ASCII Smuggling Archives - Information Security News

December 31, 2025

AgentHopper Alert: How a Single Web Sentence Can Hijack Your AI Assistant

At the recent Chaos Communication Congress in Germany, a new warning was issued about the risks associated with AI agents. According to information security specialist Johann Rehberger, a computer running systems such as Claude...

Vulnerability

October 13, 2025

ASCII Smuggling Attack Bypasses Filters, Forcing Gemini to Obey Invisible Commands from Calendar Invites

Researchers at FireTail have discovered the resurrection of an old-class flaw — ASCII Smuggling — now resurfacing in a modern guise capable of subverting contemporary artificial-intelligence systems. In September 2025, the team evaluated a...