It is not safe to use free Wi-Fi networks as the information transmitted could be intercepted. To protect your online activities, here are some things to consider:

1. Enable network security settings
2. Do not join a public Wi-Fi network without a secure connection
3. Do not access personal accounts or information
4. Install a reliable antivirus and anti-malware program
5. Adopt high security measures for your passwords
6. Be aware of shoulder surfing