I was thinking more in the line of hacking the systems they run in and deleting/corrupting everything, at the point of reaching the backups even. But rigging t

I was thinking more in the line of hacking the systems they run in and deleting/corrupting everything, at the point of reaching the backups even. But rigging their base informations, or injecting "knowledge" that somewhat mess up things, that their partners are instructed to ignore is another kind of possible attack.