Phishers find a new use for invisible Unicode tag characters Fraudsters have found a new use for ASCII smuggling, typically used to hide malicious prompts intended for AI models, in an old school attack method: email phishing. Microsoft uncovered a massive phishing campaign using invisible Unicode tag characters that peaked at more than 2.37 million messages in late February, remained elevated during weekdays over the next three months, and gradually declined by mid June. “As AI era attack...
