Falcon uses execution traces to verify secure agentic code
The framework ties security rewards to real program behavior during test-time repair and reinforcement learning.
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The framework ties security rewards to real program behavior during test-time repair and reinforcement learning.

Without rules, Sonnet 5, Composer 2.5, and GPT 5.5 all left IDOR flaws in a document portal.
Across 32 LLMs, newer models are safer in absolute terms, but no family closes the code security gap.
A 267-word specification frame cut security defects in code from five frontier models, and never made any model worse.

Chris Domas explains at Black Hat how legal compiler optimizations can strip security checks and memory-clearing operations, turning secure C source into vulnerable binaries.
Datadog Security Labs tested Sonnet 5, Composer 2.5, and GPT 5.5 to see if plan mode yields more secure code than default mode.
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