Within the underbelly of critical infrastructures, a new reality crystallises: software vulnerabilities, once the slow prey of skilled hackers over weeks, are now identified, weaponised, and deployed at machine speed. This is no hypothetical future... it is the present, inaugurated by Claude Mythos, Anthropic's frontier AI model, whose autonomous cybersecurity capabilities represent not an incremental shift but a structural rupture in how digital security is understood, defended and threatened.

For a nation racing to digitise public services, expand its startup ecosystem, and secure strategic infrastructure, the implications demand more than technical attention -- they require a recalibration of policy, preparedness, and public discourse.

Mythosis distinct not merely for writing code or parsing documentation, but for its ability to autonomously chain low-severity flaws into high-impact attacks, achieving a 72 per cent success rate against audited systems like Firefox's JavaScript engine.

Contrast this with its predecessor, Opus 4.6, which managed only two successful exploits in the same environment. This is not simply doing tasks faster; it is the removal of the human bottleneck, transforming a specialised craft into an automated industrial process.

For Indian enterprises relying on legacy or open-source software -- the very marrow of our digital public infrastructure -- the assumption that 'security through obscurity' or complexity offers protection has dissolved.

AI cuts through that haze at machine speed, and the adversary is no longer just a nation-state; it could be a well-resourced criminal group or a lone actor with an open-weight model.

Most unsettlingly, Anthropic's evaluation reveals Mythos identified a 27-year-old integer overflow in OpenBSD and a 16-year-old bug in FFmpeg -- flaws that survived decades of expert scrutiny and automated fuzzing.

If AI can surface vulnerabilities persisting through years of human review in hardened codebases, the notion of 'secure by default' must evolve.

Why India Cannot Ignore TheMythos Warning

For India, where government portals, banking interfaces, and critical infrastructure run on software stacks not comprehensively audited in years, this is no abstract concern.

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