Salt Typhoon is one of the largest cyber breaches in U.S. history, infiltrating at least eight phone companies and affecting global communications. Hackers targeted high-ranking government officials, raising serious security concerns. In response, U.S. officials emphasize using encrypted messaging apps like Signal and WhatsApp to protect sensitive conversations. Encryption ensures only intended recipients can access messages, reducing risks from cyberespionage. With evolving cyber threats, experts also recommend enabling automatic updates and multi-factor authentication to strengthen digital security.