News & Info
Updates, how-tos, and what's happening in the world of network privacy and file sharing.
What does a MAC address actually tell you?
A MAC address isn't just a random string of hex. Here's what the format actually encodes, what it reveals about a device, and where it stops being useful.
August 22, 2026Why AirDrop keeps getting restricted in China and Hong Kong
Beijing has published rules governing offline file-sharing tools like AirDrop and disclosed a way to unmask anonymous senders. Here's what changed, and why proximity-based sharing shouldn't be assumed anonymous.
August 22, 2026The Flock camera backlash, and the case for knowing your own network
Flock Safety's license plate readers are getting torn down, canceled, and caught streaming to the open internet. The bigger lesson - know what's actually on your own network.
August 19, 2026How to scan your local network for connected devices on macOS
Three ways to list every device on your local network from a Mac - the built-in arp and ping tools, Bonjour browsing, and IP Scanner - with the trade-offs of each.
August 19, 2026IP Scanner Ultra for Apple-centric IT work
What IP Scanner Ultra adds over the standard edition - unlimited device counts, saved network profiles, port scanning and export - and who actually needs it.