A number of software developed and distributed by Kakao, including brbr summary brbr Kakao Talk, has been revealed by users using packet surveillance programs to inspect and collect personal information. According to a future update by users who revealed it in June 2021, KakaoTalk has access to Kaspersky or Windows Defender! Unauthorized! Therefore, it was further revealed that ordering themselves to be designated as an exception to the inspection. Brbr. When they joined Kakao, they agreed that cookies could be collected while using the service.