Topic starter
06/07/2026 9:40 am
TL;DR: Claude Code can read files, run commands, install dependencies, and connect to APIs with the developer’s permissions, which means a poisoned prompt or unsafe setting can enable secrets leakage, destructive commands, or persistence, according to Backslash Security. Access review thinking is not enough when the tool can act inside the terminal with broad runtime freedom.
Editorial analysis by NHI Mgmt Group, based on content published by Backslash Security: “Claude Code Security Best Practices”.
Key questions
Q: What breaks when an agentic coding tool can run in the terminal with broad permissions?
A: The security boundary breaks at the point where suggestion becomes execution.
Q: Why do agentic coding tools increase secret exposure risk in repositories?
A: They expand the number of objects treated as operational context.
Q: How should teams decide which Claude Code commands need human review?
A: Commands that can change code, start containers, contact remote services, or access sensitive files should not be silently approved.
Practitioner guidance
- Harden Claude Code permissions at the managed-settings layer Disable unnecessary hooks, restrict MCP servers to explicitly trusted entries, and deny access to sensitive paths, network fetches, and broad shell commands.
- Sandbox the development environment Run the assistant inside a VM or container with filesystem and network restrictions so terminal actions cannot reach the rest of the workstation.
- Separate harmless from risky commands Use allow and ask lists so only low-risk actions are silent, while commands that can push code, launch containers, or fetch remote content require review.
Bottom line: Agentic coding tools can turn a developer terminal into a privileged execution environment, which expands the attack surface beyond ordinary IDE usage.
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06/07/2026 9:56 am
Agentic coding collapses the separation between suggestion and execution. Claude Code is not just a code-generation aid when it can read files, run commands, and reach APIs inside the terminal. That means security teams must stop thinking only in terms of developer intent and start treating runtime tool authority as a control surface. The practitioner conclusion is simple: the assistant must be authorised like a privileged executor, not trusted like a text editor.
A few things that frame the scale:
- Companies are dedicating an average of 32.4% of their security budgets to secrets management and code security, with US organisations leading at 40.8%, according to the State of Secrets in AppSec.
- Claude Code-assisted commits leaked secrets at a rate of 3.2%, more than double the human-only baseline of 1.5%, with peaks reaching 31 secrets per 1,000 commits in August 2025, according to the State of Secrets Sprawl 2026.
A question worth separating out:
A: Permissions constrain what the tool is allowed to request or execute, while sandboxing constrains the environment in which those actions occur. In practice, you need both because a limited permission set can still be abused if the runtime itself has broad filesystem or network reach.
👉 Read our full editorial: Claude Code security best practices for agentic coding tools