diff --git a/4_Privacy_And_Security_Links.md b/4_Privacy_And_Security_Links.md
index 1649c85..fdffea7 100644
--- a/4_Privacy_And_Security_Links.md
+++ b/4_Privacy_And_Security_Links.md
@@ -63,12 +63,14 @@
   - A curated list of Windows Domain Hardening techniques: by @PaulSec, via: [GitHub](https://github.com/PaulSec/awesome-windows-domain-hardening)
   - Configuring Gboard for better Privacy: via [Ghacks](https://www.ghacks.net/2016/12/21/configure-gboard-privacy-google-keyboard/)
   - Settings to update on iPhone, for better privacy: via [lifehacker](https://lifehacker.com/the-privacy-enthusiasts-guide-to-using-an-iphone-1792386831)
+  - How to check App Permissions (Android, iOS, Mac & Windows): via [Wired](https://www.wired.com/story/how-to-check-app-permissions-ios-android-macos-windows/)
 - **Software**
   - How to use Vera Crypt: via [howtogeek](https://www.howtogeek.com/108501/the-how-to-geek-guide-to-getting-started-with-truecrypt)
   - How to use KeePassXC: via [EFF](https://ssd.eff.org/en/module/how-use-keepassxc)
   - How to use uMatrix browser addon to block trackers: via [ProPrivacy](https://proprivacy.com/privacy-service/guides/lifehacks-setup-umatrix-beginners) 
   - How to set up 2-Factor Auth on common websites: via [The Verge](https://www.theverge.com/2017/6/17/15772142/how-to-set-up-two-factor-authentication)
   - How to use DuckDuckGo advanced search features: via [Ghacks](https://www.ghacks.net/2013/03/24/duckduckgo-another-bag-of-tricks-to-get-the-most-out-of-it/)
+  - How to use Cryptomator (encrypt files on cloud storage): via [It's Foss](https://itsfoss.com/cryptomator/)
 - **Physical Security**
   - Hiding from Physical Surveillance: via [Snallabolaget](http://snallabolaget.com/hiding-from-surveillance-how-and-why)
   - Guide to opting-out of public data listings and marketing lists: via [World Privacy Forum](https://www.worldprivacyforum.org/2015/08/consumer-tips-top-ten-opt-outs)