This technique, known as ASCII Smuggling, first appeared in prompt injection attacks targeting AI systems. For example, an ...

In 2026, there has been a surge in the number of spam messages delivered to email inboxes with the help of ASCII smuggling, ...

You won't believe how much that GameCube in your attic is worth. See how much these generally unloved consoles are selling ...

Microsoft found a phishing campaign using ASCII smuggling, the invisible-character trick from AI prompt injection, to split ...

Microsoft found ASCII smuggling, an AI jailbreak trick, hiding phishing emails from filters, peaking at 2.37 million messages ...

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

Microsoft has alerted users about a significant phishing campaign utilizing invisible Unicode characters to evade email ...

Invisible Unicode tag characters often used for AI prompt injection have appeared in high-volume phishing attacks.

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

A phishing campaign sent up to 2.37 million weekday emails using invisible Unicode tags to split financial lure words and bypass filters.

Attackers use invisible Unicode characters to bypass phishing filters, hiding finance-themed scams that can steal credentials ...

A clever technique used to hide malicious prompts in attacks on AI agents has been adopted by spammers to evade filters on ...