Outlook.com suffers a series of outages today after being taken down several times yesterday by hacktivists known as Anonymous Sudan claiming to carry out DDoS attacks on the service.

This outage follows two major outages yesterday, creating widespread disruption for global Outlook users, preventing users around the world from reliably accessing or emailing and using the mobile app. Outlook.

Outlook users have taken to Twitter to complain about spotty courier service, indicating that it affects their productivity.

Microsoft says the outages are caused by a technical glitch, posting a series of updates on Twitter that alternate between saying they’ve mitigated the issues and saying the problem is happening again.

“We have identified that the impact has started again, and we are applying other mitigation measures,” tweeted Microsoft.

“Telemetry indicates reduced impact from previous iterations due to previously applied mitigations. Further details on workflows can be found in the admin center via MO572252.”

Group Claims to DDoS Microsoft Outlook

While Microsoft claims technical issues are to blame for the outages, a group known as Anonymous Sudan claims to be behind them, warning that they are carrying out DDoS attacks against Microsoft to protest US involvement in Sudanese internal affairs.

“We can target any American business we want. Americans, don’t blame us, blame your government for thinking of intervening in Sudanese internal affairs. We will continue to target American big business, government and infrastructure. “, said Anonymous Sudan on their Telegram channel. yesterday.

“We hope you enjoyed it, Microsoft”

Since then, the group has taunted Microsoft in statements about repeated DDoS attacks on Microsoft Outlook and Microsoft 365 services.

“Microsoft, today we played football with your services. Let’s play a fun game. The fate of your services, which are used by hundreds of millions of people every day, is under our control and our choice”, said Anonymous Sudan on their Telegram channel.

“You failed to fend off the attack which has been going on for hours, so how about you pay us $1,000,000 and we teach your cyber security experts how to fend off the attack and we stop the attack from our side ?”

From the check-host.net URLs shared by Anonymous Sudan, they say they target “https://outlook.live.com/mail/0/,” the main URL of the Outlook.com web service.

While these claims remain unverified, the service has been slow and plagued by a series of outages over the past 24 hours.

BleepingComputer contacted Microsoft about Anonymous Sudan’s claims, but no response was immediately available.