Cyber Briefing: 2026.04.22

In today’s edition, the cybersecurity environment is characterized by high-sophistication attacks targeting decentralized finance (DeFi), software supply chains, and healthcare infrastructure. This article has been indexed from CyberMaterial Read the original article: Cyber Briefing: 2026.04.22

Microsoft warns of fake IT worker identities

Microsoft has raised an alarm regarding a North Korean-affiliated group known as Jasper Sleet, which is exploiting the trend of remote hiring to infiltrate cloud environments. This article has been indexed from CyberMaterial Read the original article: Microsoft warns of…

Massive SIM Farm Network Exposed

A recent investigation has revealed a massive mobile proxy network known as ProxySmart, which spans 17 countries and involves 87 exposed control panels and at least 94 physical phone-farm locations. This article has been indexed from CyberMaterial Read the original…

Ransomware Negotiator Pleads Guilty

Angelo Martino, a former ransomware negotiator, has admitted to secretly working with the BlackCat ransomware group, pleading guilty to conspiracy charges. This article has been indexed from CyberMaterial Read the original article: Ransomware Negotiator Pleads Guilty