http://galaxy4ogmifzf2wwdkbedqeps7pzxa53bkluyszq6sqng4u5g5nixid.onion/blog/view/437/full-opsec-guide-for-the-new-guys-full-opsec-guide
Note: No connection is 100% secure, anything connected to wifi can be hacked remotely, even connected to a VPN( virtual private network ), even routed through tor. Expect to be exploited or get exploited. A computer is logic not magic. You don’t know more than the NSA and other intelligences with quantum engineering.