Slack experienced significant service disruptions affecting core functionalities including messaging, workflows, and API features on February 26, 2025. Users encountered difficulties with message sending, thread loading, and login attempts across multiple service endpoints. The incident lasted several hours with Slack's team actively working on restoration.
A 59-minute Cloudflare R2 storage outage occurred on February 6, 2025, causing widespread service disruptions across multiple Cloudflare products due to human error during phishing site remediation. The incident resulted in 100% failure rates for R2 operations and affected dependent services like Stream, Images, and Cache Reserve, though no data was lost or corrupted. Cloudflare has implemented immediate safeguards and is developing additional system-wide controls to prevent similar incidents.