Urgent Call for Security Reforms at Microsoft

Luisa Ramos
1 min read

Microsoft Urged to Implement Security Reforms Following Email Hack

Following a China-backed hack of Microsoft Exchange Online's systems, US security officials are calling for "fundamental" security reforms at Microsoft. The Cybersecurity and Infrastructure Security Agency's Cyber Safety Review Board (CSRB) found that the 2023 Exchange hack, which led to unauthorized access to US government email accounts, was entirely preventable. The board attributes the breach to Microsoft's operational decisions and corporate culture that deprioritized security.

Key Takeaways:

  • The Cyber Safety Review Board has concluded that Microsoft's security measures were "at odds" with customer expectations, and recommends fundamental security-focused reforms.
  • The board also recommends that all cloud service providers adopt audit logging standards, disclose incidents, and establish minimum best practices for cybersecurity.
  • Microsoft acknowledges the need to adopt a new culture of engineering security and plans to use an AI-based cyber shield for protection against future attacks.


The findings emphasize the urgent need for cloud service providers to implement strong security measures to protect against persistent and pernicious threats from nation-state actors.

Do You Know?:

  • The threat actor responsible for the intrusion has been linked to past compromises such as the 2009 Operation Aurora and 2011 RSA SecureID breaches.
  • Microsoft's Exchange services have been targeted by multiple hacking groups since at least 2021, indicating ongoing security challenges.

This is a brief summary of the significant findings and recommendations stemming from the review of the China-backed hack of Microsoft Exchange Online's systems.

This article is submitted by our user under the News Submission Rules and Guidelines.The cover photo is computer generated art for illustrative purposes only; not indicative of factual content.

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