What is Mimecast United States B Grid current status?

Mimecast United States B Grid is currently operational. You can check Mimecast United States B Grid status and current incidents and outages on the top of the page. The status is updated in almost real-time, and you can see the issues affecting customers.

How to monitor or check Mimecast United States B Grid status?

You can use IsDown service or go to Mimecast official status page. Some accounts also use Twitter to communicate the status.

How can I be notified when Mimecast United States B Grid is having issues or undergoing maintenance?

You can create an account in IsDown and monitor multiple services or subscribe for updates on the official status page. IsDown will send you a notification in real-time when Mimecast United States B Grid has issues. Mimecast official status page might also offer notification options such as email, SMS, or Slack.

Is Mimecast United States B Grid down? Check Mimecast United States B Grid status, outages and user reports

Q: Is Mimecast United States B Grid down today?

Mimecast United States B Grid was not down today according to the official status page. In the last 24 hours, there were 0 outages reported. IsDown continuously monitors the Mimecast status page, looking for the latest outages and issues affecting customers. Check all recent outages in the section 'Latest Mimecast United States B Grid outages, issues and problems' at the top of the page.

Pricing Log In

Start Free Trial

Mimecast United States B Grid service health. Issues reported in the last 24 hours

Working Normally

Possible Incident

Confirmed Outage

This chart displays the number of user-reported issues over the past 24 hours, grouped into 20-minute intervals. It's normal to see occasional reports, which may be due to individual user issues rather than a broader problem. We only consider an issue widespread if there are multiple reports within a short timeframe. Sign up for free to see more Mimecast status data.

View Mimecast Outage Reports Map

Recent Mimecast United States B Grid Outages and Downtime History

IsDown has tracked 34 incidents for Mimecast United States B Grid since started monitoring Mimecast status in March 2022. We collect data from 4484+ services, and normalize the data to give you a clear picture of the impact of the outage.

Date	Status	Incident	Duration
Sep 20, 2025 01:32 PM EDT	Minor	Mimecast Security Agent Disruption	about 3 hours
Aug 19, 2025 10:00 AM EDT	Minor	Administration Console Inaccessible	36 minutes
Jun 04, 2025 10:34 AM EDT	Minor	Degraded MS Teams Service	about 6 hours
May 27, 2025 10:28 AM EDT	Minor	Mimecast My Applications Page Inaccessible	about 2 hours
May 14, 2025 07:43 AM EDT	Minor	Degraded service on USB Grid - Human Risk Dashboard	about 2 hours
Apr 02, 2025 10:07 AM EDT	Minor	Awareness Training Login-Free Disrupted	about 24 hours
Mar 14, 2025 04:34 PM EDT	Minor	Erroneous Alerting for Continuity Monitor Service	about 2 hours
Mar 14, 2025 08:58 AM EDT	Minor	Intermittent Availability of the CyberGraph and Analysis & Response Dashboards	24 minutes
Mar 11, 2025 08:28 AM EDT	Minor	Decryption Portal issue	about 6 hours
Oct 25, 2024 12:44 PM EDT	Minor	Degraded Case Review Availability	about 1 hour

The Status Page Aggregator with Early Outage Detection

One place to monitor all your cloud vendors. Get instant alerts when an outage is detected.

Start Monitoring Your Vendors 14-day free trial · No credit card required

Mimecast United States B Grid problems reported by users

No comments yet

IsDown.app - Chrome Extension

Quickly access the status of Mimecast and 4484+ services

Install Extension

It's Free

United States B Grid is a component of Mimecast that provides secure and resilient email management and security services specifically for customers in the United States.

Monitoring Mimecast since March 2022

United States B Grid is part of Mimecast. Check the Mimecast's status.

