Security News
Microsoft is investigating an ongoing incident impacting administrators in North America who report seeing blank pages and 404 errors when trying to access the Microsoft 365 admin center.This outage could affect any admin in North America, as the company revealed on the Microsoft 365 Service health status page.
In a preliminary post-incident report, Microsoft has revealed that this week's 5-hour-long Microsoft 365 worldwide outage was triggered by a faulty Enterprise Configuration Service deployment that led to cascading failures and availability impact across multiple regions. ECS is an internal central configuration repository designed to enable Microsoft services to make wide-scope dynamic changes across multiple services and features, as well as targeted ones such as specific configurations per tenant or user.
What initially started like a minor Microsoft Teams outage has also taken down multiple Microsoft 365 services with Teams integration, including Exchange Online, Windows 365, and Office Online."We've received reports of users being unable to access Microsoft Teams or leverage any features," the company revealed on its official Microsoft 365 Status Twitter account more than 8 hours ago.
An ongoing heatwave in the United Kingdom has led to Google Cloud and Oracle Cloud outages after cooling systems failed at the companies' data centers. Today, with temperatures reaching a record-breaking 40.2 degrees Celsius, cooling systems at data centers used by Google and Oracle to host their cloud infrastructure have begun to fail.
Admins were also told that they could find more information regarding these ongoing problems in the admin center under EX401976 and OL401977. While Redmond did not reveal the scale of the issue, thousands of reports have been submitted in the past 24 hours on DownDetector by Outlook and Exchange Online users who have either been unable or experienced difficulties when trying to log in or email.
While the Twitter API status page shows no issues for today, almost 55,000 users have reported over the past 30 minutes that that the service is not working. At the time of writing, the browser version of the Twitter app is showing the typical "Something went wrong, but don't fret - it's not your fault" errors.
Over the weekend, Rogers Communications CEO Tony Staffieri revealed the telecom company believes a maintenance update was what caused last week's massive outage. "We now believe we've narrowed the cause to a network system failure following a maintenance update in our core network, which caused some of our routers to malfunction early Friday morning," Staffieri said in a statement published Saturday.
A massive Rogers outage is causing widespread disruption in Canada due to lack of mobile service, inability to process payment card transactions, and impacting 911 emergency services. According to DownDetector, the outage started at around 5 AM EST, with customers suddenly unable to make phone calls or connect to the Internet.
Microsoft has revealed that this week's Microsoft 365 worldwide outage was caused by an infrastructure power outage that led to traffic management servicing failovers in multiple regions. Starting on Monday, June 20, at 11:00 PM UTC, customers began experiencing and reporting several issues while trying to access and use Microsoft 365 services.
Cloudflare says a massive outage that affected more than a dozen of its data centers and hundreds of major online platforms and services today was caused by a change that should have increased network resilience."Today, June 21, 2022, Cloudflare suffered an outage that affected traffic in 19 of our data centers," Cloudflare said after investigating the incident.