Attributing yesterday's widespread service outage to an unexpected overload of its infrastructure during a critical migration phase.

The incident lasted for several hours, primarily affecting [specific services or regions], resulting in intermittent access issues for many users.

The outage began around afternoon Zurich time, when a surge in global database connections overwhelmed the system.

Although services such as , , and others quickly resumed, faced prolonged issues due to its ongoing migration to a -based infrastructure.

The explanation stated that the outage was more severe due to the migration to new infrastructure.

This move aims to enhance scalability and resilience, but it temporarily requires running two parallel systems, which limits the ability to effectively redirect traffic.

Since it has not yet been fully migrated, it is particularly vulnerable to sudden surges in load.

Subsequent investigations revealed that software modifications might be the cause of the surge in load.

Although this change had been implemented previously without immediate issues, its impact unexpectedly manifested, leading to a surge in database connections.

After the rollback of changes, traffic returned to normal levels.

Acknowledge the challenges posed by the migration and emphasize the commitment to completing the process as soon as possible.

The company pointed out that a fully migrated infrastructure based on [unspecified technology] would provide greater redundancy and enable it to handle unexpected events with fewer interruptions.

In a statement, an apology was issued for the inconvenience caused by this outage, and users were assured that a post-incident analysis is underway to prevent similar issues from recurring.

This incident also highlights the complexity of infrastructure transformation and the trade-offs involved in ensuring long-term improvements.

和日历是该公司注重隐私的用户群的核心服务，这些用户群包括重视安全通信的专业人士、组织和个人。

This outage underscores the importance of reliability in critical services, especially for a platform that positions itself as a privacy-first alternative to mainstream providers.

Regarding the rumors circulating online yesterday about hackers conducting cyberattacks or sabotage on infrastructure, based on existing evidence and the latest developments from the company, these rumors are unfounded.