Collaborate Disseminate
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 servers. Microsoft Exchange servers in attackers’ crosshairs Cyber attacke… Continue reading Microsoft Exchange admins advised to expand antivirus scanning
The February 2023 Patch Tuesday is upon us, with Microsoft releasing patches for 75 CVE-numbered vulnerabilities, including three actively exploited zero-day flaws (CVE-2023-21715, CVE-2023-23376, CVE-2023-21823). The three zero-days (CVE-2023-21715, C… Continue reading Microsoft patches three exploited zero-days (CVE-2023-21715, CVE-2023-23376, CVE-2023-21823)
By Waqas
Cybercriminals are leveraging two exploit chains (ProxyNotShell/OWASSRF) to target Microsoft Exchange servers, as warned by Bitdefender Labs.
This is a post from HackRead.com Read the original post: New Wave of Cyberattacks Targeting MS Exchan… Continue reading New Wave of Cyberattacks Targeting MS Exchange Servers
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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 (CVE-2023-21549) that’s been publicly disclosed. Both allow attackers to elev… Continue reading Microsoft plugs actively exploited zero-day hole (CVE-2023-21674)
The MS Exchange exploit chain recently revealed by Crowdstrike researchers is how the Play ransomware gang breached the Rackspace Hosted Exchange email environment, the company confirmed last week. The exploit chains CVE-2022-41082, a RCE flaw, and CVE… Continue reading Rackspace ransomware attack was executed by using previously unknown security exploit
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 Microsoft Exchange servers. The ProxyNotShell exploit chain used CVE-2022-41040, a S… Continue reading New Microsoft Exchange exploit chain lets ransomware attackers in (CVE-2022-41080)
At the end of September, GTSC reported the finding of two 0-day vulnerabilities in Microsoft Exchange Server, CVE-2022-41040 and CVE-2022-41082. The cybersecurity community dubbed the pair of vulnerabilities ProxyNotShell. Continue reading CVE-2022-41040 and CVE-2022-41082 – zero-days in MS Exchange
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 became aware of suspicious activity and immediately took proactive measures to … Continue reading Rackspace Hosted Exchange outage was caused by ransomware
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 protect the environment, this will continue to be an extended outage of Hosted Ex… Continue reading Rackspace Hosted Exchange service outage caused by security incident