Outage in 4Schools

DDoS Attack Against Mass Notification Service Provider

Major
January 09, 2026 - Started 3 days ago
Official incident page

Incident Report

Our underlying provider for mass notifications (email, text, phone, and chat) is currently experiencing a Distributed Denial of Service (DDoS) attack. This attack is leveraging a high volume of rotating IP addresses to generate excessive traffic against publicly accessible resources. We're in active communication with them as their engineering and security teams work to mitigate the impact.

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Latest Updates ( sorted recent to last )
MONITORING 1 day ago - at 01/10/2026 05:57PM

A fix has been implemented and are monitoring carefully.

IDENTIFIED 3 days ago - at 01/09/2026 05:16PM

Messages containing URL links, images, or attachments (including newsletters and report emails) may not send successfully or may not be viewable by recipients. Chats may take longer than normal or fail to send. Core messaging remains operational, but these may be intermittently impacted while mitigation is in progress for DDoS attacks.

IDENTIFIED 3 days ago - at 01/09/2026 03:51PM

Our underlying provider for mass notifications (email, text, phone, and chat) is currently experiencing a Distributed Denial of Service (DDoS) attack. This attack is leveraging a high volume of rotating IP addresses to generate excessive traffic against publicly accessible resources.

We're in active communication with them as their engineering and security teams work to mitigate the impact.

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