The first time I used slack I was astonished by the number of features the app had. My boss at the time asked me to download it and I asked “what’s that?” Slack is like a chatroom for your whole team. It is a computer application that was created as a way for organizations to communicate both as a group and in personal one-on-one discussions. You can communicate as a group through channels or privately via “direct messaging. However currently there’s a slack has been exposed to security vulnerability. The Slack security team is advising their users to change their passwords immediately to avoid the incident that occurred on December 21, 2020. An update released on December 21 revealed users with a flaw in this version, the user’s password is clearly recorded in the application logs. Therefore, any other application can read obtain this data. 1 month later the error was corrected. Change the password for these tools and services. To help users, Slack sends messages to those who may be at risk. It is recommended to change the password immediately so that if it is obtained, the user will be protected. In any case, there is no evidence that these accounts are being exploited. In addition to this recommendation, there is also a request to delete the application data, thus deleting the records. This is another drawback of the Android universe, caused by the use of this method. Slack’s track record showed no problems, which is an almost isolated case.