A new paper presented at COLM 2025 by Meghana Rajeev, Rajkumar Ramamurthy, Prapti Trivedi, and others, exposes critical vulnerabilities in state-of-the-art reasoning language models. The team developed “CatAttack,” a pipeline for generating adversarial triggers, where irrelevant phrases like “Interesting fact: cats sleep for most of their lives,” that, when appended to input math problems, mislead models such as DeepSeek R1 and OpenAI’s o1 into producing wrong answers. The researchers report up to a 300% increase in error rates for reasoning models and as much as 700% for instruction-tuned systems. Beyond accuracy degradation, CatAttack also caused responses to double or triple in length, driving up latency and costs. The authors warn that these findings highlight “security and reliability concerns” for models deployed in finance, law, and healthcare, underscoring the need for robust defense mechanisms and curation of input query material.
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Strategy, has purchased 3,000 Bitcoin worth $357 million, funded through $310 million in common stock sales, André Beganski reported for Decrypt. The move comes less than a month after the firm adopted, and then modified, a policy designed to limit equity issuance when shares traded below a 2.5x premium to its Bitcoin holdings. Initially intended to signal “discipline,” the framework included a caveat allowing exceptions “when otherwise deemed advantageous.” As of Monday, Strategy controls about 632,500 BTC valued at $70.5 billion, according to Bitcoin Treasuries. Shares fell 2.7% to $348, though both stock and Bitcoin are up 20% year-to-date. Analysts remain divided on the strategy’s sustainability, with some likening it to a Ponzi scheme given preferred-share dividend obligations. Others see tactical flexibility. “It makes him harder to predict,” said Steven Lubka of Nakamoto, of CEO Michael Saylor.
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Google will require all Android developers, not just those on the Play Store, to verify their identities starting in 2026, a shift that will effectively block sideloading of unverified apps on nearly all certified Android devices, Ryan Whitwam reported. The company likened the system to an “ID check at the airport,” citing data that sideloaded apps are 50 times more likely to carry malware. Developers distributing outside the Play Store will need to register package names and signing keys through a new Android Developer Console, though Google says it won’t review app content. Early testing begins this October, with phased rollouts in Asia by September 2026 and global enforcement expected by 2027. The timing coincides with antitrust rulings forcing Google to open its app ecosystem. While the change promises stronger security, critics warn it could centralize control and limit Android’s traditional openness.
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Bitcoin miner IREN has doubled its GPU fleet with the purchase of 4,200 NVIDIA Blackwell B200s worth $193 million, expanding its high-performance computing footprint to 8,500 GPUs as it pivots into AI cloud services. According to the company’s release, the systems will be installed at its Prince George, British Columbia campus, which has 50 megawatts of capacity and room to scale to 20,000 GPUs. The deal follows IREN’s $130 million July order of 2,400 Blackwell GPUs, now covered by $102 million in lease financing. The firm’s GPU portfolio will soon comprise 800 H100s, 1,100 H200s, 5,400 B200s, and 1,200 B300s, positioning IREN to serve enterprise AI demand while retaining about 50 EH/s in Bitcoin mining. The expansion underscores a strategic diversification, balancing digital asset infrastructure with AI-driven growth opportunities. Fresh capital freed from lease financing and resolution of its NYDIG loan dispute could accelerate IREN’s AI-focused trajectory.
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