Hundreds of organizations breached by SharePoint mass-hacks


Security researchers say hackers have breached at least 400 organizations by exploiting a zero-day vulnerability in Microsoft SharePoint, signaling a sharp rise in the number of detected compromises since the bug was discovered last week.

Eye Security, a Dutch cybersecurity firm that first identified the vulnerability in SharePoint, a popular server software that companies use to store and share internal documents, said it had identified hundreds of affected SharePoint servers by scanning the internet. The number has risen from the dozens of known compromised servers as of earlier this week.

Read more…
Source: TechCrunch News


Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox


Related:

  • SolarWinds Web Help Desk Exploitation – February 2026

    February 10, 2026

    Multiple intrusions have been publicly reported starting on February 6, 2026 stemming from Internet-connected servers utilizing SolarWinds Web Help Desk software. This exploitation activity reportedly first occurred in December 2025. Given the number of recent CVEs affecting this product, it’s not yet clear which of several CVEs is directly responsible for these campaigns. Below are ...

  • UNC1069 Targets Cryptocurrency Sector with New Tooling and AI-Enabled Social Engineering

    February 9, 2026

    North Korean threat actors continue to evolve their tradecraft to target the cryptocurrency and decentralized finance (DeFi) verticals. Mandiant recently investigated an intrusion targeting a FinTech entity within this sector, attributed to UNC1069, a financially motivated threat actor active since at least 2018. This investigation revealed a tailored intrusion resulting in the deployment of seven unique ...

  • Malaysia: Nacsa investigating alleged cyber-espionage targeting multiple government bodies

    February 7, 2026

    The National Cyber Security Agency (Nacsa) is currently investigating alleged incidents of cyber-espionage activity targeting various Malaysian government entities. In a statement to StarLifestyle, a Nacsa spokesperson said the agency is aware of a report published by Unit 42, the threat research unit of US-based cybersecurity firm Palo Alto Networks. The Nacsa spokesperson said the agency ...

  • Approaching cyclone: Vortex Werewolf attacks Russia

    February 6, 2026

    In December 2025 and January 2026, BI.ZONE Threat Intelligence detected malicious activity by a new cluster Vortex Werewolf (SkyCloak). The attacks targeted Russian government and defense organizations. BI.ZONE researchers findings indicate that the adversary used phishing emails to deliver malware to the target systems. Victims received messages containing a download link disguised as a Telegram file‑sharing ...

  • China’s Salt Typhoon hackers broke into Norwegian companies

    February 6, 2026

    The Norwegian government has accused the Chinese-backed hacking group known as Salt Typhoon of breaking into several organizations in the country. In a report published on Friday, the Norwegian Police Security Service said the hacking group, believed to be working for the Chinese government, targeted vulnerable network devices to conduct espionage. Norway is the latest country ...

  • Novel Technique to Detect Cloud Threat Actor Operations

    February 6, 2026

    Cloud-based alerting systems often struggle to distinguish between normal cloud activity and targeted malicious operations by known threat actors. The difficulty doesn’t lie in an inability to identify complex alerting operations across thousands of cloud resources or in a failure to follow identity resources, the problem lies in the accurate detection of known persistent threat actor ...