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Microsoft on Wednesday said it built a lightweight scanner that it said can detect backdoors in open-weight large language models (LLMs) and improve the overall trust in artificial intelligence (AI) systems. The tech giant's AI Security team said the scanner leverages three observable signals that can be used to reliably flag the presence of backdoors while maintaining a low false positive

Threat hunters have disclosed details of a new, stealthy malware campaign dubbed DEAD#VAX that employs a mix of "disciplined tradecraft and clever abuse of legitimate system features" to bypass traditional detection mechanisms and deploy a remote access trojan (RAT) known as AsyncRAT. "The attack leverages IPFS-hosted VHD files, extreme script obfuscation, runtime decryption, and in-memory

The Series C funding will enable the company to expand its AI capabilities for disrupting criminal networks. The post Blockchain Intelligence Firm TRM Labs Raises $70 Million at $1 Billion Valuation appeared first on SecurityWeek.

Threat actors affiliated with China have been attributed to a fresh set of cyber espionage campaigns targeting government and law enforcement agencies across Southeast Asia throughout 2025. Check Point Research is tracking the previously undocumented activity cluster under the moniker Amaranth-Dragon, which it said shares links to the APT 41 ecosystem. Targeted countries include Cambodia,

The flaws dubbed LookOut can be exploited for remote code execution and data exfiltration. The post Vulnerabilities Allowed Full Compromise of Google Looker Instances appeared first on SecurityWeek.

While both cyberwar and cyberwarfare will increase through 2026, cyberwarfare is likely to increase more dramatically. We hope it will never boil over – but we should be aware of the possibility and its consequences. The post Cyber Insights 2026: Cyberwar and Rising Nation State Threats appeared first on SecurityWeek.

The data security firm has acquired the AI trust, risk, and security management company to expand its capabilities. The post Varonis Acquisition of AllTrue.ai Valued at $150 Million appeared first on SecurityWeek.

The startup will use the funding to accelerate product development and go-to-market operations. The post Orion Raises $32 Million for Data Security appeared first on SecurityWeek.

An innovative approach to discovering, analyzing, and governing identity usage beyond traditional IAM controls. The Challenge: Identity Lives Outside the Identity Stack Identity and access management tools were built to govern users and directories. Modern enterprises run on applications. Over time, identity logic has moved into application code, APIs, service accounts, and custom authentication

The critical vulnerability exists in the contextual trust in MCP Gateway architecture, as instructions are passed without validation. The post DockerDash Flaw in Docker AI Assistant Leads to RCE, Data Theft appeared first on SecurityWeek.

Two IP addresses accounted for the majority of the 1.4 million exploitation attempts observed over the past week. The post Cryptominers, Reverse Shells Dropped in Recent React2Shell Attacks appeared first on SecurityWeek.

Many incident response failures do not come from a lack of tools, intelligence, or technical skills. They come from what happens immediately after detection, when pressure is high, and information is incomplete. I have seen IR teams recover from sophisticated intrusions with limited telemetry. I have also seen teams lose control of investigations they should have been able to handle. The

The critical-severity SolarWinds Web Help Desk flaw could lead to unauthenticated remote code execution. The post Fresh SolarWinds Vulnerability Exploited in Attacks appeared first on SecurityWeek.

Wiz and Permiso have analyzed the AI agent social network and found serious security issues and threats. The post Security Analysis of Moltbook Agent Network: Bot-to-Bot Prompt Injection and Data Leaks appeared first on SecurityWeek.

Microsoft has warned that information-stealing attacks are "rapidly expanding" beyond Windows to target Apple macOS environments by leveraging cross-platform languages like Python and abusing trusted platforms for distribution at scale. The tech giant's Defender Security Research Team said it observed macOS-targeted infostealer campaigns using social engineering techniques such as ClickFix since