Microsoft 365 outage affects over 70 countries, including Portugal

A global outage of Microsoft 365 services has impacted users in over 70 countries, including Portugal.

What happened

The global outage of Microsoft 365 services began on the evening of November 12, 2026. It affected key services such as Outlook, Teams, SharePoint, Copilot, and Defender. According to Executive Digest, the outage left users in more than 70 countries, including Portugal, without access.

Details and quotes

The Centro Nacional de Cibersegurança (CNCS) is monitoring the situation and advises caution against scams exploiting the incident. The CNCS stated, "The infrastructure and products of Microsoft are part of the backbone of the global internet, so a chain effect is inevitable." They emphasize the importance of vigilance against phishing attempts that may arise from this incident.

Leonid Bezvershenko, a senior security researcher at Kaspersky, highlighted the increased risk of scams during such outages. He noted that when regular communication channels are disrupted, people are more likely to trust messages offering updates or quick fixes, which scammers exploit.

Sources

• executivedigest.sapo.pt: Centro Nacional de Cibersegurança está a acompanhar a falha global no Microsoft 365
• hrportugal.sapo.pt: Falha do Microsoft 365: pediram-lhe para “voltar a autenticar-se”? Atenção, pode ser burla

Prepared with AI from the sources below and our own data, reviewed by the editors before publishing.