SIGNAL JAM // EPISODE 006 // Privacy 101: Chat Apps and Email

Original Air Date: 2026-03-28

Wrapping up our first batch of Privacy 101 episodes, we discuss the need for encryption in our communications, metadata, and our recommendations. Later, we reflect on the show so far, what we’ve learned, and provide a glimpse of what’s to come in the weeks and months ahead.

/ / / – – SHOW NOTES – – / / /

Updates:

• Closing out Privacy 101, for now.

• We’re working on a wiki!

• Threat model tool is temporarily delayed, but expected to be released within a few months.

In this episode:

Caesar Cipher // https://en.wikipedia.org/wiki/Caesar_cipher

Symmetric Encryption // https://www.ibm.com/think/topics/symmetric-encryption

Asymmetric Encryption // https://www.cloudflare.com/learning/ssl/what-is-asymmetric-encryption/

Snowden Leaks // https://www.theguardian.com/world/2013/jun/06/us-tech-giants-nsa-data

Gmail Scanning // https://www.npr.org/sections/thetwo-way/2017/06/26/534451513/google-says-it-will-no-longer-read-users-emails-to-sell-targeted-ads

iOS Default Encryption // https://www.nytimes.com/2014/09/27/technology/iphone-locks-out-the-nsa-signaling-a-post-snowden-era-.html

EFF on the years since Snowden’s leaks // https://www.eff.org/deeplinks/2023/05/10-years-after-snowden-some-things-are-better-some-were-still-fighting

Pentagon Pizza Meter // https://www.euronews.com/culture/2025/06/06/what-is-the-pentagon-pizza-theory-eating-away-at-the-internet

‘We kill people based on metadata’ // https://www.youtube.com/watch?v=kV2HDM86XgI&t=1052

WhatsApp Privacy Policy // https://www.whatsapp.com/legal/privacy-policy

FBI Lawful Access Document // https://propertyofthepeople.org/document-detail/?doc-id=21114562

Signal // https://signal.org/

SimpleX // https://simplex.chat/

Threema // https://threema.com/

Session // https://getsession.org/

Proton // https://proton.me/

Tuta // https://tuta.com/

PGP // https://en.wikipedia.org/wiki/Pretty_Good_Privacy

/ / / – – HOW TO REACH US – – / / /

Email:

Proton // [email protected]

Tuta // [email protected]

Our Domain // [email protected] (PGP key)

Messenger apps:

Signal // signaljam.01

[more coming soon]

Social Media:

Bluesky // https://bsky.app/profile/signaljam.me

Lemmy // https://lemmy.ml/c/signaljam

Mastodon // https://mstdn.social/@signaljam

X // https://x.com/signaljampod