National

U.S. Giants Gain Access to Claude Mythos as Australia Left Behind

Shivangi

Apr 23, 2026 11:25 AM IST

Category National

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Synopsis

Major U.S. tech companies like Microsoft and Amazon have been granted exclusive access to Anthropic’s "Claude Mythos" AI to bolster their cyber defenses. On April 23, 2026, experts warned that Australian banks and infrastructure providers remain excluded from the program. The AI is so powerful it can find and exploit software vulnerabilities at a rate humans cannot match. While the U.S. is proactively using the tool to find zero-day flaws, Australian leaders are concerned that local networks remain vulnerable to increasingly sophisticated AI-driven attacks.

Anthropic has given U.S. tech companies access to its latest AI model, Claude Mythos, to help them mitigate cyberattacks. But key services and Australian banks have been excluded from the list, raising fears local networks are being put at risk. 

Key Highlights 

• Anthropic restricts Australia’s use of the AI because it can autonomously discover software bugs.
• Flagship names in America, Microsoft and Apple, among others, are relying on it to patch security gaps.
• The tool, so far, does not allow Australian power providers and banks to test their own defences.
• AI hacking tools are becoming increasingly intelligent every few weeks, warn experts.
• The Australian government is encouraging local companies to gain access to such defensive tools.

U.S. Firms Start Testing New AI Firewalls

Several large American tech firms have begun employing AI model Claude Mythos to identify and correct latent flaws in their code. With extreme speed, the AI stays one step ahead of hackers. These global giants are fortifying their defences, however, the local providers in Australia have yet to be invited. That means Australian companies have to rely on industry-wide updates from United States vendors rather than test their own bespoke systems for systemic failings.

The new AI laugher also cuts both ways

Mythos is phenomenally adept at hunting zero-day flaws, security holes that humans haven’t discovered yet, and that’s one of the foremost reasons for the tight security. It will scan millions of lines of code, and combine multiple discrete errors into a single gaping security hole. Australian government advisors who used to be in the know say that Australia is focused on basic security,  while the technology has sprinted ahead. This new AI threat, they say, is more akin to the hypersonic missiles used by cybercriminals today than to slower, more old-fashioned methods of yesteryear.

Regulators watch the gap grow

Australian financial and corporate regulators claim they are monitoring almost every move with a view to safeguarding the national avoided Economy. Last year, the government signed a safety deal with Anthropic although critics say this does little to safeguard critical services such as water and power. Experts say Australian companies are so accustomed to a unique mix of software that they require direct access to these AI tools to identify issues in their defences that may be overlooked in global updates. Local banks have been left negotiating with regulators about the growing risk.

FAQs

1. What distinguishes Claude Mythos from other AI?

It has features for tracking down and patching up minuscule software glitches that humans have overlooked for years, the very same bugs hackers would find first.

2. Is my personal data at risk?

Not directly. The threat is really to the big systems that banks and power companies use.

3. Is this AI going to be made available to the general public?

The current version is more powerful than Anthropic would like to release publicly, though less dangerous versions may appear in the future.

4. What Is The Australian Government Doing?

They’re speaking to AI firms and software services to protect Australia from falling behind while tech advances continue.

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