Copperhead Blog

Documenting our journey in mobile security, implementing the most secure phone, selling source-available software and generating revenue through ethical partnerships.

 
Unmanaged, privacy-first security policies now available
James Donaldson

Modify and lockdown any aspect of your CopperheadOS devices

 
Secure Android rebrands available
James Donaldson

Completely and securely rebrand your CopperheadOS device

 
CopperheadOS Android 13
James Donaldson

Android 13 comes with Pixel 7 and 6a support

 
The Android Boot Process
Team Copperhead

How does the Android Boot Process work?

 
Copperhead and Efani partner to enhance mobility security
James Donaldson

Device-to-SIM solutions for complete data protection

 
Copperhead Privacy-Enabled Licensing
Team Copperhead

Embracing sustainability and protecting privacy

 
Advantages Of Mobile Device Management
Team Copperhead

Mobile Device Management Best Practices

 
CopperheadOS Pixel 6, 5a, 5 and 4a 5G Available For Purchase
Team Copperhead

Copperhead adds 5 new devices with CopperheadOS support.

 
How is De-Googled Android possible?
Team Copperhead

GMS vs non-GMS Android

 
Zero Trust architecture
Team Copperhead

Zero Trust

 
Secure Phones
Team Copperhead

How do I secure my Android phone?

 
Nextcloud and CopperheadOS
Grant Drew

What is Nextcloud?

 
Tracking Mobile Devices
Team Copperhead

How do you know if someone is tracking your phone?

 
Data Privacy
Grant Drew

Protect yourself from data leaks

 
Pegasus: An advanced threat to private communications
James Donaldson

The latest chilling revelations and how to protect against them

 
Data hygiene for users
James Donaldson

Minimizing user data leaks and data spread across services

 
Managing CopperheadOS Deployments for Enterprise
James Donaldson

Copperhead fully supports Enterprise MDM/UEM solutions

 
The Linux Kernel and Android
James Donaldson

The importance of the Linux Kernel in Android security and development.

 
CopperheadOS Pixel 4 and 4a Available For Purchase
James Donaldson

Copperhead adds 3 new devices with CopperheadOS support.

 
CopperheadOS Release: Android 11
James Donaldson

CopperheadOS updates to Android 11, bringing new features and UX.

 
Secure Phone Series: Device Security
James Donaldson

The state of secure phones, secure Android and encrypted mobile communications.

 
Android Application Permissions Overview
James Donaldson

How Android applications permissions help secure Android

 
Promoting a Healthy and Secure Android Ecosystem.
James Donaldson

Working alongside Google’s SafetyNet in Android OS development.

 
Android Security is Accelerating
James Donaldson

Reviewing the economics of Android zero-day bounties against other platforms

 
Stalkerware: The Hidden Threat to Privacy
James Donaldson

Copperhead joins the Coalition Against Stalkerware in taking broad action to curtail a troublesome rise in partner surveillance

 
Contact tracing in modern times
James Donaldson

The balance between public safety and information systems needs to be approach cautiously

 
Copperhead: A New Direction
James Donaldson

Solidifying corporate profitability and product sustainability with a new direction, look and distribution method

 
Two factor authentication you can trust
James Donaldson

Device security is a key element in protecting your data and ensuring that you can trust your 2FA solution

 
CopperheadOS release: Android 10
James Donaldson

Android 10 brings new UX enhancements and features from previous CopperheadOS releases

 
Community Builder's Initiative
James Donaldson

Supporting our builders and promoting source availability

 
Misinformation is dangerous
James Donaldson

The latest WhatsApp exploit buzz demonstrates the danger of spreading false information

 
CopperheadOS Release: Android 9
James Donaldson

Taking advantage of Android 9's improvements while enhancing the CopperheadOS user experience

 
CopperheadOS Pixels Available
James Donaldson

Buy Secure Android Pixels with CopperheadOS from the online store

 
Memory disclosure mitigations in CopperheadOS
Team Copperhead

An overview of CopperheadOS security features relevant to squashing information leaks via various kinds of memory disclosure bugs.

 
CopperheadOS online store now available
James Donaldson

Pixel devices with CopperheadOS Beta can be purchased from Copperhead's online store

 
Announcing CopperheadOS Crowdfunding
James Donaldson

Copperhead Will Be Crowdfunding with Privacy Partners Guardian Project and F-Droid

 
CopperheadOS Beta
Team Copperhead

Beta is now available for the Nexus 5, Nexus 9 and Nexus 5X

 
CopperheadOS Alpha
Team Copperhead

Alpha is now available for the Nexus 5 and Samsung Galaxy S4

 
Hardening Android's Bionic libc
Team Copperhead

Extending the exploit mitigations in Android's standard C library implementation

 
Separating Android's passwords
Team Copperhead

Addressing a long-standing weakness in Android's encryption support

 
Integrating PaX into Android
Team Copperhead

Addressing the Android platform's peculiarities for proper PaX support.

 
The State of ASLR on Android Lollipop
Team Copperhead

Investigating the state of ASLR on Android, how Zygote breaks it, and how we fixed it in our ROM.

 
Copperhead OS: Secure Android ROM
Team Copperhead

A fork of Cyanogenmod with a hardened kernel, security patches, and open-source apps.

 
Introducing: Copperhead
Team Copperhead

A new information security firm based in Toronto, Canada.