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Prompt Injection Attacks Surge as AI Systems Become Prime Targets
When Language Becomes the New Cyber Weapon
Devona Green Jordan
October 08, 2025
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Interesting Tech Fact:
Long before “prompt injection” became a cybersecurity concern, a strikingly similar manipulation technique emerged in 1966 with ELIZA, one of the first chatbot programs ever created at MIT. ELIZA was designed to mimic a psychotherapist by reflecting users’ inputs back to them — but early testers quickly discovered that with carefully phrased sentences, they could “trick” ELIZA into revealing its internal scripts or behave in unintended ways. This early form of linguistic exploitation foreshadowed today’s AI prompt manipulation, showing that even at the dawn of conversational computing, the battle between instruction and interpretation had already begun. The echoes of ELIZA’s simplicity now resonate in the complex vulnerabilities of modern large language models, proving that the roots of AI deception stretch back further than we realize.
