In an internal memo shared this week, CFO Hugh Johnston says most Disney teams will move away from Slack by the end of this year.

Disney said it was investigating an unauthorized release of over a terabyte of data from one of its communication systems.

Many teams at Disney—which employs about 220,000 people—have already started transitioning to other collaboration tools, according to the memo. By the end of Q1 2025, Disney will have transitioned off Slack, but some “more complex use cases” may not be completed until the end of the subsequent quarter, the memo said.

Disney told employees on Thursday that it will no longer use Slack for internal communication after a hack earlier this year allowed cybercriminals to expose financial materials, computer codes, and o

Learn more about why Disney has decided to ditch Slack, with plans to transition away from the team communication platform by the start of 2025.

Walt Disney plans to transition away from its use of Slack as a companywide workplace collaboration system, after a hacking entity leaked online more than a terabyte of company data, according to a report in the Status media newsletter.

Disney's CFO Hugh Johnston said most of the media and entertainment company's businesses would stop using the service later this year, the report said. Many teams have already started tranisitioning to streamlined enterprise-wide collaboration tools,

The entertainment company reportedly issued a memo to staff that a migration away from Slack’s collaboration application will conclude next year. The move follows a high-profile data breach that led to the publication of 44 million Slack messages and tens of thousands of documents by a hacking group.

After a massive leak of financial and strategy data this summer through Slack, Disney has decided it's more of a Microsoft Teams player. An internal memo obtained by Business Insider on Thursday confirms that Disney is moving away from Slack on a company-wide level.