Anthropic targets vulnerability detection gains with Claude Security public beta — here's what users can expect

Anthropic has announced the public beta for Claude Security, its cybersecurity tool used for scanning codebases, detecting vulnerabilities, and generating patches.

Claude Security can scan full enterprise repositories to flag potential flaws – then open Claude Code to fix them – to reduce detection and response to one session for cyber workers.

In a video demo, Anthropic showed how Claude Security can conduct scans in just a single click, which prompts the tool to analyze relationships between components, data usage, and the viability of source code.

The tool then provides a list of potential vulnerabilities, including how each flaw can be reproduced and justifications for how severe they are. Along the way, Claude Security suggests how confident it is that the vulnerabilities it detects are legitimate.

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Claude Security is accessible directly within Claude, or via a dedicated page on its website.

"Strong potential" with Claude Security

Claude Security was previously known as Claude Code Security, which Anthropic first made available to select organizations as a research preview.

The firm said it has collected feedback from hundreds of firms, which has helped make Claude Security more useful for enterprise applications.

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For example, Anthropic tweaked the tool to place a greater emphasis on validating AI findings, attaching a confidence percentage to each finding to reduce false positives.

New additions also include scheduled and targeted scans, as well as the option to export findings to Slack, Jira, or as CSV and Markdown files.

"Claude Security surfaced novel, high-quality findings during our early testing of the research preview that helped us identify and address potential security issues before they could affect our environment or our customers,” said Krzysztof Katowicz-Kowalewski, staff product security engineer at Snowflake.

“We see strong potential as we expand its use."

Concerns over AI security threats

Claude Security is underpinned by Claude Opus 4.7, Anthropic’s latest model which comes with embedded cyber guardrails. These are intended to prevent users from using the model for high-risk security tasks.

Anthropic’s new commitment to gating its cyber capabilities comes in the wake of its Project Glasswing launch, which saw it provide its most capable cyber model Claude Mythos Preview to select partners but not the public over safety concerns.

The UK’s AI Security Institute (AISI) has independently verified that the model is more capable at cyber tasks, and that it was the first to complete a 32-step enterprise network attack simulation designed to test LLM cyber exploit capabilities.

“Mythos Preview’s success on one cyber range indicates that it is at least capable of autonomously attacking small, weakly defended and vulnerable enterprise systems where access to a network has been gained,” the researchers noted.

However, they added that there are differences between real-world environments and simulations, such as the lack of proactive human defenders, which make it difficult to confirm that a model such as Mythos Preview could successfully breach well-defended systems.

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