Keeping your phone calls private is insanely difficult as Fast Company‘s DJ Pangburn finds out from Curtis Wallen:
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…Amid pervasive sensors, drones, and data collection, making a private phone call can be a Herculean task.
Nevertheless, Wallen thinks it can be done—in short, by using a prepaid “burner” phone, posting its phone number publicly on Twitter as an encrypted message, and waiting for your partner to decrypt the message and call you at a later time.
His step-by-step instructions for making a clandestine phone call are as follows:
- Analyze your daily movements, paying special attention to anchor points (basis of operation like home or work) and dormant periods in schedules (8-12 p.m. or when cell phones aren’t changing locations);
- Leave your daily cell phone behind during dormant periods and purchase a prepaid no-contract cell phone (“burner phone”);
- After storing burner phone in a Faraday bag, activate it using a clean computer connected to a public Wi-Fi network;
- Encrypt the cell phone number using a onetime pad (OTP) system and rename an image file with the encrypted code.