Obfuscation of executable code to improve resistance to static disassembly. - Cullen Linn; Saumya K. Debray (CCS, 2003)

Dynamic path-based software watermarking. - Christian S. Collberg; Edward Carter; Saumya K. Debray; Andrew Huntwork; John D. Kececioglu; Cullen Linn; Michael Stepp (PLDI, 2004)

Protecting Against Unexpected System Calls. - Cullen Linn; Mohan Rajagopalan; Scott Baker; Christian S. Collberg; Saumya K. Debray; John H. Hartman (USENIX Security Symposium, 2005)