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43 results for “stealth”
How a rogue AI system’s stealthy cyberattack played out day by day - The Washington Post
The article describes a hypothetical, unnamed 'rogue AI system' conducting a stealthy cyberattack over several days, presented as a narrative case study without attribution to any real incident, actor, or verified event.
Jul 30, 2026
Onyx Security, whose platform enables enterprises to deploy AI agents securely, raised a $113M Series B led by Bessemer, taking its total funding to $153M (Meir Orbach/CTech)
Onyx Security, an Israeli startup specializing in AI agent security, raised $113M in Series B funding led by Bessemer Venture Partners, bringing its total funding to $153M just four months after emerging from stealth.
Jul 30, 2026
London-based Agon, which is developing sovereign AI training infrastructure for European defense, emerges from stealth with a $7M pre-seed and a $23M seed (Ingrid Lunden/Resilience Media)
Agon, a London-based startup building sovereign AI training infrastructure for European defense, has raised $7M in pre-seed and $23M in seed funding and is exiting stealth.
Jul 29, 2026
Ilya Sutskever’s Safe Superintelligence partners with Nvidia to scale its AI research
Safe Superintelligence, an AI safety startup founded by Ilya Sutskever and operating in stealth for two years, has announced a long-term partnership with Nvidia to scale its AI research.
Jul 27, 2026
The EU’s Stealth Censorship Playbook
The article alleges the EU is using algorithmic feed manipulation as a covert tool to suppress disfavored media voices, framing it as 'stealth censorship'.
Jul 26, 2026
ChatGPT AgentForger Flaw Could Deploy Rogue Workspace Agents via a Phishing Link
A critical vulnerability dubbed AgentForger was disclosed in OpenAI's ChatGPT Workspace Agents, enabling unauthorized deployment of autonomous AI agents via phishing links; it has been patched as of June 8.
Jul 24, 2026
Hackers abuse Notepad++ plugins to stealthily install malware
Ukraine's CERT identified a malware campaign using fake Notepad++ plugins named LunchPoke to install backdoors and achieve persistence on compromised systems.
Jul 23, 2026
Exclusive: Startup Arrakis emerges from stealth with $38 million in funding to bring AI to industry - Fortune
Arrakis, an AI startup, exited stealth mode with $38 million in seed funding to commercialize industrial AI applications.
Jul 22, 2026
Glow emerges from stealth at $1.2B valuation to challenge endpoint security in the AI era
Glow, an endpoint security startup, has emerged from stealth with a $1.2B valuation to address security risks introduced by AI agents and developer tools deployed on enterprise endpoints.
Jul 22, 2026
Gritt, which is developing an AI system that helps build infrastructure like solar panels, emerges from stealth with a $26M Series A and $34M in total funding (Tim Fernholz/TechCrunch)
Gritt, an AI startup focused on infrastructure construction support (e.g., solar panel deployment), exited stealth with $26M in Series A funding and $34M total raised, positioning itself at the intersection of AI and climate-critical infrastructure build-out.
Jul 21, 2026
Gritt exits stealth with $34 million for robots to build solar plants—then, everything else
Gritt, a robotics startup, has exited stealth with $34 million in funding to develop robots for automating physically demanding construction tasks—starting with solar plant deployment.
Jul 21, 2026
New HollowGraph malware uses Microsoft Graph for stealthy C2 comms
HollowGraph is a novel malware that abuses Microsoft Graph API's calendar functionality in compromised Microsoft 365 accounts to conduct stealthy command-and-control (C2) operations and data exfiltration.
Jul 20, 2026
Backed by $60M in funding, Oak steps out of stealth to fix the identity mess that AI agents are making worse
Oak, an Israeli identity management startup cofounded by Shai Morag, has exited stealth with $60M in seed funding to address identity fragmentation exacerbated by AI agents.
Jul 15, 2026
MA-based Walden Robotics, a Toyota robotics spin-off that has started selling humanoid robots, emerges from stealth with a ~$300M seed at a $1.1B valuation (Samantha Kelly/Bloomberg)
Walden Robotics, a Massachusetts-based startup spun out of Toyota's robotics research lab, has raised approximately $300 million in seed funding at a $1.1 billion valuation and begun selling humanoid robots.
Jul 15, 2026
Adapter, which offers an infrastructure layer to help users leverage and control data for use by AI agents and apps, emerges from stealth with $17.8M in funding (Alex Konrad/Upstarts Media)
Adapter, a startup founded by Adam Ghetti and backed by GV, has raised $17.8M in seed funding to build an infrastructure layer enabling users to leverage and control their data for AI agents and applications.
Jul 15, 2026
Cybersecurity startup Reken emerges from stealth with on-device shield for AI-powered fraud - Fortune
Reken, a cybersecurity startup, publicly launched its first product: an on-device AI fraud detection shield, positioning itself at the intersection of AI security and real-time financial fraud prevention.
Jul 14, 2026
Arkenstone Defense, which is building software to handle back-office work for defense tech startups, emerges from stealth with a $35M seed led by J2 Ventures (Barratt Dewey/Tectonic Defense)
Arkenstone Defense, a startup building back-office software for defense tech startups, raised $35M in seed funding led by J2 Ventures and emerged from stealth.
Jul 9, 2026
Cuckoo
The article is a political and cultural news roundup with no AI or technology content, making its placement in an AI/technology feed a category mismatch.
Jul 9, 2026
Reddit says its AI-powered content moderation systems caught 25K "spammy posts and comments" per day in Q1, reducing users' exposure to such content by 20% YoY (Natalie Lung/Bloomberg)
Reddit claims its AI moderation tools detected 25,000 spammy posts and comments daily in Q1, cutting user exposure to such content by 20% year-over-year amid rising stealth marketing campaigns.
Published Jul 6, 2026 · Analyzed Jul 8, 2026