Based on the search results, there have been several outages with DBS Banks digital services. The most recent outage was reported on October 13, 2023. However, the most significant outage occurred on March 29, 2023, which lasted for most of the day and affected DBS digital banking services, including PayLah! and DBS digibank online and mobile services. This was the second outage in 16 months, and the Monetary Authority of Singapore (MAS) deemed it "unacceptable" and instructed DBS to conduct a thorough investigation. DBS CEO, Piyush Gupta, stated that it is the banks "utmost priority" to review the incident and deeply regrets the inconvenience caused.