Security News
The German national cybersecurity authority warned on Tuesday that it found at least 17,000 Microsoft Exchange servers in Germany exposed online and vulnerable to one or more critical security vulnerabilities. According to the German Federal Office for Information Security, around 45,000 Microsoft Exchange servers in Germany have Outlook Web Access enabled and are accessible from the Internet.
According to the report, titled Mission Critical: Unlocking the UK AI Opportunity Through Cybersecurity, cyberattacks currently cost the U.K. an estimated £87 billion each year. In a foreword to this new report, Microsoft UK CEO Claire Barclay said the U.K. could only meet its AI aspirations if businesses invested in cybersecurity processes and upgraded their security toolkits to match those of bad actors.
Around 12% of the 45,000 or so Microsoft Exchange servers in Germany that can be accessed from the Internet without restrictions "Are so outdated that security updates are no longer offered for them," the German Federal Office for Information Security has warned today. The BSI worries about attackers breaching those servers by exploiting CVE-2024-21410, a critical elevation of privilege bug that allows attackers to learn a targeted user's NTLM credentials and "Relay" them to authenticate themselves to a vulnerable Exchange Server as the user.
Cybercriminals have been increasingly using a new phishing-as-a-service platform named 'Tycoon 2FA' to target Microsoft 365 and Gmail accounts and bypass two-factor authentication protection. Tycoon 2FA attacks involve a multi-step process where the threat actor steals session cookies by using a reverse proxy server hosting the phishing web page, which intercepts the victim's input and relays them to the legitimate service.
In January 2024, Microsoft discovered they’d been the victim of a hack orchestrated by Russian-state hackers Midnight Blizzard (sometimes known as Nobelium). The concerning detail about this case...
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Microsoft plans to limit access to over fifty cloud products for Russian organizations by the end of March as part of the sanctions requirements against the country issued by EU regulators last December. "After March 20, 2024, you will not be able to access those Microsoft products or services, or any data stored in them." - Microsoft.
Microsoft has released emergency out-of-band updates to fix a known issue causing Windows domain controllers to crash after installing the March 2024 Windows Server security updates. If you installed previous Windows Server updates, only the new updates in these packages will be downloaded and installed.
Microsoft is the subject of growing criticism in the US over allegations that its Bing search engine censors results for users in China that relate to sensitive subjects the state wants blocked. Republican Senator Marco Rubio has added his voice to criticism of the Redmond software giant for reportedly removing search results from Bing on human rights, democracy, climate change, and other sticky issues within China.
Microsoft confirmed that a memory leak introduced with the March 2024 Windows Server security updates is behind a widespread issue causing Windows domain controllers to crash. The known issue impacts all domain controller servers with the latest Windows Server 2012 R2, 2016, 2019, and 2022 updates.