Military and cybersecurity experts are raising alarms about a critical vulnerability in artificial intelligence chatbots that could be exploited by adversaries to steal data, manipulate information, or disrupt operations. These so-called prompt injection attacks take advantage of the inability of large language models to distinguish between legitimate and malicious instructions, allowing attackers to embed hidden commands in content that chatbots process. Recent incidents have demonstrated how such attacks can lead to unauthorized data access or the spread of misinformation, with major chatbots like those from Microsoft and OpenAI being targeted. While organizations are developing tools to limit the impact of these attacks, experts warn that fully preventing prompt injection remains an unsolved challenge, and the speed and sophistication of artificial intelligence-powered threats outpace traditional human defenses. The growing use of artificial intelligence in critical infrastructure and military contexts underscores the urgent need for more robust and accessible cybersecurity measures.