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US Cyber Safety Review Board on the 2023 Microsoft Exchange Hack

Schneier on Security

US Cyber Safety Review Board released a report on the summer 2023 hack of Microsoft Exchange by China. It was a serious attack by the Chinese government that accessed the emails of senior U.S. government officials. From the executive summary: The Board finds that this intrusion was preventable and should never have occurred.

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100,000 hacked ChatGPT accounts up for sale on the dark web

Graham Cluley

In the 12 months running up to May 2023, the login credentials of over 100,000 hacked ChatGPT accounts found their way onto dark web marketplaces. Read more in my article on the Hot for Security blog.

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VMware addressed two zero-day flaws demonstrated at Pwn2Own Vancouver 2023

Security Affairs

VMware released security updates to address two zero-day vulnerabilities ( CVE-2023-20869, CVE-2023-20870 ) that were chained by the STAR Labs team during the Pwn2Own Vancouver 2023 hacking contest against Workstation and Fusion software hypervisors. They earned $80,000 and 8 Master of Pwn points.

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SAP April 2023 security updates fix critical vulnerabilities

Security Affairs

SAP April 2023 security updates include a total of 24 notes, 19 of which are new vulnerabilities. CVE-2023-28765 : An attacker with basic privileges in SAP BusinessObjects Business Intelligence Platform (Promotion Management) – versions 420, 430, can exploit the issue to access to lcmbiar file and further decrypt the file.

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Google fixed the second actively exploited Chrome zero-day of 2023

Security Affairs

Google rolled out emergency fixes to address another actively exploited high-severity zero-day flaw, tracked as CVE-2023-2136 , in its Chrome web browser. The vulnerability is an Integer overflow in the Skia graphics library, the issue was reported by Clément Lecigne of Google’s Threat Analysis Group on April 12, 2023.

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T-Mobile suffered the second data breach in 2023

Security Affairs

T-Mobile disclosed the second data breach of 2023, threat actors had access to the personal information of hundreds of customers since February. T-Mobile suffered the second data breach of 2023, threat actors had access to the personal information of hundreds of customers starting in late February 2023.

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Google banned 173k developer accounts in 2022

Security Affairs

The IT giant also announced it has banned 173k developer accounts and prevented over $2 billion in fraudulent and abusive transactions. “We remain committed to keeping Google Play and our ecosystem of users and developers safe, and we look forward to many exciting security and safety announcements in 2023.”