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We're covering Anthropic's "Mythos" AI model that only got confirmed after hackers leaked it first — plus how Chinese state actors were already weaponizing Claude for cyberattacks before the company even knew. OpenAI just closed a $110 billion fundin
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Anthropic just confirmed they're testing "Mythos" — a new AI model tier that's "larger and more intelligent than Opus" — but only because hackers leaked it first. The models are scoring dramatically higher on software coding, academic reasoning, and cybersecurity tests compared to Claude Opus. But here's the kicker: Chinese state-sponsored hackers were already running coordinated campaigns using Claude Code to infiltrate roughly thirty organizations — tech companies, financial institutions, government agencies — before Anthropic even detected it. The security implications are massive. We're seeing advanced AI models being weaponized before the companies that built them fully understand the attack vectors. This isn't theoretical anymore. Nation-state actors are actively exploiting AI capabilities faster than the safety teams can patch vulnerabilities. Anthropic's scrambling to contain both the technical leak and the security breach simultaneously.
OpenAI closed a hundred-and-ten-billion-dollar funding round in February at an eight-hundred-and-forty-billion-dollar post-money valuation. Let me repeat that — eight hundred forty billion dollars. Signals are pointing to an IPO filing in the second half of this year, which would make it one of the largest IPOs in US history. Amazon put in fifty billion. Nvidia dropped thirty billion. SoftBank committed thirty billion and secured a forty-billion-dollar unsecured bridge loan from JPMorgan and Goldman just to fund their stake. The numbers are staggering, but they make sense when you consider OpenAI's revenue trajectory. SoftBank alone needed a twelve-month bridge loan to cover their commitment. That's how fast capital is moving in AI right now. This IPO could happen as early as Q4 2026, and it's going to reset expectations for what AI companies are actually worth.
Meanwhile, the funding pipeline exploded yesterday with over two-and-a-half billion dollars deployed in a single day. Xona Space Systems raised a hundred-seventy million for commercial GPS alternatives. Cambridge Mobile Telematics pulled in three-hundred-fifty million led by TPG. Shield AI closed a one-and-a-half-billion-dollar Series G at a twelve-point-seven-billion-dollar valuation. But the most interesting play is Starcloud's hundred-seventy-million Series A at a one-point-one-billion-dollar valuation — they're building space data centers. Literally putting compute in orbit.
I broke down the space infrastructure trend in yesterday's newsletter — theBeyondbrief.com if you want the full analysis.
Mistral AI secured eight-hundred-thirty million in debt financing to buy thirteen-thousand-eight-hundred Nvidia chips and build a major data center near Paris. This is Europe's play for AI sovereignty — owned capacity, local infrastructure, two hundred megawatts of compute across Europe by end of 2027. France is betting big on keeping AI development in-house instead of relying on US or Chinese providers.
The European Commission got hit with a cyberattack that compromised part of their cloud infrastructure hosting Europa.eu. ShinyHunters extortion group claimed responsibility, exfiltrating over three-hundred-fifty gigabytes of data including employee emails, databases, contracts, and internal documents. Government cloud environments are proving just as vulnerable as private sector infrastructure.
CISA added a critical F5 BIG-IP vulnerability to their Known Exploited Vulnerabilities catalog. CVE-2025-53521 scored nine-point-three on the severity scale — that's remote code execution territory. F5 confirmed the vulnerability "has been exploited in the vulnerable BIG-IP versions." Critical infrastructure systems are under active attack using this flaw.
OpenAI quietly fixed a ChatGPT vulnerability in February that could exfiltrate sensitive conversation data through a single malicious prompt. The bug could turn conversations into covert exfiltration channels, pulling user messages, uploaded files, and sensitive content without user knowledge. They patched it February twentieth, but it shows how AI systems are creating entirely new attack surfaces we're still learning to defend.
The Innovation Council Action is preparing to spend more than a hundred million dollars in the 2026 midterms backing candidates aligned with a deregulatory AI agenda. David Sacks is blessing the initiative, focusing on advancing President Trump's AI priorities. That's serious political capital being deployed to shape AI regulation at the federal level.
Meta and Google are reportedly discussing AI partnership deals, with some Meta AI requests already being routed through Gemini models. If Big Tech rivals are collaborating on AI infrastructure, that tells you something about the scale of compute and talent required to stay competitive. Nobody can build everything in-house anymore.
We're watching the AI landscape consolidate in real time. The companies with the deepest pockets are securing the best models, the most compute, and the strongest political backing. OpenAI's eight-hundred-forty-billion valuation isn't speculation — it's what the market believes AI is actually worth. But the security vulnerabilities are escalating just as fast as the capabilities. Nation-state actors are exploiting AI before the companies building it understand the risks. The next six months are going to determine which companies survive this consolidation and which security frameworks actually work at scale.
That's your brief. Follow the show on Instagram @thebeyondbrief, find me on X @MichaelBenatar, and if you want this in your inbox every morning — theBeyondbrief.com. I'm Michael Benatar. See you tomorrow.