If you've come across p62-sharedstreams.icloud.com and wondered whether it's safe, the short answer is yes. This is a subdomain of Apple's iCloud, specifically used for shared photo streams. It's not a standalone website you can visit — trying to access it directly returns a 400 error because it's a backend service endpoint. That's normal for this kind of infrastructure.
Apple's own security protections apply here: the connection is encrypted with a valid certificate, the server is on Apple's network, and there are no blacklists or malware flags. Because it's not a commercial site, the lack of a privacy policy or contact page is expected. If you're seeing this URL in your network activity or photo sharing, it's just Apple's system doing its job. No need to worry about scams or fraud — this is the real deal.