Daily Cybersecurity News Roundup – October 17, 2025

Stay updated with the latest cybersecurity news! This daily roundup covers critical vulnerabilities, emerging threats, and significant data breaches to keep you informed and secure in the ever-evolving digital landscape.

1. North Korean Hackers Combine BeaverTail and OtterCookie into Advanced JS Malware

Published: 2025-10-17

North Korean threat actors linked to the Contagious Interview campaign have merged functionalities of BeaverTail and OtterCookie malware, adding keylogging and screenshot capabilities, as reported by Cisco Talos.

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2. Identity Security: Your First and Last Line of Defense

Published: 2025-10-17

AI agents pose significant risks due to their autonomous execution of tasks with system privileges, emphasizing the critical role of identity management in modern enterprise security.

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3. Researchers Uncover WatchGuard VPN Bug That Could Let Attackers Take Over Devices

Published: 2025-10-17

A critical out-of-bounds write vulnerability (CVE-2025-9242) in WatchGuard Fireware OS allows unauthenticated remote attackers to execute arbitrary code via IKEv2 VPN configurations, now patched in recent versions.

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4. Microsoft Revokes 200 Fraudulent Certificates Used in Rhysida Ransomware Campaign

Published: 2025-10-17

Microsoft revoked over 200 fraudulent certificates used by the Vanilla Tempest threat actor to sign malicious binaries delivering the Oyster backdoor and Rhysida ransomware in fake Teams setup files.

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5. North Korean Hackers Use EtherHiding to Hide Malware Inside Blockchain Smart Contracts

Published: 2025-10-16

North Korean-linked UNC5342 actors employed the EtherHiding technique in the Contagious Interview campaign to distribute malware via blockchain smart contracts for cryptocurrency theft.

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6. Hackers Abuse Blockchain Smart Contracts to Spread Malware via Infected WordPress Sites

Published: 2025-10-16

The UNC5142 threat actor used EtherHiding on compromised WordPress sites to distribute information stealers like Atomic, Lumma, Rhadamanthys, and Vidar targeting Windows and macOS systems.

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7. LinkPro Linux Rootkit Uses eBPF to Hide and Activates via Magic TCP Packets

Published: 2025-10-16

The LinkPro rootkit, discovered in an AWS compromise via a vulnerable Jenkins server, uses eBPF modules for concealment and remote activation through magic packets.

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8. Architectures, Risks, and Adoption: How to Assess and Choose the Right AI-SOC Platform

Published: 2025-10-16

Security Operations Centers face overwhelming alerts, prompting 88% of organizations to evaluate AI-driven SOC platforms, with guidance on assessing architectures, risks, and value.

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