9 incidents in 2025

Mimecast United States B Grid outages in the last 28 days

September 2025

Sun

Mon

Tue

Wed

Thu

Fri

Sat

Number of Incidents

1 issues

Last incident

14 days ago

Be the first to know when Mimecast goes down

Monitor All your Vendors in One Place

4484+ third-party services available to monitor

Know Before They Know

Alerts 30+ minutes before official updates

Stop the Ticket Flood

Cut "is it down?" tickets by 80%

Start Free 14-Day Trial

14-day free trial • No credit card required

IsDown aggregates various status pages from services into a very clear dashboard. Worth every penny.

Mike S., Head of Security

Frequently Asked Questions

Is Mimecast United States B Grid down today?

Mimecast United States B Grid isn't down. You can check Mimecast United States B Grid status and incident details on the top of the page. IsDown continuously monitors Mimecast United States B Grid official status page every few minutes. In the last 24 hours, there were 0 outages reported.

What is the current Mimecast United States B Grid status?

Mimecast United States B Grid is currently operational. You can check Mimecast United States B Grid status and incident details on the top of the page. The status is updated in almost real-time, and you can see the latest outages and issues affecting customers.

Is there a Mimecast United States B Grid outage now?

No, there is no ongoing official outage. Check on the top of the page if there are any reported problems by other users.

Is Mimecast United States B Grid down today or just slow?

Currently there's no report of Mimecast United States B Grid being slow. Check on the top of the page if there are any reported problems by other users.

How are Mimecast United States B Grid outages detected?

IsDown monitors the Mimecast United States B Grid official status page every few minutes. We also get reports from users like you. If there are enough reports about an outage, we'll show it on the top of the page.

Is Mimecast United States B Grid having an outage right now?

Mimecast United States B Grid last outage was on September 20, 2025 with the title "Mimecast Security Agent Disruption"

Mimecast down for everyone or just me?

Check on the top of the page if there are any reported problems by other users.
Reach out to their Twitter account.
Find their support at their official website.
Find their support contact at their official status page.

How IsDown compares to DownDetector when monitoring Mimecast?

IsDown and DownDetector help users determine if Mimecast is having problems. The big difference is that IsDown is a status page aggregator. IsDown monitors a service's official status page to give our customers a more reliable source of information instead of just relying on reports from users. The integration allows us to provide more details about Mimecast's Outages, like incident title, description, updates, and the parts of the affected service. Additionally, users can create internal status pages and set up notifications for all their third-party services.

Want to be informed about Mimecast status changes?

IsDown offers an easy way to monitor Mimecast with maximum flexibility

Major Outages Notifications

IsDown monitors United States B Grid for major outages. A major outage is when United States B Grid experiences a critical issue that severely affects one or more services/regions. When Mimecast marks an incident as a major outage, IsDown updates its internal status, the customer status page and dashboard. Depending on the customer settings, IsDown will also send notifications.

Minor Outages Notifications

IsDown monitors Mimecast status page for minor outages. A minor outage is when United States B Grid experiences a small issue affecting a small percentage of its customer's applications. An example is the performance degradation of an application. When a minor outage occurs, IsDown updates its internal status and shares that information on the customer status page. Depending on the customer settings, IsDown will also send notifications.

Outage Details

IsDown collects all information from the outages published in Mimecast status page to provide the most accurate information. If available, we gather the title, description, time of the outage, status, and outage updates. Another important piece of information is the affected services/regions which we use to filter the notifications that impact your business.

Component Filtering

IsDown monitors Mimecast and all their 9 components that can be affected by an outage. IsDown allows you to filter the notifications and status page alerts based on the components you care about. For example, you can choose which components or regions affect your business and filter out all other outages. This way you avoid alert fatigue in your team.

Early Outage Detection

Mimecast and other vendors don't always report outages on time. Our crowdsourced status platform helps you stay ahead of outages. Users report issues and outages, sharing details on what problems they are facing. We use that info to provide early signs of outages. This way, even without an official update, you can stay ahead of possible problems.

Mimecast United States B Grid Status. Is United States B Grid Down?

Is Mimecast United States B Grid down right now? What's the current status?

Need to monitor Mimecast outages?

Having problems with Mimecast United States B Grid?