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12 quick stories on the rack · #privacy · Tech
4 min

What Streaming Apps Send Back While You Watch

Your streaming app isn't just delivering video. It's sending data back constantly, even when you're doing noth…

SISana Iqbal
5 min

How Encrypted Messaging Apps Verify Your Identity

Encrypted apps confirm you're talking to the right person without sharing private keys. The math is clever, an…

LPLeo Park
5 min

How Ad Targeting Tracks You After You Clear Cookies

Clearing cookies feels like a reset. It isn't. Here's exactly how ad targeting rebuilds your profile within ho…

LPLeo Park
5 min

End-to-End Encryption vs Regular Encryption Explained

Most messaging apps encrypt your data, but that doesn't mean only you can read it. Here's what end-to-end encr…

SISana Iqbal
5 min

Why Apps Request Permissions They Don't Need

Apps routinely ask for access they have no business touching. Here's the exact mechanism behind permission cre…

SISana Iqbal
5 min

Why Deleted Social Media Posts Don't Really Disappear

Hitting delete on a post doesn't erase it. Here's exactly where copies survive, who holds them, and what actua…

SISana Iqbal
5 min

Why a Password Manager Beats Your Memory

Your brain reuses passwords. A password manager doesn't. Here's the concrete mechanics of why that gap matters…

LPLeo Park
5 min

How Smart TVs Track Your Viewing Habits

Your smart TV is watching back. Here's the exact mechanism that lets it log what you watch, even with every ap…

SISana Iqbal
6 min

Why SMS Two-Factor Authentication Is Vulnerable

SIM-swapping lets attackers hijack your phone number and intercept 2FA texts. Here's exactly how it works and …

LPLeo Park
5 min

How Mobile Payment Apps Verify You Securely

Mobile payment apps never actually send your card number to a store. Here's the tokenization system that makes…

SISana Iqbal
5 min

What Happens to Your Data When You Delete an App

Deleting an app doesn't delete your data. Here's exactly where it goes, who still has it, and what you can act…

LPLeo Park
5 min

YouTube DMs Return: Private Messaging Is Back

YouTube is bringing back direct messaging in the US, seven years after killing it. Here's how the new DMs work…

LPLeo Park