A new threat has emerged in the ransomware landscape with the discovery of Yurei ransomware, first publicly identified in early September 2025. This Go-based malware follows a typical ransomware operation model by infiltrating corporate networks, encrypting critical data, deleting backups, and demanding ransom for stolen information. The group operates through a dedicated dark web site […] The post Yurei Ransomware File Encryption, Operation Model and Data Transfer Methods Uncovered appeared first on Cyber Security News.

Pig-butchering scams have grown into one of the most damaging global cybercrime threats, causing billions of dollars in losses every year. These long-term investment fraud schemes work by building trust through emotional grooming and fake trading platforms before draining victims of their life savings. The scams now operate at an industrial scale, and criminal groups […] The post Pig-Butchering Scams Operators Scaled Their Operations with The Support of AI-Assistants appeared first on Cyber Security News.

A new phishing campaign has emerged that weaponizes Microsoft Entra guest user invitations to deceive recipients into making phone calls to attackers posing as Microsoft support. The attack leverages a critical security gap in how Microsoft Entra communicates with external users, turning a legitimate collaboration feature into a delivery mechanism for sophisticated social engineering attacks. […] The post Hackers Leverages Microsoft Entra Tenant Invitations to Launch TOAD Attacks appeared first on Cyber Security News.

In November 2025, a new malware campaign emerged that combines social engineering tricks with advanced stealing tools. The attack starts when criminals trick users into running commands through the Windows Run window, a technique known as ClickFix. Once users follow these instructions, their computers become infected with Amatera Stealer, an advanced piece of malware designed […] The post EVALUSION Campaign Using ClickFix Technique to deploy Amatera Stealer and NetSupport RAT appeared first on Cyber Security News.