[It means just what she said. He did trust Ribbons enough to form a joint project to hack the system, thus endangering everyone. However, she knows what all the CB members mean to one another, and Tieria would certainly do right by Neil no matter what.]
I know, Neil. [This wouldn't be the first time she put her feelings for Neil above her responsibilities with the DF, but she's willing to do so since it seems to be relatively minor -- in comparison to a crucifixion, at least.]