ET-3421
📛 Threat Title
Ruleset Update Summary - 2026/08/17 - v11258
Indicators of Compromise (0)
No indicators of compromise on this threat.
References (1)
- Ruleset Update Summary - 2026/08/17 - v11258 Emerging Threats Community
Remediations (10)
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web:blog.qualys.com
The August 2026 Microsoft Patch Tuesday release delivers security fixes for vulnerabilities affecting a wide range of Microsoft products and services.
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web:cloud.ibm.com
CIS WAF rule change log Stay informed with daily updates to CIS WAF managed rules, including newly identified threats, detection improvements, ruleset changes, and enhanced security protections.
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web:community.emergingthreats.net
Summary : 9 new OPEN, 12 new PRO (9 + 3) Added rules: Open: 2071235 - ET WEB_SPECIFIC_APPS SonicWall SMA Websocket Tunnel Bypass (CVE-2026-15409) (web_specific_apps.rules) 2071236 - ET EXPLOIT_KIT LandUpdate808 Domain in DNS Lookup (meduurst .space) (exploit_kit.rules) 2071237 - ET EXPLOIT_KIT LandUpdate808 Domain in TLS SNI (meduurst .space) (exploit_kit.rules) 2071238 - ET MALWARE TA569 ...
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web:community.emergingthreats.net
Summary : 37 new OPEN, 47 new PRO (37 + 10) Added rules: Open: 2071437 - ET WEB_SPECIFIC_APPS Rapid7 Velociraptor Authenticated Account Takeover via Identity Spoofing (CVE-2026-18972) (web_specific_apps.rules) 2071438 - ET MALWARE Head Mare CnC Domain in DNS Lookup (penzadogshelter .site) (malware.rules) 2071439 - ET MALWARE Head Mare CnC Domain in DNS Lookup (media-hub .today) (malware.rules ...
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web:learn.microsoft.com
Azure Web Application Firewall supports a defined set of managed ruleset versions to ensure strong security protections, predictable behavior, and a clear upgrade path for customers. Azure manages the Default Rule Set (DRS), Bot Management, and HTTP DDoS rulesets versions and periodically releases new rule set versions that include new protections, updated signatures, and rule improvements.
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web:learn.microsoft.com
Remediate security weaknesses discovered through security recommendations, and create exceptions if needed, in Defender Vulnerability Management.
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web:msrc-ppe.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
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web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
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web:portal.msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
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web:www.fedramp.gov
This section contains the entire Consolidated Rules for 2026 as a standalone reference for each ruleset .
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