Outlook crashed due to DDoS attack, Microsoft confirms

Microsoft has officially confirmed that problems with the operation of the Outlook email service, recorded in early June 2023, are the result of an attack on the company’s servers. The community was already skeptical of this, but the company has only now commented on the matter.

According to Microsoft, This was due to a denial of service attack, better known as: DDoS. Multiple synthetic accesses have been registered to a particular network layer that connects servers to their respective web services.

In his post on the company’s blog, he claims that he has already hardened systems against similar actions so that such an attack does not happen again. Also, no evidence was found about him. data access, theft or leak corporate or customers.

remember the attack

Platform performance errors have occurred Between 5-6 June 2023, by constantly creating error screens and preventing multiple users from accessing their inbox. Everything returned to normal only after the company identified the problem and implemented a series of security measures, including strengthening a firewall that specifically targeted the Azure Web layer that was the target of the attack.

cyber activist group Anonymous Sudan claimed responsibility for the attack in a statement on Telegram.He claimed that he was trying to get other services from the same company.

Microsoft is already calling those responsible for the codename storm-1359He noted that botnets and multiple access tools via cloud computing were used for the attack, as well as proxies to create instability without leaving a trace.