Mar 25, 2023Ravie LakshmananEnterprise Security / Microsoft Microsoft on Friday shared guidance to help customers discover indicators of compromise (IoCs) associated with a recently patched Outlook vulnerability. Tracked as CVE-2023-23397 (CVSS score: 9.8), the critical flaw relates to a case of privilege escalation that could be exploited to steal NT Lan Manager (NTLM) … [Read more...] about Microsoft Warns of Stealthy Outlook Vulnerability Exploited by Russian Hackers
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Microsoft Urges Customers to Secure On-Premises Exchange Servers
Jan 28, 2023Ravie LakshmananEmail Security / Cyber Threat Microsoft is urging customers to keep their Exchange servers updated as well as take steps to bolster the environment, such as enabling Windows Extended Protection and configuring certificate-based signing of PowerShell serialization payloads. "Attackers looking to exploit unpatched Exchange servers are not going to go … [Read more...] about Microsoft Urges Customers to Secure On-Premises Exchange Servers
Microsoft Issues January 2023 Patch Tuesday Updates, Warns of Zero-Day Exploit
The first Patch Tuesday fixes shipped by Microsoft for 2023 have addressed a total of 98 security flaws, including one bug that the company said is being actively exploited in the wild. 11 of the 98 issues are rated Critical and 87 are rated Important in severity, with one of the vulnerabilities also listed as publicly known at the time of release. Separately, the Windows maker … [Read more...] about Microsoft Issues January 2023 Patch Tuesday Updates, Warns of Zero-Day Exploit
France Fines Microsoft €60 Million for Using Advertising Cookies Without User Consent
Dec 23, 2022Ravie LakshmananPrivacy / Data Security France's privacy watchdog has imposed a €60 million ($63.88 million) fine against Microsoft's Ireland subsidiary for dropping advertising cookies in users' computers without their explicit consent in violation of data protection laws in the European Union. The Commission nationale de l'informatique et des libertés (CNIL) … [Read more...] about France Fines Microsoft €60 Million for Using Advertising Cookies Without User Consent
Get Latest Security Updates from Microsoft and More
Dec 14, 2022Ravie LakshmananPatch Management / Vulnerability Tech giant Microsoft released its last set of monthly security updates for 2022 with fixes for 49 vulnerabilities across its software products. Of the 49 bugs, six are rated Critical, 40 are rated Important, and three are rated Moderate in severity. The updates are in addition to 24 vulnerabilities that have been … [Read more...] about Get Latest Security Updates from Microsoft and More
Microsoft Warns of Hackers Using Google Ads to Distribute Royal Ransomware
A developing threat activity cluster has been found using Google Ads in one of its campaigns to distribute various post-compromise payloads, including the recently discovered Royal ransomware. Microsoft, which spotted the updated malware delivery method in late October 2022, is tracking the group under the name DEV-0569. "Observed DEV-0569 attacks show a pattern of continuous … [Read more...] about Microsoft Warns of Hackers Using Google Ads to Distribute Royal Ransomware
Microsoft Blames Russian Hackers for Prestige Ransomware Attacks on Ukraine and Poland
Microsoft on Thursday attributed the recent spate of ransomware incidents targeting transportation and logistics sectors in Ukraine and Poland to a threat cluster that shares overlaps with the Russian state-sponsored Sandworm group. The attacks, which were disclosed by the tech giant last month, involved a strain of previously undocumented malware called Prestige and is said to … [Read more...] about Microsoft Blames Russian Hackers for Prestige Ransomware Attacks on Ukraine and Poland
Microsoft Warns of Uptick in Hackers Leveraging Publicly-Disclosed 0-Day Vulnerabilities
Microsoft is warning of an uptick in the nation-state and criminal actors increasingly leveraging publicly-disclosed zero-day vulnerabilities for breaching target environments. The tech giant, in its 114-page Digital Defense Report, said it has "observed a reduction in the time between the announcement of a vulnerability and the commoditization of that vulnerability," making it … [Read more...] about Microsoft Warns of Uptick in Hackers Leveraging Publicly-Disclosed 0-Day Vulnerabilities
Microsoft Issues Improved Mitigations for Unpatched Exchange Server Vulnerabilities
Microsoft on Friday disclosed it has made more improvements to the mitigation method offered as a means to prevent exploitation attempts against the newly disclosed unpatched security flaws in Exchange Server. To that end, the tech giant has revised the blocking rule in IIS Manager from ".*autodiscover\.json.*Powershell.*" to "(?=.*autodiscover\.json)(?=.*powershell)." The … [Read more...] about Microsoft Issues Improved Mitigations for Unpatched Exchange Server Vulnerabilities
Microsoft patches 64 vulnerabilities, one being exploited
Microsoft’s vulnerability hunters have presented a fresh catch: 64 vulnerabilities in its various products and services — five of which are critical. Two vulnerabilities were publicly disclosed before the patch was released (which technically makes them zero-days), and one is being actively exploited by attackers. As usual, we recommend installing updates with no delay. In the … [Read more...] about Microsoft patches 64 vulnerabilities, one being exploited