Microsoft warns of mass phishing targeting thirty-five thousand users

Published on May 05, 2026 | Translated from Spanish

Microsoft has revealed a phishing campaign that affected approximately 35,000 users across 26 countries. The attackers used emails mimicking legitimate services to steal credentials. The operation, orchestrated by threat actors, demonstrates the persistence of these impersonation techniques in today's digital landscape.

A digital map shows a massive cyberattack: fake emails with Microsoft logos flow toward 35,000 users in 26 countries, alerting about credential theft.

Impersonation techniques and attack vectors 🛡️

The fraudulent emails used social engineering to deceive victims, redirecting them to fake login pages. Threat actors used domains similar to known services and SSL certificates to appear legitimate. Microsoft detected the campaign through its traffic analysis and blocked the malicious links, although credential damage had already occurred in several cases.

Phishing: the classic that never fails 😅

It seems phishing remains the favorite method of cybercriminals, like that relative who always tells the same joke at dinners. 35,000 users fell for an email that promised to be trustworthy. At least the attackers were original: they used 26 countries to vary the geography of the deception. Next time, maybe they'll use memes.