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From personal chats and photos to financial documents and password entries, my Samsung Galaxy S23 Ultra houses all my sensitive data. That’s why I spent months discovering and implementing the best strategies to lock down my device and protect my privacy.
From leveraging the powerful Secure Folder and opting for end-to-end encrypted messaging, to preferring open source apps and keeping notification content hidden on the lock screen, here are the tried-and-true tricks I use to ensure my data stays exactly where it belongs – with me.
When it comes to safeguarding my most sensitive photos, videos, files, and apps on my Samsung phone, Secure Folder is a go-to solution. It’s a separate encrypted space on my device that acts like a digital vault.
First and foremost, it’s where my banking apps live. I installed all banking apps into Secure Folder. This means they are isolated from the rest of my phone’s ecosystem.
Beyond banking, I stash private documents, photos, and videos within the Secure Folder’s dedicated file storage. Unlike Android’s Private Space, I can easily move files into it from my regular gallery or file manager. This ensures that if someone gains access to my phone’s main storage, they won’t find these personal items.
I also hid Secure Folder from my apps screen and changed its app icon from the customization menu.
5
Preferring an end-to-end encrypted messaging app
Source: WhatsApp
For my conversations, there is no compromise. I use an end-to-end encrypted (E2EE) messaging app (WhatsApp). The reason is simple. It’s the only way to ensure my private chats remain private and accessible to me and the participant.
Since it’s the most popular communication app in my region, I use WhatsApp to stay in touch with friends, family, and clients. It also offers an option to activate Advanced Chat Privacy for specific conversations, where the app turns off media auto-download, chat export, and excludes messages for AI features.
4
Using open source apps
When it comes to installing apps on my Samsung phone, I have a strong preference for open source solutions. The core principle behind my choice is transparency. Unlike proprietary apps, open source apps have their source code publicly available.
This means that anyone, from security researchers to a global community of developers, can review the code for vulnerabilities, hidden data collection practices, and malicious backdoors.
Take my email client, for example. I use Thunderbird on my desktop and Android device. Similarly, Nextcloud is my go-to cloud storage solution for syncing essential data across devices. Another excellent example is Anytype, which I use for notes, tasks, and building a personal knowledge management system.
Beyond these examples, the open source community means faster bug fixes and security patches.
One of the effective ways I ensure my privacy on my Samsung phone is by managing what appears on my lock screen. I configured it so that notification content is hidden.
I go to Settings > Notifications > Lock screen notifications and tap the radio button next to Hide content. I can also turn off lock screen notifications for specific apps.
To view the full content, I unlock my phone using my fingerprint or PIN, which ensures only I can access that information.
2
Turning on auto blocker
This is another crucial security feature I activated on my Galaxy S23 Ultra. Auto blocker is more than a single setting. It’s a comprehensive suite of protective measures that acts as a vigilant guardian.
The main reason I turned on Auto blocker is to prevent the installation of malicious software. I’m careful about where I download my apps, but accidents happen. Auto blocker creates a strong perimeter and ensures that only apps from authorized sources, such as the Google Play Store or the Galaxy Store, can be installed.
It also offers crucial protection against threats via USB cables. This is something I often worry about, especially when I’m charging my phone at public charging stations.
Keep your phone safe by tweaking a few security settings
1
Enabling biometric protection for essential apps
I activated biometric protection for the most essential applications. While Secure Folder offers excellent isolation, having individual apps quickly secured by my fingerprint adds an immediate layer of defense to the apps I use frequently.
I set up biometric locks for critical apps, such as my stock market trading app, budgeting tool, and primary email client. It adds convenience and security to my important data.
My Samsung, my sanctuary
Securing your Samsung phone isn’t about implementing one trick. Instead, it’s about adopting a proper approach to digital privacy. You can carefully implement the suggestions above, change necessary apps in your workflow, and make other changes to build multiple layers of defense.
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