Microsoft warns that attackers are using ASCII smuggling and invisible Unicode characters to evade phishing filters.

Fraudsters have found a new use for ASCII smuggling, typically used to hide malicious prompts intended for AI models, in an ...

Threat actors have adopted the ASCII smuggling technique in phishing campaigns, using invisible Unicode characters to evade email security filters.

I picture it happening this way. The Roman alphabet is on the run, pursued by a much larger army of Arabic characters with long scimitar-like ligatures, Chinese characters that look like throwing ...

June 2026 phishing phase that reused an AI-era Unicode concealment trick to slip through unprepared email filters.

Over on YouTube [Nic Barker] gives us: UTF-8, Explained Simply. If you’re gonna be a hacker eventually you’re gonna have to write software to process and generate text data. And when you deal with ...