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The Register
One CVE under attack, one already disclosed by angry bug hunter, and 163 more Attackers exploited a spoofing vulnerability in Microsoft SharePoint Server before Redmond issued a fix as part of April's mega Patch Tuesday.…
The Hacker News
Threat actors with ties to China exploited the ToolShell security vulnerability in Microsoft SharePoint to breach a telecommunications company in the Middle East after it was publicly disclosed and patched in July 2025. Also targeted were government departments in an African country, as well as government agencies in South America, a university in the U.S., as well as likely a state technology
Bleeping Computer
Hackers believed to be associated with China have leveraged the ToolShell vulnerability (CVE-2025-53770) in Microsoft SharePoint in attacks targeting government agencies, universities, telecommunication service providers, and finance organizations. [...]
The Register
Uncle Sam can't quit Redmond The US Air Force confirmed it's investigating a "privacy-related issue" amid reports of a Microsoft SharePoint-related breach and subsequent service-wide shutdown, rendering mission files and other critical tools potentially unavailable to service members.… Exclusive
The Register
Indications of compromise and Sigma rules report for your security scanners amid ongoing 'ToolShell' blitz CISA has published a malware analysis report with compromise indicators and Sigma rules for "ToolShell" attacks targeting specific Microsoft SharePoint Server versions.…
The Hacker News
The threat actor linked to the exploitation of the recently disclosed security flaws in Microsoft SharePoint Server is using a bespoke command-and-control (C2) framework called AK47 C2 (also spelled ak47c2) in its operations. The framework includes at least two different types of clients, HTTP-based and Domain Name System (DNS)-based, which have been dubbed AK47HTTP and AK47DNS, respectively, by
Check Point Research
Key Findings Introduction Check Point Research (CPR) has been closely monitoring the ongoing exploitation of a group of Microsoft SharePoint Server vulnerabilities collectively referred to as “ToolShell.” These active attacks leverage four vulnerabilities—CVE-2025-49704, CVE-2025-49706, CVE-2025-53770, and CVE-2025-53771—and are attributed to multiple China affiliated threat actors. Among the threat groups identified by Microsoft, two are known […] The post appeared first on . Before ToolShell: Exploring Storm-2603’s Previous Ransomware Operations Check Point Research
Check Point Research
For the latest discoveries in cyber research for the week of 28th July, please download our Threat Intelligence Bulletin. TOP ATTACKS AND BREACHES The US Energy Department, including its National Nuclear Security Administration (NNSA), was reportedly breached as part of a Microsoft SharePoint vulnerability exploit. The breach was linked to a broader espionage campaign, that […] The post appeared first on . 28th July – Threat Intelligence Report Check Point Research
The Register
Let the games begin Ransomware has officially entered the Microsoft SharePoint exploitation ring.…
Bleeping Computer
A Chinese hacking group is deploying Warlock ransomware on Microsoft SharePoint servers vulnerable to widespread attacks targeting the recently patched ToolShell zero-day exploit chain. [...]