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DNS OverDoS: Are Private Endpoints Too Private?

20 January 2026 at 18:23

We've identified an aspect of Azure’s Private Endpoint architecture that could expose Azure resources to denial of service (DoS) attacks.

The post DNS OverDoS: Are Private Endpoints Too Private? appeared first on Unit 42.

From Linear to Complex: An Upgrade in RansomHouse Encryption

17 December 2025 at 12:00

Operators behind RansomHouse, a ransomware-as-a-service (RaaS) group, have upgraded their encryption methods from single-phase to complex and layered.

The post From Linear to Complex: An Upgrade in RansomHouse Encryption appeared first on Unit 42.

New Prompt Injection Attack Vectors Through MCP Sampling

6 December 2025 at 00:00

Model Context Protocol connects LLM apps to external data sources or tools. We examine its security implications through various attack vectors.

The post New Prompt Injection Attack Vectors Through MCP Sampling appeared first on Unit 42.

The Dual-Use Dilemma of AI: Malicious LLMs

25 November 2025 at 12:00

The line between research tool and threat creation engine is thin. We examine the capabilities of WormGPT 4 and KawaiiGPT, two malicious LLMs.

The post The Dual-Use Dilemma of AI: Malicious LLMs appeared first on Unit 42.

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