Anthropic: Mythos has been able to transform publicly known vulnerabilities into executable exploits
June 9th — Anthropic’s latest test results show its AI model Mythos successfully exploited 18 of the 21 recently disclosed Windows kernel vulnerabilities, with an approximately 86% success rate. Mythos is capable of automatically generating runnable network attack exploits based solely on publicly available vulnerability information, at an average cost of around $2,000 per successful exploit.
Anthropic stated that Mythos has demonstrated the ability to translate public vulnerability data into effective attack tools. This research highlights the dual-use nature of advanced AI models in cybersecurity, fueling further industry concerns about defining appropriate boundaries for AI capabilities and strengthening security governance measures.
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Overseas Funds Continue to Withdraw from Korean Stock Market, Cumulative Net Sales Reach $75 billion in the Year
June 9 – Per Goldman Sachs data cited by The Kobeissi Letter, global investors are selling South Korean stocks at an unparalleled pace. Foreign investors net sold roughly $8.01 billion in Korea Composite Stock Price Index (KOSPI) equities on Monday, following a $10 billion outflow in the prior week.
For every trading day over the past month, foreign investors have held a net selling position, pushing total net outflows from South Korean stocks to $75 billion year-to-date. Meanwhile, South Korean retail and institutional investors have cumulatively net purchased around $69 billion over the same period, stepping in to absorb the selling pressure from foreign players. The Kobeissi Letter notes the South Korean stock market is undergoing a historic shift in fund flows.
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Opinion: The US Military Can Safeguard the Strait of Hormuz, but Allies' Participation is Essential to Ensure Accessibility
On June 9, former U.S. Secretary of Defense Lloyd Austin said the U.S. Navy has the ability to reopen the Strait of Hormuz. But keeping this critical oil and gas shipping lane open long-term would come at a steep cost and require allies to chip in, he noted.
Austin, who served as Secretary of Defense under the Biden administration, explained: “The U.S. Navy can definitely reopen the Strait of Hormuz. But sustaining it open for the long haul won’t be cheap—so if we have to do that, we want the international community to pull together on this. Reopening the strait means we expect allies and partners to join in too, because freedom of navigation matters not just to the U.S., but to everyone around the globe.”
Austin also pointed out that Israel’s ongoing attacks on Hezbollah in Lebanon are a major roadblock to wider diplomatic efforts aimed at ending the conflict. He called for the situation to “de-escalate” so negotiations can move forward.
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《The Big Short》 Protégé Steve Cautious About SpaceX IPO, Calling It Overly Leveraged on AI and With Excessive Capital Expenditure
On June 9, Steve Eisman—who gained fame for successfully shorting the U.S. real estate market and was the real-life prototype for a character in *The Big Short*—said he will not immediately short SpaceX following its IPO, though he remains cautious about the company’s IPO prospects.
Eisman noted SpaceX’s capital expenditure (capex) is expanding rapidly, with data showing the firm’s capex as a share of revenue jumped from 42% in fiscal year 2023 to 215% in the first quarter of 2026. He attributes this surge mainly to SpaceX accelerating its transition into an AI services and infrastructure company, rather than remaining solely a space technology firm.
Eisman added that current AI large models and intelligent agent products lack meaningful differentiation, with industry competition growing increasingly homogeneous—making it hard to build a sustainable long-term moat. "What’s built with massive amounts of capital is essentially just a commodity," he remarked.
While acknowledging Elon M
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「Vampire Attack」 Surges Over 15%, MetaTech Continues to Rally, Reaching New Intraday High
On June 8, Marvell Technology (MRVL.O) hit a new intraday high, lifting its market cap to $265.1 billion. Marvell led the U.S. optoelectronics sector with a rally of over 15%, while other concept stocks in the space saw their gains narrow: POET up 7.93%, LITE up 3.75%, Nokia up 3.41%, Corning up 6.13%.
12 minutes ago
Aave Founder Defends $8.45 Billion Liquidation, V4 Upgrade to Revamp Risk Management System
June 8. This April, KelpDAO—a LayerZero-based cross-chain bridge—was hit by a $292 million exploit, sparking an $8.45 billion deposit run on DeFi lending protocol Aave within 48 hours. Amid mounting external scrutiny of the protocol’s risk controls, Aave founder and CEO Stani Kulechov argued the incident actually proved Aave’s “resilience.”
Speaking at the Paris Proof of Talk conference, Kulechov noted Aave V3 has weathered multiple market cycles and stayed stable even in extreme conditions. He attributed recent DeFi security breaches to third-party infrastructure flaws rather than vulnerabilities in Aave’s own smart contracts.
But risk analysis firm LlamaRisk explained the attacker exploited a KelpDAO vulnerability to mint valueless collateral, deposited it on Aave to siphon off real wETH, leading to roughly $1.237 billion in defaults for Aave V3. To resolve the crisis, the Aave DAO swiftly transferred 25,000 ETH, with Kulechov personally contributing an extra 5,000 ETH—totaling a ~
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