Guerrilla texting: encrypted text messages in case of an internet outage.

"The probability of Internet shutdown in Russia is high, but we can say with a high degree of probability that mobile communications will remain in place if the Internet is shut down. Thus, SMS can become the main means of communication, at least for the time being.

At the same time, when exchanging SMS messages, you are completely defenseless against telecom operators, and therefore the structures that control them. For this case, Cyberpartisans have developed an application for Android that encrypts selective SMS messages, significantly reducing the risks."