Unit 42 Threat Research

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Phishing on the Edge of the Web and Mobile Using QR Codes

We discuss the extensive use of malicious QR codes using URL shorteners, in-app deep links and direct APK downloads to bypass mobile security....
February 13, 2026
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Nation-State Actors Exploit Notepad++ Supply Chain

Unit 42 reveals new infrastructure associated with the Notepad++ attack. This expands understanding of threat actor operations and malware delivery....
February 11, 2026
By  Unit 42
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A Peek Into Muddled Libra’s Operational Playbook

Explore the tools Unit 42 found on a Muddled Libra rogue host. Learn how they target domain controllers and use search engines to aid their attacks....
February 10, 2026
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Novel Technique to Detect Cloud Threat Actor Operations

We introduce a novel method that maps cloud alert trends to MITRE ATT&CK techniques. The patterns created could identify threat actors by behavior....
February 6, 2026
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The Shadow Campaigns: Uncovering Global Espionage

In 2025 a threat group compromised government and critical infrastructure in 37 countries, with reconnaissance in 155....
February 5, 2026
By  Unit 42
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Why Smart People Fall For Phishing Attacks

Why do successful phishing attacks target our psychology rather than just our software? Discover Unit 42’s latest insights on defeating social engineering and...
February 3, 2026
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Privileged File System Vulnerability Present in a SCADA System

We detail our discovery of CVE-2025-0921. This privileged file system flaw in SCADA system Iconics Suite could lead to a denial-of-service (DoS) attack....
January 30, 2026
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Understanding the Russian Cyberthreat to the 2026 Winter Olympics

Russia's current isolation from the Olympics may lead to increased cyberthreats targeting the 2026 Winter Games. We discuss the potential threat picture....
January 29, 2026

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