| Layer | Challenge | best available option |
|---|---|---|
| Google metadata server | Notification pattern (metadata) to kill people Spying through phone audio is happening all the time. |
build your own notification server PHP CVE tells to to code coverage - gcov. researchers |
| Social media apps | X, facebook are spyware |
GNU social, Mastodon FSF |
| Google Playstore |
by 2027 Google is Locking out free developers terms, fee - $25, etc. |
F-Droid will install with more difficulty Watch out for - resistance |
| Android AOSP |
CVE list grows.
manufacturers don't give updates after 3 years. Build process uses closed-source programs |
|
| Linux Kernel |
- Common Vulnerability and Exposure(CVE) list - bug fixes |
- company gives updates for 3 years maximum. - one update per year. |
| Phone hardware | spy - Camera Microphone Baseband Processor - Fimware Update Over-The-Air (FOTA) |
Crypto + Privacy phone (with baseband firewall)
- GSMK cryptophone Hardware Kill switch phones - - Pine64 - Purism Privacy phones - (No baseband attack safety - FOTA etc.) - GrapheneOS only Google Pixel phones, gives regular updates. - Brax3 - murena - Volla - Shift - Bittium - iode - Freedom - Hiroh - UP - FSF LibrePhone Baseband Processor datasheets not available. reverse engineering as only option. Switch your phone to privacy - Lineage Android distro supports many phones. (भारत में उपलब्ध Xiaomi phones). Silent about baseband processor. |
| Telecom and Govt Regulator 2G 4G 5G |
- 2G को स्मार्ट मीटर के कारण छोड़ दिया गया है। इसकी गुणवत्ता को जानबूझ कर गिरा रहे हैं। 3G हटाया जा चुका है। - 4G, 5G non-free phones are being made mandatory - अब हर रिचार्ज में डाटा पैक जबरदस्ती डाला जा रहा है। नेटवर्क मैप |
| OpenBSD | GNU Linux | |
|---|---|---|
| Purpose | security - communication | general purpose |
| CPU benchmark (sysbench on same machine) | - | 2310 |
| CVE list | OpenCVE database | List of CVEs copy-fail |
| videos | Kamp,
|
- |
| Best practices(share and grow) | Security review, Books | GPL code with binary |
| Hardware - CPU backdoor, embedded controller, hard disk. Details. |