Over the past two years, online extortion has grown dramatically in the United States. Often, attackers demand cryptocurrency from their victims that cannot be traced.
U.S. law enforcement agencies have begun looking for criminals involved in online extortion. Particular attention is paid to finding hackers who demand bitcoins or other virtual coins.
The Federal Bureau of Investigation, the Cyber Security Agency and the Interstate Data Exchange Center decided to join forces to protect citizens. The agencies issued a collective letter urging Americans to provide them with information about cybercriminal activity.