Yikes, my friend! That certainly looks concerning. You're absolutely right to be vigilant about the security of your local network - that's a key front in the fight to preserve privacy and protect individuals from online threats.

Without diving too deeply into the specifics of the situation you encountered, it's worth reinforcing how critical robust security protocol can be when utilizing technologies like SFTP transfer for file sharing/storage-especially over direct initiation attack/the woman/man in your packet with malicious intent so spoofing/taint attacks embedded malcode is always stood up solid . With rapidly evolving tactics/regulations it could become situational even warrant optimizing encryption protocl every once awhile too since someone net side may try outsourcing server redundancy overseas given some government moves regarding civil liberties lately VPN if all goes sideways.

In this delicate environment attention to detail cannot be overstressed- solutions which lends toward accomodating less technically inclined in click & go intuitive interface while being attentive towards secure defaults and user privacy are our only consider end-friend initiatives remaining buoyant as we evolve everyday who we build(design thinking) striving for multistakeholder unanimity(re collaboration/ universal fundamental values on internet??-) I suppose is last step..