Windows 10: Does Skype desktop app have end to end encryption for video calls

Howard_35_78 · Oct 11, 2024

HI I was wanting to now if Skype on desktop uses end to end encryption for skype video calls. The reason I am asking is because someone in facebook I spoke to is worried about his management team finding out he chatting to one of his fans.ThanksI have windows 11 24h2 currently installed my system.Skype version is: 8.129.0.202

:)

Brink · Oct 11, 2024

New Facebook Messenger end-to-end encrypted voice and video calls

Today, we’re rolling out the option to make voice and video calls end-to-end encrypted on Messenger, along with updated controls for disappearing messages. People expect their messaging apps to be secure and private, and with these new features, we’re giving them more control over how private they want their calls and chats to be.

What’s New

Option for end-to-end encrypted voice and video calls. Since 2016, we’ve offered the option to secure your one-on-one text chats with end-to-end encryption. In the past year, we’ve seen a surge in the use of audio and video calling with more than 150 million video calls a day on Messenger. Now we’re introducing calling to this chat mode so you can secure your audio and video calls with this same technology, if you choose.

End-to-end encryption is already widely used by apps like WhatsApp to keep personal conversations safe from hackers and criminals. It’s becoming the industry standard and works like a lock and key, where just you and the people in the chat or call have access to the conversation. The content of your messages and calls in an end-to-end encrypted conversation is protected from the moment it leaves your device to the moment it reaches the receiver’s device. This means that nobody else, including Facebook, can see or listen to what’s sent or said. Keep in mind, you can report an end-to-end encrypted message to us if something’s wrong.

Updated controls over Disappearing Messages. We’ve also updated the expiring message feature within our end-to-end encrypted chats. People don’t always want or need their messages to stick around and the timer controls let someone decide when their messages expire in the chat. We’ve updated this setting to provide more options for people in the chat to choose the amount of time before all new messages disappear, from as few as 5 seconds to as long as 24 hours.

What’s Coming Soon

In the coming weeks, some people may get access to more test features within these fully encrypted chats that give people greater privacy and security in their conversations.

End-to-end encrypted group chats and calls in Messenger. We’ll begin testing end-to-end encryption for group chats, including voice and video calls, for friends and family that already have an existing chat thread or are already connected. We’ll also begin a test for your delivery controls to work with your end-to-end encrypted chats. That way, you can prevent unwanted interactions by deciding who can reach your chats list, who goes to your requests folder, and who can’t message you at all.

Opt-in end-to-end encryption for Instagram DMs. We’ll also kick off a limited test with adults in certain countries that lets them opt-in to end-to-end encrypted messages and calls for one-on-one conversations on Instagram. Similar to how Messenger works today, you need to have an existing chat or be following each other to start an end-to-end encrypted DM. As always, you can block someone you don’t want to talk to or report something to us if it doesn’t seem right.

For more information on these and other features, visit our Privacy and Safety Hub at www.messenger.com/privacy.
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Source: Messenger Updates End-to-End Encrypted Chats with New Features – Messenger News

Brink · Oct 11, 2024

End-to-end encryption for one-to-one Microsoft Teams calls in preview

Earlier this year we announced end-to-end encryption (E2EE) support for Microsoft Teams Calls. Today we are pleased to announce that we’re starting to roll out E2EE for Teams calls to public preview. Once you receive the latest update, IT admins in your organization will have the option to make the feature available for you. Here’s an overview of how E2EE for Teams calls works, details around how IT Admins and users can turn it on, and how it is implemented. End-to-end encryption (E2EE) End-to-end encryption, or E2EE, is the encryption of information at its origin and decryption at its intended destination without the ability for intermediate nodes or parties to decrypt. We’re rolling out this preview of E2EE for unscheduled one-to-one calls today. When both parties in a one-to-one call turn on E2EE, the communication between those two parties in the call is encrypted from end-to-end. No other party, including Microsoft, has access to the decrypted conversation. With this release, only the real-time media flow, that is, video and voice data, for one-to-one Teams calls are end-to-end encrypted. Both parties must turn on this setting to enable end-to-end encryption. Encryption in Microsoft 365 protects chat, file sharing, presence, and other content in the call. For more information, see Encryption in Microsoft 365. How can IT Admins, make E2EE for Teams one-to-one calls available for their organization? In the IT Admin modern portal, under Enhanced Encryption policies, set which users in your organization can use the enhanced encryption settings in Teams. You can use the Global (organization-wide default) policy and customize it or create one or more custom policies and then assign them to users just like you normally set other policies. You can also use group policy to assign a policy to a group of users. You can also manage end-to-end encryption policies using Microsoft PowerShell. With Microsoft PowerShell, you can apply policies to the tenant, users, and groups. To make end-to-end encryption calls available by using the Teams admin center:

