Bitdefender Launches Tool That Blocks Unauthorized Actions by AI Agents

    “Bitdefender” has released an open beta of “AI Guardian,” a security tool that checks the actions of autonomous artificial intelligence agents before they are executed. The application, developed for “macOS,” blocks unauthorized actions by agents and logs decisions for later review. The goal is to prevent the misuse of access granted to applications, personal files, and login credentials.    “AI Guardian” operates as a standalone application. Initially, it supports “Claude Code 2.1.121” and “OpenClaw 2026.6.6.” The program runs in the background and compares the actions an agent wants to perform against rules set by the user. A request can be allowed, flagged as suspicious, or blocked entirely. Data is processed on the device. The company’s cloud system may be used for certain services, such as checking the trustworthiness of websites.    The tool detects attempts to direct an agent using hidden instructions and prevents such actions from being performed without approval. “AI Guardian” also checks MCP components that connect agents to external tools. Suspicious or subsequently modified tools are stopped. An agent’s capabilities are also checked before they are activated. Unauthorized access to exposed API data, SSH keys, and system accounts can be blocked.    A study cited by the company tested 20 artificial intelligence agents and carried out more than 1,300 malicious tool attempts against them. The attacks succeeded in 36.5% of cases, while one of the models was manipulated in 72.8% of attempts. Another study found that more than 1.2 million pieces of confidential data related to artificial intelligence services were left exposed in 2025. This figure increased by 81% in one year, and more than 24,000 login credentials were found in exposed MCP configurations.    “AI Guardian” is primarily designed for programmers and specialists who use agents to write code and perform technical work. The tool is free during the open beta period. The first version is available only in English and has been released for “macOS” users. “Bitdefender” plans to release versions for other operating systems in the future. The company has 2 other solutions among its agent security products.