A routine security update turned into a dangerous infection vector after eScan’s update infrastructure was compromised, exposing how even trusted

In mid-2025, a quiet but serious security incident unfolded around one of the world’s most trusted open-source tools, Notepad++. Used daily by developers,

The Notepad++ Nightmare: How a Hijacked Update Server Exposed Millions to Silent Supply Chain Attacks + Video - "Undercode Testing": Monitor hackers like a

Notepad++ Update Server Hijack: How State-Sponsored Hackers Infiltrated a Trusted Software Channel for Months + Video - "Undercode Testing": Monitor hackers

The attack began in June 2025, when the hosting provider for Notepad++’s update service was compromised. The attackers were able to intercept and redirect

The attack, first publicly disclosed alongside the Notepad++ v8.8.9 release in December 2025, involved the redirection of update traffic from the official

The Notepad++ Nightmare: How a Simple Update Mechanism Became a Chinese APT's Backdoor for 6 Months + Video - "Undercode Testing": Monitor hackers like a pro.

Notepad++ Update Hijack Exposed: How Supply Chain Attacks Are Bypassing Your Defenses + Video - "Undercode Testing": Monitor hackers like a pro. Get real-time

Notepad++ Hijacked: How a Simple Text Editor Update Became a Supply Chain Nightmare for Millions + Video - "Undercode Testing": Monitor hackers like a pro.

The Notepad++ Hijack: When Your Trusted Software Update Becomes a Trojan Horse + Video - "Undercode Testing": Monitor hackers like a pro. Get real-time

Introduction: A “Minor” Update That Turned Into a Major Headache

From mid-2025, hackers associated with state-sponsored groups managed to infiltrate the Notepad++ update system, using the official WinGup update framework to

The Notepad++ Update Hijack: How a Trusted Tool Became an APT's Backdoor - "Undercode Testing": Monitor hackers like a pro. Get real-time updates, AI-powered

Microsoft’s February update for Windows 11 may look modest at first glance, but beneath the surface it introduces changes that directly affect how secure,

The Notepad++ Hack: How a Single Hijacked Update Pipeline Became a Cyber Espionage Dream + Video - "Undercode Testing": Monitor hackers like a pro. Get

Master Multi-Tenant Security: How Defender's Latest Update Centralizes Cyber Defense for MSSPs and Enterprises + Video - "Undercode Testing": Monitor hackers