Phishing Campaign Sends Millions of Emails Using Invisible Unicode to Evade Filters

Microsoft is alerting of a "high-volume phishing campaign" that's using invisible Unicode tag characters to bypass email filters. "Instead of using these characters to hide instructions from people while exposing them to AI models, the attacker used them to split financial lure words such as...

ASCII smuggling crosses over from AI prompt injection to phishing evasion

In this article 1. What is ASCII smuggling? 2. Writing a practical ASCII-smuggling signature 3. What we observed: ASCII smuggling repurposed for phishing 4. What is known and what is new 5. Is there a detection gap? 6. Mitigation and protection guidance 7. References 8. Learn More Microsoft...

ASCII smuggling crosses over from AI prompt injection to phishing evasion

In this article 1. What is ASCII smuggling? 2. Writing a practical ASCII-smuggling signature 3. What we observed: ASCII smuggling repurposed for phishing 4. What is known and what is new 5. Is there a detection gap? 6. Mitigation and protection guidance 7. References 8. Learn More Microsoft...

Linux Distros Unpatched Vulnerability : CVE-2025-69224

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - AIOHTTP is an asynchronous HTTP client/server framework for asyncio and Python. Versions 3.13.2 and below of the Python HTTP parser may allow a request smugglin...

Microsoft Fixes ASCII Smuggling Flaw That Enabled Data Theft from Microsoft 365 Copilot

Details have emerged about a now-patched vulnerability in Microsoft 365 Copilot that could enable the theft of sensitive user information using a technique called ASCII smuggling. "ASCII Smuggling is a novel technique that uses special Unicode characters that mirror ASCII but are actually not...