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CHILLYHELL macOS Backdoor and ZynorRAT RAT Threaten macOS, Windows, and Linux Systems

Cybersecurity researchers have discovered two new malware families, including a modular Apple macOS backdoor called CHILLYHELL and a Go-based remote access trojan (RAT) named ZynorRAT that can target both Windows and Linux systems.
According to an analysis from Jamf Threat Labs, ChillyHell is written in C++ and is developed for Intel architectures.
CHILLYHELL is the name assigned to a malware

Microsoft fixes streaming issues triggered by Windows updates

Microsoft has resolved severe lag and stuttering issues with streaming software affecting Windows 10 and Windows 11 systems after installing the August 2025 security updates. […]

Geordie Emerges From Stealth With $6.5M for AI Agent Security Platform

Geordie has developed a platform that gives enterprises deep visibility into AI agents and what they are doing.

The post Geordie Emerges From Stealth With $6.5M for AI Agent Security Platform appeared first on SecurityWeek.

Microsoft fixes app install issues caused by August Windows updates

Microsoft has fixed a known issue caused by the August 2025 security updates, which triggers unexpected User Account Control (UAC) prompts and app installation problems for non-admin users on all Windows versions. […]

Red Access Raises $17 Million for Agentless Security Platform

The investment will accelerate product innovation and will fuel the security company’s expansion in the US.

The post Red Access Raises $17 Million for Agentless Security Platform appeared first on SecurityWeek.

CISA Presents Vision for the Common Vulnerabilities and Exposures (CVE) Program

Apple Unveils iPhone Memory Protections to Combat Sophisticated Attacks

Apple’s new Memory Integrity Enforcement (MIE) brings always-on memory-safety protection covering key attack surfaces — including the kernel and over 70 userland processes.

The post Apple Unveils iPhone Memory Protections to Combat Sophisticated Attacks appeared first on SecurityWeek.

Microsoft Fixes 80 Flaws — Including SMB PrivEsc and Azure CVSS 10.0 Bugs

Microsoft on Tuesday addressed a set of 80 security flaws in its software, including one vulnerability that has been disclosed as publicly known at the time of release.
Of the 80 vulnerabilities, eight are rated Critical and 72 are rated Important in severity. None of the shortcomings has been exploited in the wild as a zero-day. Like last month, 38 of the disclosed flaws are related to

Hush Security Emerges Stealth to Eliminate Credential Threats With No-Secrets Platform

Tel Aviv–based startup replaces vaults and secrets managers with just-in-time policies, aiming to eliminate credentials entirely.

The post Hush Security Emerges Stealth to Eliminate Credential Threats With No-Secrets Platform appeared first on SecurityWeek.

Apple iPhone Air and iPhone 17 Feature A19 Chips With Spyware-Resistant Memory Safety

Apple on Tuesday revealed a new security feature called Memory Integrity Enforcement (MIE) that’s built into its newly introduced iPhone models, including iPhone 17 and iPhone Air.
MIE, per the tech giant, offers “always-on memory safety protection” across critical attack surfaces such as the kernel and over 70 userland processes without sacrificing device performance by designing its A19 and

Author: brangberg