Security
Check if a site's connection is secure
Read the lock icon next to the URL and what it does and doesn't promise.
1 min read
The lock icon means the connection between your Mac and the site is encrypted. It does not mean the site is run by people you can trust.
Lock icon
Closed lock = HTTPS, encrypted. Open lock = HTTP, anyone on the network can read your request.
Triangle warning
Step shows a warning triangle when a certificate is invalid or the connection mixes secure and insecure resources. Don't ignore it.
Inspect the certificate
Click the lock → Connection is secure → Certificate. Step shows who issued the certificate and when it expires.