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Microsoft adopts Signal's encryption protocol for new private conversation mode
The encrypted messaging app, built by Open Whisper Systems, has now partnered with Microsoft to encrypt messages on Skype.
technology  encryption  microsoft  signal  skype 
6 days ago by SecurityFeed
Skype Finally Adds End-to-End Encryption for Private Conversations
Good news for Skype users who are concerned about their privacy.
Microsoft is collaborating with popular encrypted communication company Signal to bring end-to-end encryption support to Skype messenger.
End-to-end encryption assured its users that no one, not even the company or server that transmits the data, can decrypt their messages.
Signal Protocol is an open source cryptographic protocol that has become an industry-wide standard—which is used in Facebook Messenger, Whatsapp, and Google Allo for secure messaging.
skype  encryption  security  privacy  signal 
10 days ago by rgl7194
Skype finally getting end-to-end encryption | Ars Technica
It’ll use the Signal protocol, also used in WhatsApp, Facebook Messenger, and others.
Since its inception, Skype has been notable for its secretive, proprietary algorithm. It's also long had a complicated relationship with encryption: encryption is used by the Skype protocol, but the service has never been clear exactly how that encryption was implemented or exactly which privacy and security features it offers.
That changes today in a big way. The newest Skype preview now supports the Signal protocol: the end-to-end encrypted protocol already used by WhatsApp, Facebook Messenger, Google Allo, and, of course, Signal. Skype Private Conversations will support text, audio calls, and file transfers, with end-to-end encryption that Microsoft, Signal, and, it's believed, law enforcement agencies cannot eavesdrop on.
skype  encryption  security  privacy  signal 
10 days ago by rgl7194
Microsoft Partners with Signal to Bring End-To-End Encryption to Skype
In a move that surprised many, Microsoft and Open Whisper Systems (makers of the Signal app) announced today they are partnering to bring support for end-to-end (E2E) encrypted conversations to Skype.
The new feature, called Skype Private Conversations has been rolled out for initial tests with Skype Insider builds.
Private Conversations will encrypt Skype audio calls and text messages. Images, audio or video files sent via Skype's text messaging feature will also be encrypted.
skype  encryption  security  privacy  signal 
10 days ago by rgl7194
Signal partners with Microsoft to bring end-to-end encryption to Skype
Skype will be getting end-to-end encryption by implementing the Signal protocol. Says Signal in a blog announcing the collaboration: "Microsoft is introducing a Private Conversations feature in Skype, powered by Signal Protocol..The Private Conversations feature is available now in preview for Skype Insiders.Microsoft joins a growing list of organizations including WhatsApp, Google, Facebook, and Signal itself that have integrated the open source Signal Protocol into their messaging platform."
otf  signal  skype 
11 days ago by dmcdev
People say things like this about Signal but tend not to acknowledge why Signal ... | Hacker News
People say things like this about Signal but tend not to acknowledge why Signal is like that. Look at how Signal handles something as basic as user profiles, then compare it to how other applications address the same problems. I'll recommend Wire alongside WhatsApp any day, but keep in mind that Wire's servers apparently have a record of every conversation that has occurred between any two Wire users (not the content, mind you, just the link).

This is why I disagree with Matthew Green, do not think we've totally figured out secure messaging yet and that they're all "so good", and think that if you're serious about privacy --- enough to have strong opinions about WhatsApp vs. Signal, for instance --- that you should use multiple messengers:

- a "tier 1" secure messaging app like Signal that makes all reasonable tradeoffs in favor of security and privacy regardless of the UX cost, used when possible and for sensitive conversations.

- a "tier 2" secure messaging app like WhatsApp or Wire as your "daily messenger".

- "tier 3" messenger applications (including email) that you use mostly to rendezvous to a real messenger application.

In this scheme you can start to understand Signal as not just a decent messenger application with best-in-class security and privacy, but also as a laboratory for future privacy enhancements to messaging.
signal  whatsapp  wire  secure  messaging 
13 days ago by ianmclaury
Attack of the Week: Group Messaging in WhatsApp and Signal - @matthew_d_green
New research released at the Real World Crypto security conference shows some theoretical flaws affecting the security of group messaging apps. However, the attacks would be exceedingly difficult to actually carry out, so there is no real risk here. Executing the attack would require knowing a a group chat's "group ID," which is a random 128-bit number, which would be extremely difficult to attain (let alone guess). As crypto expert (and OTF AC member) Matthew Green writes, the research "takes a close look at the problem of group messaging, and finds that while messengers may be doing fine with normal (pairwise) messaging, group messaging is still kind of a hack.

If all you want is the TL;DR, here’s the headline finding: due to flaws in both Signal and WhatsApp (which I single out because I use them), it’s theoretically possible for strangers to add themselves to an encrypted group chat. However, the caveat is that these attacks are extremely difficult to pull off in practice, so nobody needs to panic."

There are some differences between how this issues affects Signal vs. WhatsApp, as laid out by Green in fuller detail in the full blog post linked to above. The full research (here https://eprint.iacr.org/2017/713.pdf) also looks at messaging app Threema.
otf  messaging  security  e2e  encryption  privacy  whatsapp  signal 
13 days ago by dmcdev
How to Talk to Your Family About Digital Security | Electronic Frontier Foundation
You and your family are sipping hot cocoa, gathered around the [holiday object of your choice], and your family member suddenly asks: “Can you help me with my [insert device here]?”
They need a question answered about their computer, phone, tablet, video game console, or internet-connected device. Maybe they have related questions about their online accounts.
Or maybe there is a teenager or college student in your family that posts intensely personal information online, and has just realized that they should probably maintain more privacy in their online lives—but isn’t sure how to start.
Or perhaps the conversation of data breaches comes up around the dinner table, and Uncle Navid insists that the only way to protect yourself is to never go online at all.
security  privacy  digital  family  EFF  howto  passwords  encryption  2FA  social_media  tracking  messaging  signal 
15 days ago by rgl7194

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