models as enterprise adoption expands. Details on price and timing have not been made public.

Humxn Research Labs has announced plans to spend $50 million acquiring data on skilled trades, farming, and manufacturing to train AI-powered robots. The startup is paying for recordings and demonstrations of human workers performing hands-on tasks, betting that real-world labor data is the key bottleneck for robotics. The move highlights a growing scramble among robotics firms for high-quality physical-world training data as generative AI models increasingly move into hardware.

Cybersecurity startups raised $6.8 billion in the third quarter of 2026, roughly 50 percent more than the previous quarter, according to Crunchbase News. The jump points to renewed investor appetite for security and defense-focused ventures, with large venture rounds and AI-driven security companies drawing a growing share of funding.

Canadian AI firm Cohere is moving to acquire AISLE, a startup working on AI cybersecurity, according to a Reuters report. The deal would add security-focused capabilities to Cohere's enterprise AI business as competition among AI companies for specialized technology intensifies.

Canadian AI company Cohere has moved to acquire AISLE, a cybersecurity firm, according to PYMNTS. The deal signals Cohere's push to expand beyond enterprise language models into security offerings, a growing area of demand as companies adopt AI. Details on the price and timeline of the acquisition have not been reported, and reaction from the wider industry remains limited so far.

Startup Ambrosia Energy says it will build a 10 GWh battery factory in Texas to produce batteries that pair with solar panels, creating round-the-clock clean power for off-grid data centers. The plan reflects growing demand for self-sufficient energy supplies as data center power needs surge and grid connections become harder to secure.

Canadian AI firm Cohere has signed a deal to acquire AISLE, a startup specializing in AI cybersecurity. The move signals Cohere's intent to expand beyond large language models into security offerings for enterprise AI systems. Details on the deal's value and timeline have not been disclosed.

Offensive security startup CodeWall has launched with $4 million in funding to develop AI agents that attack enterprise systems to find vulnerabilities before criminals can exploit them. The company is part of a growing wave of startups using artificial intelligence for automated penetration testing and red-teaming, as enterprises face increasingly sophisticated and fast-moving cyber threats.

Former officers of Israel's Unit 8200 have raised $34 million for Mave, a startup building agentic AI tools for security operations. The funding positions the company among a growing wave of ventures founded by alumni of the elite Israeli intelligence unit, applying autonomous AI agents to detect and respond to cyber threats in security operations centers.

Sedaro, a US space technology company, has appointed retired US Space Force Lieutenant General Bill Liquori as an advisor. The move adds senior military space expertise to the company's leadership as it works with government and commercial customers, and signals closer ties between the startup and the national security space community.

Salience Labs has secured $125 million in funding to develop photonic networking chips, which use light rather than electrical signals to move data. The Oxford-born startup is part of a wave of companies betting that optical interconnects will ease the bandwidth and power bottlenecks facing AI data centers, and the round ranks among the larger raises in the sector this year.

AI company Cohere has signed a letter of intent to acquire AISLE, a startup specializing in AI-powered cybersecurity. The deal, currently at the letter of intent stage, signals Cohere's interest in expanding into security products as enterprises seek protection for AI systems. Details on price and timeline have not been disclosed, and further announcements are expected once due diligence concludes.

Consus, a startup from Y Combinator's Fall 2024 batch, has launched an LLM gateway aimed at companies that handle sensitive data. The tool lets businesses route AI model requests while keeping control over confidential information, addressing privacy and compliance concerns that often block enterprise AI adoption. Hacker News users are discussing the launch and its approach to data security.

A defense startup valued at roughly $90 billion is being described as developing weapons faster than the Pentagon, according to a widely shared report drawing major attention online. The claim highlights growing debate over the speed of traditional military procurement versus agile private defense firms, and the shifting role of venture-backed companies in national security.

Reflect Orbital has secured bookings for two launches of its satellites designed to reflect sunlight back to Earth at night, effectively providing solar lighting from orbit. The California-based startup aims to sell sunlight-on-demand to solar farms after dark, a concept that has drawn both interest from the energy industry and criticism from astronomers concerned about light pollution and its effects on wildlife and night skies.

Skild AI has deployed its four-legged robots to patrol Pittsburgh airport, marking a visible step for the robotics startup's security-focused autonomous machines. The rollout puts its quadruped technology to work in a public, high-traffic setting and is drawing attention as a real-world test of AI-powered patrolling.

Brazilian political figures Lula and Flávio Bolsonaro are locked in a dispute over legislation that commentators say could determine the fate of jobs in the country's startup sector. The clash has drawn wide attention, with discussion framing the law as decisive for workers and founders in Brazil's technology industry.

A US-Israeli browser startup has reached a $6.4 billion valuation, drawing attention as AI-powered agents begin to reshape how work is done in the workplace. The funding underscores investor enthusiasm for browser-based AI tools, alongside growing debate over the security and compliance risks these autonomous agents introduce for companies that adopt them.

Startup Licube says fusion power plants will need large amounts of lithium, and it is preparing to become a key supplier to the emerging fusion industry. The company is presenting its plans at TechCrunch Disrupt, arguing that as fusion moves toward commercialization, securing fuel supply chains like lithium will become a critical part of the market.

A site called Tailworm has launched, focusing on vulnerabilities in Tailscale, the widely used mesh VPN and zero-trust networking tool. The project is being shared and discussed on Hacker News, where readers are weighing what the disclosed weaknesses mean for organizations that rely on Tailscale for secure remote access. Details about the site's operators and the specific flaws remain limited.

Zerodha co-founder Nikhil Kamath said AI companies are raising more funding than their revenues justify, and advised startups to secure capital now while the money is available. His comments, reported by Hindustan Times, come as Indian founders weigh the AI investment boom against questions about how sustainable current funding levels are.

Monitoring software firm Datadog has reportedly made a bid of close to $4 billion for Upwind, a cloud security startup, in a move aimed at strengthening defenses for AI workloads. The reported offer is drawing attention across tech and finance circles as consolidation in cloud and AI security accelerates. Neither company has confirmed the terms, and it remains uncertain whether a deal will be completed.

An open-weight model from Chinese AI startup DeepSeek has beaten Google's closed, gated Gemini model in a bug-finding benchmark, according to a Fortune report. The result is drawing attention because an openly available model outperforming a proprietary system challenges assumptions about the gap between open and closed AI, and highlights how quickly Chinese labs are closing in on US frontier models in coding and security tasks.

Chinese AI startup Moonshot has restricted the hacking-related capabilities of its new Kimi model, Reuters reports, citing growing concern that advanced AI tools could be exploited for cyberattacks. The move highlights how developers are weighing model capability against misuse, as regulators and security experts warn that increasingly powerful AI systems could lower the barrier for offensive cyber operations.