Mattermost is a more secure alternative to Slack, so it can be appropriate for a workplace setting. It contains most of the same features as Slack, like multiple chat rooms and the ability to send GIFs and emojis, but it also contains multiple layers of security with its high-trust SaaS approach and lack of third-party […]

SMS texts (e.g., the green messages on iPhones, and most messages sent from the stock Chat app on Android devices) are not encrypted, which sets them apart from most internet-based messaging services like iMessage or WhatsApp. Accordingly, it’s best not to include sensitive data like a bank account number within them.

Apps like Slack and HipChat are enormously popular in today’s workplaces. However, they log your conversations and may allow supervisors to view information without your knowledge. Use discretion or resort to other communications channels for private matters.