From PC World: Chatting on Kakao Talk will become more secure with a new hidden chat feature that has end-to-end encryption for all messages.
Secret Chat is a chat room that requires messages to be read with a decryption key stored in a user’s mobile device, Daum Kakao, the South Korea-based operator of the service, said in a release.
That means the messages cannot be intercepted by outsiders, even if they’re going through servers, it said.
Users can initiate Secret Chat with others and keep them open even when the app itself is closed. One to one chats are supported in the secret mode, with secret group chats to follow in the first quarter of 2015.
The move comes after media reports in October saying that users were abandoning the app after South Korean President Park Geun-hye vowed to prosecute people spreading rumors about her on Kakao Talk.
In an apparent move to allay fears, the company reduced the amount of time chat histories are stored on its servers to two or three days from three to seven days.
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