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17a-4 LLC

17a-4 LLC Vendor Cyber Rating & Cyber Score

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17a-4 llc was established to address the expanding regulatory requirements imposed on financial institutions. 17a-4's approach bridges Compliance, Legal and Information Technology management to offer comprehensive compliance solutions for regulated content including email, instant messaging, data streams, trading platforms, websites, social media and databases. Financial institutions have a complex web of regulations and technologies to manage in order to stay in compliance. 17a-4 works with over 500 financial institutions and participates in many regulatory discussions and compliance examinations; as such, have a deep understanding as to the financial industry’s best practices. 17a-4 works with Compliance and IT teams to advise


17a-4 LLC A.I CyberSecurity Scoring

Incident Details
17a-4 LLC
Company Information
Website:https://www.17a-4.com/
Employees number:18
Number of followers:431
NAICS:5112
Industry Type:Software Development
Homepage:17a-4.com
Cyber Premium EstimationGet Supply Chain
17a-4 LLC Risk Score (AI oriented)
Between 700 and 749
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17a-4 LLCSoftware Development
Updated:
02/04/2026
743/1000
Moderate
Ba
AaaAaABaaBaBCaaCaC
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17a-4 LLC Global Score (TPRM)
xxxx
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17a-4 LLCSoftware Development
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17a-4 LLC
17a-4 LLCModerate
Current Score
743Ba (MODERATE)
01000
1 incidents
0 avg impact
Incident timeline with MITRE ATT&CK tactics, techniques, and mitigations.
JUNE 2026
744Before Incident
MAY 2026
744Before Incident
APRIL 2026
743Before Incident
MARCH 2026
743Before Incident
FEBRUARY 2026
743Before Incident
JANUARY 2026
742Before Incident
DECEMBER 2025
742Before Incident
NOVEMBER 2025
742Before Incident
OCTOBER 2025
741Before Incident
SEPTEMBER 2025
741Before Incident
AUGUST 2025
741Before Incident
JULY 2025
740Before Incident
APRIL 2024
751Before Incident
Cyber Attack
01 Apr 2024 • 17a-4 LLC
Output Messenger

Marbled Dust Exploits CVE-2025-27920 in Output Messenger for Cyberespionage Against Kurdish Military-Linked Users

733After Incident
CRITICAL-18
17A1182911113025
The Türkiye-affiliated threat group Marbled Dust (also known as Sea Turtle/UNC1326) exploited a directory traversal vulnerability (CVE-2025-27920) in Output Messenger, a multi-platform enterprise chat application, to target Kurdish military-linked users in Iraq as part of a cyberespionage campaign active since April 2024. The attack chain involved typosquatted login portals and DNS hijacking to compromise Output Messenger’s Server Manager, followed by the deployment of a malicious VBS file in the Windows startup folder. This file abused the vulnerability to launch a legitimate-service-spoofing Golang backdoor, enabling C2 communications, host data exfiltration, and arbitrary command execution, leading to unauthorized data compromise.The breach suggests state-sponsored motives, with the threat actor expanding its capabilities to achieve operational objectives, likely for intelligence gathering or strategic disruption. The compromised military-linked communications pose risks of sensitive operational data exposure, potentially endangering regional security dynamics. The exploitation of a zero-day (or newly disclosed) vulnerability underscores the sophistication of the attack, with implications for geopolitical stability given the targeted demographic (Kurdish military personnel) and the actor’s affiliation (Türkiye).
INCIDENT DETAILS -
TYPE
cyberespionagetargeted attack
MOTIVATION
cyberespionage (targeting Kurdish military-linked users)
IMPACT
host datapotentially sensitive military-linked informationOutput Messenger Server ManagerWindows systems (via VBS file)command-and-control (C2) infrastructure
DATA BREACH
host datapotentially military-linked communicationsSensitivity Of Data: high (military-linked)
REFERENCES
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