Microsoft Releases Enhanced Security Controls for Copilot for Microsoft 365 Amid Enterprise Data Oversharing Concerns
Microsoft introduces new Purview DLP integration, sensitivity label enforcement, and oversharing assessment tools for Copilot for Microsoft 365, responding to widespread CISO concerns about AI assistants accessing sensitive data through existing permissions.
CrossCurve DeFi Bridge Exploited for $3M Through Message Validation Bypass
Attackers drained approximately $3 million from CrossCurve's cross-chain bridge by spoofing messages to the ReceiverAxelar contract, which lacked proper validation of cross-chain calls.
Varonis Finds 'Reprompt' Prompt Injection That Exfiltrates Data From Microsoft Copilot
Varonis discovered a prompt injection attack chain that could steal sensitive data from Microsoft Copilot with a single click, bypassing safety filters through double-request and chain-request techniques. Patched January 13, 2026.
Qilin Ransomware Gang Claims Tulsa International Airport Breach
The Russian-speaking Qilin ransomware group listed Tulsa International Airport as a victim, leaking financial documents, employee IDs, and executive communications in the aviation sector's first reported attack of 2026.
GlassWorm: Self-Spreading Malware Hits VS Code Extensions on Open VSX
GlassWorm, a self-propagating worm using Solana blockchain for C2 and invisible Unicode obfuscation, has infected 35,800+ developers through compromised VS Code extensions on Open VSX.
RedKitten: Iran-Linked Group Targets Human Rights NGOs With AI-Written Macros
HarfangLab uncovered an Iran-linked campaign using AI-generated Office macros and the SloppyMIO backdoor to target activists documenting human rights violations during Iran's 2025-2026 protests.
CISA 2015 Cybersecurity Information Sharing Authorities Set to Expire
The Cybersecurity Information Sharing Act of 2015 faces expiration on January 30, 2026, despite bipartisan support for 10-year reauthorization. Sen. Rand Paul's objections over unrelated CISA agency concerns block permanent extension.
CrowdStrike Q4 FY2026 Preview: Charlotte AI and Platform Consolidation Drive Growth
CrowdStrike's fiscal Q4 2026 earnings call scheduled for March 3, 2026, with analysts expecting continued momentum from Falcon platform consolidation, Charlotte AI efficiency gains, and FedRAMP High authorization.
Ivanti EPMM Zero-Days Chained for Unauthenticated RCE, Already Exploited in the Wild
Two chained Ivanti EPMM vulnerabilities (CVE-2026-1281 and CVE-2026-1340, both CVSS 9.8) allow unauthenticated RCE via Bash command injection. CISA gave federal agencies only 3 days to patch.
GootLoader Uses 500-1,000 Concatenated ZIP Archives to Evade Detection
The GootLoader malware loader now creates malformed ZIP files containing hundreds of concatenated archives, causing security tools to extract harmless files while Windows extracts malicious JavaScript.
eScan Antivirus Update Server Breached, Trojanized Updates Distributed to Customers
Attackers compromised an eScan regional update server on January 20, 2026, distributing signed malicious updates that deployed a multi-stage backdoor. IOCs and detection guidance included.
Fake AI Coding Assistant on VS Code Marketplace Drops ScreenConnect RAT
A malicious VS Code extension posing as an AI coding assistant deploys ConnectWise ScreenConnect for persistent remote access using quadruple impersonation tactics and Rust-based backup delivery.