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 …
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 …
The February 2023 Patch Tuesday is upon us, with Microsoft releasing patches for 75 CVE-numbered vulnerabilities, including three actively exploited zero-day flaws …
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 …
The MS Exchange exploit chain recently revealed by Crowdstrike researchers is how the Play ransomware gang breached the Rackspace Hosted Exchange email environment, the …
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 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 …
Cloud computing company Rackspace has suffered a security breach that has resulted in a still ongoing outage of their Hosted Exchange environment. “In order to best …
November 2022 Patch Tuesday is here, with fixes for many vulnerabilities actively exploited in the wild, including CVE-2022-41091, a Windows Mark of the Web bypass flaw, and …
We’ve entered the final quarter of 2022 with a favorite holiday for many – Halloween, at the end of the month. Unfortunately, Microsoft has continued to play a few tricks on …
CVE-2022-41040 and CVE-2022-41082, the two exploited MS Exchange zero-days that still have no official fix, have been added to CISA’s Known Exploited Vulnerabilities …
Attackers are leveraging two zero-day vulnerabilities (CVE-2022-41040, CVE-2022-41082) to breach Microsoft Exchange servers. News of the attacks broke on Wednesday, when …