"Releasing the information opens up the systems for attack."
WTF. Security through obscurity? This shit needs to be thrown out immediately.
They're both mRNA based.
Here are some that use inactivated viral matter:
BBV152 - COVAXIN (Bharat Biotech Int. Ltd)
VeroCells (Wuhan Provincial CDC)
BBIBP-CorV (Beijing Institute of Biological Products Co., LTD)
Inactivated SARS-CoV-2 (Sinovac, Butantan Institute)
Imagine the Smell.