Slacks Slack bot is a way of marinating authenticity and integrity of the developer and their code/script/program when other Slack users (dev-peers/team) use their code through a process of tokenization. Developers often ignore that they are exposing sensitive data when they publish code containing their Slack access tokens on GitHub. Slack’s commitment to take security seriously had reassured its users that every person and team using our service expects their data to be secure and confidential”]
Source: https://securityaffairs.co/wordpress/46819/security/slack-token-on-github.html