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121–130 of 350 articles
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Bleeping Computer
A new ransomware operation named 'Prinz Eugen' prioritizes recently modified files for encryption and leaves no ransom note on the system. [...]
The Hacker News
An unknown threat actor has been observed using a large language model (LLM) agent to conduct post-compromise actions after obtaining initial access following the exploitation of a publicly-accessible Marimo network using a recently disclosed vulnerability. "The attacker compromised an internet-reachable Marimo notebook via CVE-2026-39987, extracted two cloud credentials from the compromised
Dark Reading
In this latest installment of the Reporters' Notebook video series, we discuss how cyber insurance is forcing organizations to quantify risk, what's covered (and what's not), and why this could be the best thing to happen to cybersecurity.
Dark Reading
In this latest installment of the Reporters' Notebook video series, we discuss how the new AI model threatens to completely upend cybersecurity, and what industry leaders are telling the press.
Dark Reading
A cautionary tale illustrates why the person negotiating should never be involved with any part of the ransom payment process, experts noted.
Dark Reading
Stolen OAuth tokens, which are at the root of these breaches, "are the new attack surface, the new lateral movement," a researcher noted.
Bleeping Computer
Hackers are exploiting a critical vulnerability in Marimo reactive Python notebook to deploy a new variant of NKAbuse malware hosted on Hugging Face Spaces. [...]
The Hacker News
A "novel" social engineering campaign has been observed abusing Obsidian, a cross-platform note-taking application, as an initial access vector to distribute a previously undocumented Windows remote access trojan called PHANTOMPULSE in attacks targeting individuals in the financial and cryptocurrency sectors. Dubbed REF6598 by Elastic Security Labs, the activity has been found to leverage
The Hacker News
A critical security vulnerability in Marimo, an open-source Python notebook for data science and analysis, has been exploited within 10 hours of public disclosure, according to findings from Sysdig. The vulnerability in question is CVE-2026-39987 (CVSS score: 9.3), a pre-authenticated remote code execution vulnerability impacting all versions of Marimo prior to and including
Dark Reading
Technology Talk: That forgotten notebook holds plenty of secrets to enterprise access.