I suggest you uninstall either one when the question has been answered. Both were available as free trials, the last time I checked. The third-party products Rubbernet and Little Snitch are supposed to record network usage by processes. It may or may not provide the information you're looking for. If you're an advanced user and you want to try, see the manual page for the nettop(1) shell command. Otherwise, there's no easy way to monitor network usage per process using built-in tools. If you use third-party network backup software, disable that. It doesn’t require installing any additional software on users’ PCs the only thing you’ll need is to share the same network (LAN) as the users being monitored. If you use iCloud, uncheck at least Photo Stream and Documents & Data in its preference pane and see whether there's any change. LanDetective is a network traffic analysis tool (network sniffer) that allows tracking Internet activity of the network users. Most often BitTorrent, iCloud or some other cloud-data application is involved in cases of mysterious bandwidth use by a Mac. If the network or the password was insecure, and bandwidth use returns to normal after securing it, you can be pretty sure the problem was caused by intruders.īut intrusion may not be the issue. You make these changes in AirPort Utility, if the access point is an Apple device, or in a web browser otherwise. The password is saved in the keychain and you don't have to be able remember it in fact, you shouldn't be able to remember it. Make it a string of at least 8 random characters, including digits and upper- and lower-case letters. If it's already set that way, change the password. If yours isn't, change the security setting on the access point. Networks must be protected with WPA2 security. Any client on a wireless network, including clients you don't know about, could be consuming bandwidth.
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