cryptoparty.in/athens

Safe Communications

Threat Model

1. What do you want to protect? What kind of (meta)data?

2. Who do you want to protect from?

3. How bad are the consequences if I fail?

4. How much trouble am I willing to go through to prevent these consequences?

Privacy

Secrecy: Our messages should be accessible only to those we wish to.

Anonymity: Secrecy on who send and who receive the messages.

Autonomy: our ability to make decisions for own lifes, freely from those forces that have violated our secrecy or our anonymity.

"Digital" Rights

Email

the big three:

gmail

yahoo

hotmail

Email

• riseup.net

• autistici.org

• espiv.net

Chat

Decentralized Chat

Jabber: username@example.com

coyim

conversations

pidgin

autistici

Centralized Chat

Encryption

Open Source

Metadata

Centralized Chat

Signal
Private Messenger

https://signal.org/android/apk/

Signal: privacy settings

Encrypted Chat

Encrypted Audio/Video Calls

Dissappearing messages

Disable Screenshots

Password Manager

KeepPassXC

torproject.org

Tor

Orbot + Orfox

https://guardianproject.info/apps/orbot/

https://guardianproject.info/apps/orfox/

Tor Browser

Media Archive

https://open-archive.net/

Camera Obscura

https://guardianproject.info/apps/obscuracam/

www.cryptoparty.in/athens