Spiral Model (Boehm,1988)
https://en.wikipedia.org/wiki/Spiral_model
Spiral Model (Boehm,1988)
Wentz Wu
ISSAP, ISSEP, ISSMP CISSP, CCSP, CSSLP, CGRC, SSCP, CC, CISM, CISA, CRISC, CGEIT, PMP, ACP, PBA, RMP, CEH, ECSA
