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Cybersecurity

Explore Microsoft's approach to protecting people, defending global institutions, and advancing digital trust.

Discover the scale of cyber threats and the strategies to defend against them.

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Latest news

Helping the law move at the speed of cybercrime

Nation-state actors are much more sophisticated and difficult to identify. They want to blend into traffic, and there are very few victims. We had to devise new investigative techniques, as well as adapt our legal techniques.

Richard Boscovich Assistant General Counsel, Microsoft Digital Crimes Unit,
on the DCU’s unique approach to disrupting malware threats

The institute helping NGOs defend themselves

300,000 computers

In May 2017, a ransomware attack hit 300,000 computers in 150 countries in six hours

155,993 cyberattacks

The CyberPeace Institute identified 155,993 cyberattacks against nonprofits

Protecting democratic institutions from cyber threats

Star Blizzard’s activities underscore the importance of upholding international norms to govern responsible state behavior online. Today’s action is an example of the impact we can have against cybercrime when we work together.

Steven Masada Assistant General Counsel, Microsoft Digital Crimes Unit,
on disrupting Russian nation-state actor Star Blizzard

Inside the high-security facility tackling digital threats

Microsoft Digital Defense Report 2025

100 trillion security signals

Microsoft processes 100 trillion security signals daily, providing unparalleled insight into global cyber threats and helping organizations defend against increasingly sophisticated attacks

5 billion emails

5 billion emails screened daily on average to protect users from malware and phishing

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