Systems, methods, and software can be used to share content. In some aspect, an address associated with a packet is identified at an electronic device. The address is associated with a node on a traverse path of the packet. The address is compared with a list of one or more addresses associated with a security risk. The node is determined to have a security risk based on the address matching an address in the list of one or more addresses. In response to determining, a notification is outputted at the electronic device. The notification indicates that the traverse path of the packet has a security risk.