Security News

Live news from trusted publications, matched against DayBreach CVE data.

All sourcesArs Technica · 62BleepingComputer · 144CERT Polska · 76Cisco Talos · 46CrowdStrike · 32Dark Reading · 55DataBreaches.net · 22Krebs on Security · 12Microsoft Security Blog · 36Proofpoint · 35Rapid7 · 62SANS Internet Storm Center · 51Security.NL · 278SecurityWeek · 48SentinelOne · 30The Cyber Express · 65TheCyberThrone · 48The Hacker News · 268The Record · 29Unit 42 · 43
Microsoft Security Blog2 mo ago

DeadLock ransomware: Breaking down a Rust-based encryptor with decentralized recovery infrastructure

Microsoft Threat Intelligence examines DeadLock ransomware, an emerging financially motivated operation distinguished by its use of decentralized infrastructure to support victim communications, negotiations, and data leak operations alongside double extortion tactics used to pressure victims. The post DeadLock ransomware: Breaking down a Rust-based encryptor with decentralized recovery infrastructure appeared first on Microsoft Security Blog.

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Microsoft Security Blog2 mo ago

​​Microsoft named a Leader in the KuppingerCole Leadership Compass for Cloud Native Application Protection Platforms (CNAPP)

Learn why KuppingerCole named Microsoft a Leader in its Leadership Compass: Cloud Native Application Protection Platforms report. The post ​​Microsoft named a Leader in the KuppingerCole Leadership Compass for Cloud Native Application Protection Platforms (CNAPP) appeared first on Microsoft Security Blog.

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Microsoft Security Blog2 mo ago

From open lures to cloaked gates: How a macOS ClickFix campaign learned to hide

A macOS ClickFix campaign shifted tactics from openly serving infostealer lures to hiding them behind a browser-fingerprinting gate. The change makes malicious infrastructure harder to detect while giving defenders new hunting opportunities. The post From open lures to cloaked gates: How a macOS ClickFix campaign learned to hide appeared first on Microsoft Security Blog.

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Microsoft Security Blog2 mo ago

ChainDrop supply chain compromise: Anatomy of a self-propagating worm

A credential-stealing worm hidden in more than 400 compromised npm packages automatically spread across software ecosystems by republishing malicious updates. This analysis details the attack chain, affected environments, and practical guidance for detection, hunting, and remediation. The post ChainDrop supply chain compromise: Anatomy of a self-propagating worm appeared first on Microsoft Security Blog.

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Microsoft Security Blog2 mo ago

128 Seconds to disruption: Microsoft Defender stops ransomware at QNET

Microsoft Defender automatically isolated a compromised QNET endpoint in 128 seconds, stopping a multi-stage attack before the payload could persist or spread. The post 128 Seconds to disruption: Microsoft Defender stops ransomware at QNET appeared first on Microsoft Security Blog.

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Microsoft Security Blog2 mo ago

CaptiveCrunch: Midnight Blizzard targets travelers worldwide for malware delivery and credential theft

Storm-2945, a sub-cluster of the Russian threat actor Midnight Blizzard, has been observed compromising the sign-in portals of hospitality-related organizations such as hotels since May 2026 in order to deliver malware to travelers and steal credentials in an operation we call CaptiveCrunch. The post CaptiveCrunch: Midnight Blizzard targets travelers worldwide for malware delivery and credential theft appeared first on Microsoft Security Blog.

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