By default, Slack encrypts data at rest and data in transit for all of our customers.
We further protect your data with tools like Slack Enterprise Key Management (Slack EKM), audit logs, and integrations with top data loss prevention (DLP) providers.
More information can be found here.
Slack's meteoric rise in popularity can be attributed to two major factors: It does it's job exceptionally well, and people enjoy using the app itself. From a functionality standpoint, Slack's strengths are that it:
From a design standpoint, Slack is popular because it appeals to all demographics with its visually appealing design, smooth API's and workflows, and it's contemporary and tech-friendly.
Slack is a messaging app for business.
Used by 10 million daily active users from more than 600,000 organizations, located in more than 150 countries, Slack (or “Searchable Log of All Conversation and Knowledge“) offers multiple instant messaging options to keep teams in communication.