First of all, please don't shout at me for wanting to use Skype. I know that it's evil and I fully expect all the calls and text chats going through it to be stored permanently in govt data centers... Skype app it crashes before opening on new android phone I recently purchased a new phone Huawei Mate SE and the Skype app does not open.

Understanding the Context

I tried all the suggested steps, like cleaning data, and uninstall it but nothing works. Today there was an update for the app and I was hoping it would fix the problem but it's the same. Skype users can be discovered by simply enumerating common strings. Disabling calls from strangers is still a good thing to do though personally I don't mind talking to strangers even if they want to scam me :-) Some scammers are genuinely interesting people to talk to.

Key Insights

What security issues are there when accepting skype calls from people I ... Skype calls are not end to end encrypted, because phone calls are not encrypted. It's not even close to HTTPS encryption, but it's as safe as your regular phone line. If you are comfortable calling your bank from your landline or your cell phone, you can be comfortable with Skype too. Some will point that Skype has the opportunity to listen to your calls, but so does your telecom provider.

Final Thoughts

And ... encryption - Is it safe to call banks from Skype? - Information ... On each of your active Skype devices, go to your settings, and enable the option " Only allow Skype calls from contacts to ring on this device ". While you will still see a missed call notification from the guest usernames, the site itself will output " Could not resolve user ", and there will be no current IP listed. Skype, like a huge number of other apps, sites, and services, uses long-lived login sessions that are stored in your user account.

Unless an attacker is able to either sit down in front of a logged-in session on your computer, or get you to run malicious software either within your user account or as an Administrator, those sessions are safe.