Sign in to the Teams admin center and navigate to Other settings > Enhanced encryption policies.

Name the new policy, then for End-to-end call encryption, choose users can turn it on, and then choose Save.

Once you’ve finished creating the policy, assign the policy to users, groups, or your entire tenant the same way you manage other Teams policies.

By default, end-to-end encryption isn’t available to users in your tenant. Once you’ve configured the policy, end-to-end encryption is still off by default for users when they make a Teams call. Users need to turn on end-to-end encryption in their Team settings.

Once IT Admin has set the enhanced encryption policy, do users automatically get E2EE in one-to-one calls? No, after you’ve applied the policy, users will see a setting to turn on end-to-end encryption for their one-to-one calls. To turn on end-to-end encryption, users can follow these steps:

On the top right of the Teams window, select the profile picture (or the ellipses next to the profile picture).

Choose Settings > Privacy.

Turn on end-to-end encrypted calls by toggling the switch.

How can the two parties confirm they’re on an end-to-end encrypted call? With this release, users will see the encryption indicator on the Teams call window in the upper left corner. This indicator shows that the call is encrypted. Microsoft 365 encryption technologies encrypt every Teams call. If a call is successfully end-to-end encrypted, both parties will see the end-to-end encryption indicator on the Teams call window. The Teams end-to-end encryption indicator is a shield with a lock. Hover over the end-to-end encryption indicator to display confirmation the call is end-to-end encrypted. Teams also displays a security code for the call. To confirm that end-to-end encryption is working correctly, verify that the same security code appears for both parties in the call.

If IT Admins don’t enable E2EE or users don’t turn on the setting, does that mean Calls and Meetings in Microsoft Teams aren’t secure? If you haven’t enabled end-to-end encryption, Teams still secures a call or meeting using encryption based on industry standards. Data exchanged during calls is always secure while in transit and at rest. For more information, see Media encryption for Teams.

Does this capability only exist in Teams Desktop? End-to-end encrypted calls can be made between two parties when the parties are using the latest version of the Teams desktop client for Windows or Mac, or they are on a Mobile device with latest update for iOS and Android. Does turning on end-to-end encryption on one device also turn it on for all my devices? Yes, the setting will be synchronized across supported end points. How do I enable end-to-end encryption from Mobile? By following these steps:

In Teams Mobile, go to settings > calling.

Under Encryption, turn on End-to-end encrypted calls.

How do I verify that I’m on an end-to-end encrypted call on Mobile? The mobile call also shows a lock + shield icon. Tap on the encryption indicator to reveal the 20-digit security code for the call. Just like the desktop app, both the caller and callee can verify that the code matches to ensure that both parties are on an end-to-end encrypted call. When end-to-end encryption isn’t turned on, the Teams encryption indicator is a regular shield icon without the lock. The regular shield confirms that call is protected by Microsoft 365 encryption and no end-to-end encryption security code will be shown.

