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Microsoft Security Intelligence Report Volume 22 is now available

By Microsoft Secure Blog Staff

August 24, 2017

Here are 3 key findings from the report:

As organizations migrate more and more to the cloud, the frequency and sophistication of attacks on consumer and enterprise accounts in the cloud is growing.

  • There was a 300 percent increase in Microsoft cloud-based user accounts attacked year-over-year (Q1-2016 to Q1-2017).
  • The number of account sign-ins attempted from malicious IP addresses has increased by 44 percent year over year in Q1-2017.

Cloud services such as Microsoft Azure are perennial targets for attackers seeking to compromise and weaponize virtual machines and other services, and these attacks are taking place across the globe.

  • Over two-thirds of incoming attacks on Azure services in Q1-2017 came from IP addresses in China and the United States, at 35.1 percent and 32.5 percent, respectively. Korea was third at 3.1 percent, followed by 116 other countries and regions.

Ransomware is affecting different parts of the world to varying degrees.

  • Ransomware encounter rates are the lowest in Japan (0.012 percent in March 2017), China (0.014 percent), and the United States (0.02 percent).
  • Ransomware encounter rates are the highest in Europe vs. the rest of the world in Q1-2017.
    • Multiple European countries, including the Czech Republic (0.17 percent), Italy (0.14 percent), Hungary (0.14 percent), Spain (0.14 percent), Romania (0.13 percent), Croatia (0.13 percent), and Greece (0.12 percent) had much higher ransomware encounter rates than the worldwide average in March 2017.

Download Volume 22 of the Microsoft Security Intelligence Report today to access additional insights: www.microsoft.com/sir.

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