I think that's exactly it. He tried to use our friendship to get you to trust him enough to talk in Interface, and then he would have slipped the virus through. And when that didn't work, it looks like he was going to forcibly inject it through that dataspike.

[Try as he might, there's a degree of fear and disgust that leaks through in his tone. ]

You did everything right, Pidge. I'm glad that you listened to your instincts.