What about PSTN calls? End-to-end encryption isn’t available for PSTN calls. How are calls end-to-end encrypted? Call flows in Teams are based on the Session Description Protocol (SDP) [RFC 4566] offer/answer model over HTTPS. Once the callee accepts an incoming call, the session parameters are agreed between the caller and callee and encrypted media starts flowing between the caller and callee using secure real-time transport protocol (SRTP). In normal call flows, negotiation of the encryption key occurs over the call signaling channel. In an end-to-end encrypted call, the signaling flow is the same as a regular one-to-one Teams call. However, Teams uses DTLS to derive an encryption key based on per-call certificates generated on both client endpoints. Since DTLS derives the key based on client certificates, the key is opaque to Microsoft. Once both clients agree upon the key, the media begins to flow using this DTLS-negotiated encryption key over SRTP. To protect against a man-in-the-middle attack between the caller and callee, Teams derives a 20-digit security code from the SHA-256 thumbprints of the caller’s and callee’s endpoint call certificates. The caller and callee can validate the 20-digit security codes by reading them to each other to see if they match. If the codes don’t match, then the connection between the caller and callee has been intercepted by a man-in-the-middle attack. If the call has been compromised, users can terminate the call manually. Is Chat also end-to-end encrypted during calls that are E2EE? Chat for end-to-end calls is secured by Microsoft 365 encryption. What features aren’t available with end-to-end encryption? Some features aren’t available during encrypted one-to-one calls. These unavailable features include:

Recording

Live caption and transcription

Call transfer (blind, safe, and consult)

Call Park

Call Merge

Call Companion and transfer to another device

Add participant to make the one-to-one call a group call

Can I turn E2EE on or off if I need to take advantage of features that are disabled in E2EE calls? Absolutely, if you need these features in a call, go to Settings, and turn end-to-end encryption off the same way you turned it on. What about group audio/video calls and Meetings? Microsoft 365 encryption secures group audio/video calls. As we release end-to-end encryption for Teams one-to-one calls, we will continue to learn from customers how the scenarios address their needs. We will work to bring end-to-end encryption capabilities to online meetings later. That's our overview and how-to for end-to-end encryption for one-to-one calls in Teams. Try it and let us know if you have any feedback. Remember to check for updates to make sure you have the latest client so you can turn on the feature after your IT admin has enabled it for you. Enjoy! Resources Use end-to-end encryption for one-to-one Microsoft Teams calls: https://aka.ms/e2ee Encryption Documentation: https://aka.ms/encryption
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Source: https://techcommunity.microsoft.com/...s/ba-p/2867066

Brink · Oct 11, 2024

End-to-end encrypted Private Conversations for Skype Insiders

We know extra protection is important as you share sensitive information over Skype so we’re excited to announce the preview of end-to-end encrypted Private Conversations, available now for Skype Insiders.

With Private Conversations, you can have end-to-end encrypted Skype audio calls and send text messages or files like images, audio, or videos, using the industry standard Signal Protocol by Open Whisper Systems.

The content of these conversations will be hidden in the chat list as well as in notifications to keep the information you share private.

Give it a try by selecting “New Private Conversation” from the compose menu or from the recipient’s profile. After the recipient accepts your invite, all calls and messages in that conversation will be encrypted end-to-end until you choose to end it. You can only participate in a private conversation from a single device at a time. You can switch the conversation to any of your devices, but the messages you send and receive will be tied to the device you’re using at the time.

During the preview, you will only be able to start private conversations with other Skype Insiders also running the latest version, and these interactions are limited to one-to-one conversations. Up next, we’d like to improve the UX around the invite to join a private conversation and bring the experience to the UWP client.

We’re looking to you, Skype Insiders, to tell us if this new feature works as expected before enabling it for everyone. Please submit feedback and let us know what you think!

Private Conversations are available now to Skype Insiders using Skype version 8.13.76.8 for iOS, Android, Linux, Mac, and Windows Desktop.

Thanks for all you do!

Read the Private Conversations FAQ:
What are Private Conversations in the new Skype? | Skype Support

Join the Skype Insider Program:
Skype Insider
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Source: Skype Insider Preview Private Conversations - Microsoft Community

Windows 10: Does Skype desktop app have end to end encryption for video calls

Does Skype desktop app have end to end encryption for video calls

Does Skype desktop app have end to end encryption for video calls

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