PT-2026-24339

Name of the Vulnerable Software and Affected Versions Coral Server versions prior to 1.1.0 Description Coral Server is an open collaboration infrastructure designed for communication, coordination, trust, and payments within The Internet of Agents. Before version 1.1.0, the Server Side Events SSE...

Exploring the Drivers of Information Security Policy Compliance among Contingent Employees: A Social, Deterrent, and Involvement-Based Approach

As institutions increasingly depend on Information Systems ISs, ensuring compliance with Information Systems Security Policies ISSPs is critical, especially among contingent employees, whose engagement differs from that of permanent staff. This study examines how Subjective Norm, Deterrence...

Inside Tycoon2FA: How a leading AiTM phishing kit operated at scale

In this article 1. Operational overview of Tycoon2FA 2. Mitigation and protection guidance 3. Microsoft Defender detections Following its emergence in August 2023, Tycoon2FA rapidly became one of the most widespread phishing-as-a-service PhaaS platforms, enabling campaigns responsible for tens of...

Europol, Microsoft, TrendAI™ and Collaborators Halt Tycoon 2FA Operations

Tycoon 2FA was dismantled this week by law enforcement and industry partners including TrendAI™. The phishing-as-a-service platform offered MFA bypass services using adversary-in-the-middle AitM proxying...

Henry IV, Hotspur, Hal, and hallucinations

Welcome to this week's edition of the Threat Source newsletter. " 'Tis dangerous to take a cold, to sleep, to drink; but I tell you, my lord fool, out of this nettle, danger, we pluck this flower, safety." - Hotspur, Shakespeare's Henry IV, Part 1: Act 2 Scene 3 I get it. Hotspur is the...

Security Bulletin: The IBM SPSS Collaboration and Deployment Services impacted by multiple vulnerabilities disclosed in IBM Semeru Runtime

Summary The IBM SPSS Collaboration and Deployment Services impacted by multiple vulnerabilities disclosed in IBM Semeru Runtime CVE-2026-21945, CVE-2026-21932, CVE-2026-21933, CVE-2026-21925, CVE-2026-1188. These vulnerabilities are addressed. Vulnerability Details CVEID:CVE-2026-21945 DESCRIPTIO...

PT-2026-22053

Name of the Vulnerable Software and Affected Versions IceWarp Servers affected versions not specified Description IceWarp Servers are experiencing a directory traversal issue that allows unauthorized disclosure of sensitive information. This issue is being actively exploited and does not require...

IceWarp collaboration Directory Traversal Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on affected installations of IceWarp. Authentication is not required to exploit this vulnerability. The specific flaw exists within handling of the ticket parameter provided to the collaboration endpoint. The issue resul...

Understanding Human-AI Collaboration in Cybersecurity Competitions

Capture-the-Flag CTF competitions are increasingly becoming a testbed for evaluating AI capabilities at solving security tasks, due to the controlled environments and objective success criteria. Existing evaluations have focused on how successful AI is at solving CTF challenges in isolation from...

CVE-2025-67993

Missing Authorization vulnerability in Vito Peleg Atarim atarim-visual-collaboration allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Atarim: from n/a through = 4.2.1...

Exploit for PHP Remote File Inclusion in Synacor Zimbra_Collaboration_Suite

ZimLFI-Hunter CVE-2025-68645 !Pythonhttps://img.shields...

CVE-2025-67993

Missing Authorization vulnerability in Vito Peleg Atarim atarim-visual-collaboration allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Atarim: from n/a through = 4.2.1...

CVE-2025-67993 WordPress Atarim plugin <= 4.2.1 - Broken Access Control vulnerability

Missing Authorization vulnerability in Vito Peleg Atarim atarim-visual-collaboration allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Atarim: from n/a through = 4.2.1...

PT-2026-21061

Name of the Vulnerable Software and Affected Versions Atarim versions through 4.2.1 Description A missing authorization issue exists in Vito Peleg Atarim atarim-visual-collaboration, allowing exploitation of incorrectly configured access control security levels. Recommendations At the moment, the...

CISA Flags Four Security Flaws Under Active Exploitation in Latest KEV Update

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Tuesday added four security flaws to its Known Exploited Vulnerabilities KEV catalog, citing evidence of active exploitation in the wild. The list of vulnerabilities is as follows - CVE-2026-2441 CVSS score: 8.8 - A use-after-free...

Synacor Zimbra Collaboration Suite (ZCS) Server-Side Request Forgery Vulnerability

Synacor Zimbra Collaboration Suite ZCS contains a server-side request forgery vulnerability if WebEx zimlet installed and zimlet JSP is enabled...

Safe and Inclusive E‑Society: How Lithuania Is Bracing for AI‑Driven Cyber Fraud

Technologies are evolving fast, reshaping economies, governance, and daily life. Yet, as innovation accelerates, so do digital risks. Technological change is no longer abstract for such a country as Lithuania, as well. From e-signatures to digital health records, the country depends on secure...

From points to payouts: The evolution of the Microsoft security researcher leaderboard

The global security research community plays a critical role in helping Microsoft protect customers. Through their deep technical expertise, coordinated disclosure, and collaboration, researchers help identify and remediate vulnerabilities, and shape how our security programs evolve. Many of the...

The security implementation gap: Why Microsoft is supporting Operation Winter SHIELD

Every conversation I have with information security leaders tends to land in the same place. People understand what matters. They know the frameworks, the controls, and the guidance. They can explain why identity security, patching, and access control are critical. And yet incidents keep happenin...

The security implementation gap: Why Microsoft is supporting Operation Winter SHIELD

Every conversation I have with information security leaders tends to land in the same place. People understand what matters. They know the frameworks, the controls, and the guidance. They can explain why identity security, patching, and access control are critical. And yet incidents keep happenin...