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Anthropic to brief global financial watchdog on cyber flaws exposed by Mythos

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The AI company Anthropic will brief the Financial Stability Board (FSB) on cybersecurity vulnerabilities in the global financial system that its Mythos AI system identified, according to a report from the Financial Times.

The AI company Anthropic will brief the Financial Stability Board (FSB) on cybersecurity vulnerabilities in the global financial system that its Mythos AI system identified, according to a report from the Financial Times.

Two sources familiar with the matter told the outlet that it followed an invitation from Bank of England Governor and FSB Chair Andrew Bailey, who warned in April that Mythos threatened to "crack" cybersecurity and that public servants must mitigate against the cyber risks posed by AI.

Two sources familiar with the matter told the outlet that it followed an invitation from Bank of England Governor and FSB Chair Andrew Bailey, who warned in April that Mythos threatened to "crack" cybersecurity and that public servants must mitigate against the cyber risks posed by AI.

In addition, the Financial Times reported that the FSB is simultaneously producing a report on "sound practices" for the financial sector's adoption of AI, which it claimed the global financial watchdog will publish in June for consultation.

In addition, the Financial Times reported that the FSB is simultaneously producing a report on "sound practices" for the financial sector's adoption of AI, which it claimed the global financial watchdog will publish in June for consultation.

The reported developments come as Anthropic claims that Mythos has already detected thousands of high-severity vulnerabilities across every major operating system and web browser, including a 27-year-old flaw in OpenBSD and a 16-year-old bug in the FFmpeg video encoder and decoder software.

The reported developments come as Anthropic claims that Mythos has already detected thousands of high-severity vulnerabilities across every major operating system and web browser, including a 27-year-old flaw in OpenBSD and a 16-year-old bug in the FFmpeg video encoder and decoder software.

As a result, Anthropic has so far limited access to Mythos to around 40 companies under Project Glasswing, arguing that it is too powerful for general release. Reports suggest, however, that <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.verity.news/story/2026/anthropic-probes-unauthorized-access-to-claude-mythos-ai">a small group of unauthorised users compromised Mythos the day of its announcement</a>.

As a result, Anthropic has so far limited access to Mythos to around 40 companies under Project Glasswing, arguing that it is too powerful for general release. Reports suggest, however, that a small group of unauthorised users compromised Mythos the day of its announcement.

The FSB meeting would be the latest prompted by Mythos, <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.verity.news/story/2026/us-regulators-banks-meet-over-anthropic-ai-cyber-risks">after regulators in the U.S.</a>, U.K., Canada and Japan held their own respective emergency meetings with government officials and leading banks to discuss the AI system's potential risks.

The FSB meeting would be the latest prompted by Mythos, after regulators in the U.S., U.K., Canada and Japan held their own respective emergency meetings with government officials and leading banks to discuss the AI system's potential risks.

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The AI company Anthropic will brief the Financial Stability Board (FSB) on cybersecurity vulnerabilities in the global financial system that its Mythos AI system identified, according to a report from the Financial Times (FT).

The AI company Anthropic will brief the Financial Stability Board (FSB) on cybersecurity vulnerabilities in the global financial system that its Mythos AI system identified, according to a report from the Financial Times (FT).

Alongside this, the FT reported that the FSB is simultaneously producing a report on "sound practices" for the financial sector's adoption of AI, which it claimed the global financial watchdog will publish in June for consultation.

Alongside this, the FT reported that the FSB is simultaneously producing a report on "sound practices" for the financial sector's adoption of AI, which it claimed the global financial watchdog will publish in June for consultation.

The reported developments come as Anthropic claims that Mythos has already detected thousands of high-severity vulnerabilities across every major operating system and web browser, including a 27-year-old flaw in OpenBSD and a 16-year-old bug in FFmpeg.

The reported developments come as Anthropic claims that Mythos has already detected thousands of high-severity vulnerabilities across every major operating system and web browser, including a 27-year-old flaw in OpenBSD and a 16-year-old bug in FFmpeg.

The FSB meeting would be the latest prompted by Mythos, after regulators in the <a target="_blank" rel="noopener noreferrer nofollow" href="https://www.verity.news/story/2026/us-regulators-banks-meet-over-anthropic-ai-cyber-risks">U.S.</a>, U.K., Canada and Japan held their own respective emergency meetings with government officials and leading banks to discuss the AI system's potential risks.

Mythos is a wake-up call for global finance. Given that the technology can find and exploit faults in every major operating system and browser, the financial system's shared digital infrastructure makes this a serious macro-level threat. The authorities, therefore, must treat cybersecurity as a core financial issue, rather than some back-office technical problem.

Mythos is a wake-up call for global finance. Given that the technology can find and exploit faults in every major operating system and browser, the financial system's shared digital infrastructure makes this a serious macro-level threat. The authorities, therefore, must treat cybersecurity as a core financial issue, rather than some back-office technical problem.

The panic around Mythos is mostly a marketing ploy. When run against curl — one of the most rigorously audited codebases on earth — Mythos flagged five supposed vulnerabilities, which the security team knocked down to one. While Mythos does show some genuinely useful advances, the doomsday framing around the system is wholly inappropriate.

The panic around Mythos is mostly a marketing ploy. When run against curl — one of the most rigorously audited codebases on earth — Mythos flagged five supposed vulnerabilities, which the security team knocked down to one. While Mythos does show some genuinely useful advances, the doomsday framing around the system is wholly inappropriate.

There is a 30% chance that the U.S. will have passed legislation that requires cybersecurity around AI models before 2030, according to the Metaculus prediction community.

There is a 30% chance that the U.S. will have passed legislation that requires cybersecurity around AI models before 2030, according to the Metaculus prediction community.

Artificial Intelligence

FT: Anthropic to Brief FSB on Mythos

Jonathan Raa/NurPhoto via Getty Images

FT: Anthropic to Brief FSB on Mythos

Finance

Mythos is a wake-up call for global finance. Given that the technology can find and exploit faults in every major operating system and browser, the financial system's shared digital infrastructure makes this a serious macro-level threat. Authorities must treat cybersecurity as a core financial issue, rather than some back-office technical problem.

Mythos is a wake-up call for global finance. Given that the technology can find and exploit faults in every major operating system and browser, the financial system's shared digital infrastructure makes this a serious macro-level threat. Authorities must treat cybersecurity as a core financial issue, rather than some back-office technical problem.

There is an 85% chance that the U.S. will have passed legislation that requires cybersecurity around AI models before 2030, according to the Metaculus prediction community.

There is an 85% chance that the U.S. will have passed legislation that requires cybersecurity around AI models before 2030, according to the Metaculus prediction community.

Report: Anthropic to Brief FSB on Mythos

FTReport: Anthropic to Brief FSB on Mythos

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