Cross-domain policy file usage recommendations for Flash Player. One of the best explanations of the security implications of crossdomain.xml files I’ve seen. If you host a crossdomain.xml file with allow-access-from domain=“*” and don’t understand all of the points described here, you probably have a nasty security vulnerability.
Recent articles
- The evolution of OpenAI's mission statement - 13th February 2026
- Introducing Showboat and Rodney, so agents can demo what they’ve built - 10th February 2026
- How StrongDM's AI team build serious software without even looking at the code - 7th February 2026