Security researcher Frank Denis argues that blindly zeroizing secrets via memset() can be counterproductive, as compilers optimize away the wipe and register-resident values leave residual copies. He demonstrates that volatile byte stores are a more reliable approach to force actual memory writes.
Background
Memory zeroization is a standard recommendation in security guidelines, but its practical effectiveness depends on compiler behavior and hardware architecture. This article is part of Denis's ongoing series on secure memory handling.
- Source
- Lobsters
- Published
- Oct 8, 2026 at 12:22 AM
- Score
- 6.0 / 10