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Microsoft, Adobe fix zero-days exploited by attackers (CVE-2023-26369, CVE-2023-36761, CVE-2023-36802)

September 12, 2023

September 2023 Patch Tuesday is here, with fixes for actively exploited vulnerabilities in Adobe Acrobat and Reader (CVE-2023-26369), Microsoft Word (CVE-2023-36761), and …

August 2023 Patch Tuesday: Microsoft fixes critical bugs in Teams, MSMQ

August 8, 2023

August 2023 Patch Tuesday is here; among the 76 CVE-numbered issues fixed by Microsoft this time around is a DoS vulnerability in .NET and Visual Studio (CVE-2023-38180) for …

Product showcase: Stellar Toolkit for Exchange – Restore Exchange Database

July 26, 2023

Time is of the essence when it comes to recovery after Exchange Server failure or database corruption, as organizations depend on emails for their day-to-day business …

June 2023 Patch Tuesday: Critical patches for Microsoft Windows, SharePoint, Exchange

June 13, 2023

For June 2023 Patch Tuesday, Microsoft has delivered 70 new patches but, for once, none of the fixed vulnerabilities are currently exploited by attackers nor were publicly …

Microsoft patches zero-day exploited by attackers (CVE-2023-28252)

April 11, 2023

It’s April 2023 Patch Tuesday, and Microsoft has released fixes for 97 CVE-numbered vulnerabilities, including one actively exploited zero-day (CVE-2023-28252). About …

Exchange Online will soon start blocking emails from old, vulnerable on-prem servers

March 28, 2023

Slowly but surely, Microsoft aims to make it impossible for unsupported and/or unpatched on-prem Microsoft Exchange servers to use the company’s Exchange Online hosted …

Microsoft Exchange admins advised to expand antivirus scanning

February 27, 2023

After having stressed the importance of keeping Exchange servers updated last month, Microsoft is advising administrators to widen the scope of antivirus scanning on those …

Microsoft patches three exploited zero-days (CVE-2023-21715, CVE-2023-23376, CVE-2023-21823)

February 14, 2023

The February 2023 Patch Tuesday is upon us, with Microsoft releasing patches for 75 CVE-numbered vulnerabilities, including three actively exploited zero-day flaws …

Microsoft plugs actively exploited zero-day hole (CVE-2023-21674)

January 10, 2023

To mark the January 2023 Patch Tuesday, Microsoft has released patches for 98 CVE-numbered vulnerabilities, including one exploited in the wild (CVE-2023-21674) and one …

Rackspace ransomware attack was executed by using previously unknown security exploit

January 9, 2023

The MS Exchange exploit chain recently revealed by Crowdstrike researchers is how the Play ransomware gang breached the Rackspace Hosted Exchange email environment, the …

New Microsoft Exchange exploit chain lets ransomware attackers in (CVE-2022-41080)

December 21, 2022

Ransomware-wielding attackers are using a new exploit chain that includes one of the ProxyNotShell vulnerabilities (CVE-2022-41082) to achieve remote code execution on …

Rackspace Hosted Exchange outage was caused by ransomware

December 6, 2022

Rackspace has finally confirmed the cause of the ongoing outage of its Hosted Exchange service: it’s ransomware. “As you know, on Friday, December 2nd, 2022, we …

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