Once popular for attacking AI, ASCII smuggling is embraced by spammers
A previously overlooked block of invisible Unicode characters is becoming increasingly widely used, drawing more attention as its applications expand.
MAIN POINTS
- An obscure Unicode block is now being used more broadly.
- The characters are invisible to human readers.
- What was once overlooked is gaining attention.
- Wider adoption is driving its relevance.
TAKEAWAYS
- Invisible Unicode can still have meaningful practical uses.
- Seemingly minor character sets can become important over time.
- Broader usage often brings hidden technical features into focus.
- Unicode includes elements that affect text beyond what people can see.