Signed malware impersonating workplace apps deploys RMM backdoors

In February 2026, Microsoft Defender Experts identified multiple phishing campaigns attributed to an unknown threat actor. The campaigns used workplace meeting lures, PDF attachments, and abuse of legitimate binaries to deliver signed malware. Phishing emails directed users to download malicious...

Signed malware impersonating workplace apps deploys RMM backdoors

In February 2026, Microsoft Defender Experts identified multiple phishing campaigns attributed to an unknown threat actor. The campaigns used workplace meeting lures, PDF attachments, and abuse of legitimate binaries to deliver signed malware. Phishing emails directed users to download malicious...

EUVD-2011-3385

Malware in sbrugna...

Thunderbird < 24.2 Multiple Vulnerabilities (Mac OS X)

The installed version of Thunderbird is earlier than 24.2 and is, therefore, potentially affected by the following vulnerabilities : - Memory issues exist in the browser engine that could result in a denial of service or arbitrary code execution. CVE-2013-5609, CVE-2013-5610 - Two use-after-free...

Mozilla Thunderbird < 24.2 Multiple Vulnerabilities

The installed version of Thunderbird is earlier than 24.2 and is, therefore, potentially affected the following vulnerabilities: - Memory issues exist in the browser engine that could result in a denial of service or arbitrary code execution. CVE-2013-5609, CVE-2013-5610 - Two use-after-free...

Apple Mac OS X Keychain Certificate Settings Security Bypass Vulnerability

This host is installed with Mac OS X and is prone to the security bypass vulnerability. OpenVAS Vulnerability Test $Id: secpodmacosxkeychainimplsecbypassvuln.nasl 7044 2017-09-01 11:50:59Z teissa $ Apple Mac OS X Keychain Certificate Settings Security Bypass Vulnerability Authors: Antu Sanadi...

Design/Logic Flaw

The Keychain implementation in Apple Mac OS X 10.6.8 and earlier does not properly handle an untrusted attribute of a Certification Authority certificate, which makes it easier for man-in-the-middle attackers to spoof arbitrary SSL servers via an Extended Validation certificate, as demonstrated b...

CVE-2011-3422

The Keychain implementation in Apple Mac OS X 10.6.8 and earlier does not properly handle an untrusted attribute of a Certification Authority certificate, which makes it easier for man-in-the-middle attackers to spoof arbitrary SSL servers via an Extended Validation certificate, as demonstrated b...