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Oct 18, 2021
Grief Ransomware Gang Claims 41 New Victims, Targeting Manufacturers; Municipalities; & Service Companies in U.K. & Europe
Grief Operators Earned an Estimated 8.5 Million British Pounds in Four Months Key Findings: The Grief Ransomware Gang (a rebrand of the DoppelPaymer Ransomware Group) claims to have infected 41 new victims between May 27, 2021—Oct. 1, 2021 with their ransomware.Over half the companies listed on Grief’s underground leak site are based in the U.K. and Europe. The Grief Ransomware Gang appears to…
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eSentire Launches MDR with Microsoft Azure Sentinel Extending Response Capabilities Across Entire Microsoft Security Ecosystem
Waterloo, ON – Oct. 12, 2021 -- eSentire, recognized globally as the Authority in Managed Detection and Response (MDR), today announced the expansion of its award-winning MDR services with Microsoft Azure Sentinel, as part of its integration with the complete Microsoft 365 Defender and Azure Defender product suites supporting Microsoft SIEM, endpoint, identity, email and cloud security services.…
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Security advisories — Feb 27, 2019

CVE-2018-8653 Internet Explorer Zero-Day

Microsoft has released an out-of-band patch for a zero-day vulnerability affecting the Internet Explorer web browser. CVE-2018-8653 is a memory corruption vulnerability that could allow remote attackers to execute arbitrary code on affected systems. Microsoft has reported active exploitation of this vulnerability in the wild. Organizations are encouraged to apply the patch released by Microsoft as soon as possible.

What we’re doing about it

What you should do about it

Update the Internet Explorer browser to the most recent version [1]

Additional information

When successfully exploited, CVE-2018-8653 allows remote code in the context of the current user.

Potential attacks may include malicious webpages delivered through email, social engineering or other redirection methods which result in malicious content rendered in vulnerable versions of Internet Explorer.

Internet Explorer versions 9, 10 & 11 are affected [2].


Resources:

[1] CVE-2018-8653 | Scripting Engine Memory Corruption Vulnerability
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8653

[2] NATIONAL VULNERABILITY DATABASE, CVE-2018-8653 Detail
https://nvd.nist.gov/vuln/detail/CVE-2018-8653

First Published: 20 December 2018
Last Updated: 24 December 2018