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The Hacker News

• Lotus Wiper Malware Targets Venezuelan Energy Systems in Destructive Attack April 22, 2026
  Cybersecurity researchers have discovered a previously undocumented data wiper that has been used in attacks targeting Venezuela at the end of last year and the start of 2026. Dubbed Lotus Wiper, the novel file wiper has been used in a destructive campaign targeting the energy and utilities sector in Venezuela, per findings from Kaspersky. "Two […]
• Toxic Combinations: When Cross-App Permissions Stack into Risk April 22, 2026
  On January 31, 2026, researchers disclosed that Moltbook, a social network built for AI agents, had left its database wide open, exposing 35,000 email addresses and 1.5 million agent API tokens across 770,000 active agents. The more worrying part sat inside the private messages. Some of those conversations held plaintext third-party credentials, including OpenAI API […]
• Microsoft Patches Critical ASP.NET Core CVE-2026-40372 Privilege Escalation Bug April 22, 2026
  Microsoft has released out-of-band updates to address a security vulnerability in ASP.NET Core that could allow an attacker to escalate privileges. The vulnerability, tracked as CVE-2026-40372, carries a CVSS score of 9.1 out of 10.0. It's rated Important in severity. An anonymous researcher has been credited with discovering and reporting the flaw. "Improper verification of […]
• Mustang Panda’s New LOTUSLITE Variant Targets India Banks, South Korea Policy Circles April 22, 2026
  Cybersecurity researchers have discovered a new variant of a known malware called LOTUSLITE that's distributed via a theme related to India's banking sector. "The backdoor communicates with a dynamic DNS-based command-and-control server over HTTPS and supports remote shell access, file operations, and session management, indicating a continued espionage-focused capability set rather than
• Cohere AI Terrarium Sandbox Flaw Enables Root Code Execution, Container Escape April 22, 2026
  A critical security vulnerability has been disclosed in a Python-based sandbox called Terrarium that could result in arbitrary code execution. The vulnerability, tracked as CVE-2026-5752, is rated 9.3 on the CVSS scoring system. "Sandbox escape vulnerability in Terrarium allows arbitrary code execution with root privileges on a host process via JavaScript prototype chain traversal," according […]
• SystemBC C2 Server Reveals 1,570+ Victims in The Gentlemen Ransomware Operation April 21, 2026
  Threat actors associated with The Gentlemen ransomware‑as‑a‑service (RaaS) operation have been observed attempting to deploy a known proxy malware called SystemBC. According to new research published by Check Point, the command-and-control (C2 or C&C) server linked to SystemBC has led to the discovery of a botnet of more than 1,570 victims. "SystemBC establishes SOCKS5 network […]
• 22 BRIDGE:BREAK Flaws Expose Thousands of Lantronix and Silex Serial-to-IP Converters April 21, 2026
  Cybersecurity researchers have identified 22 new vulnerabilities in popular models of serial-to-IP converters from Lantronix and Silex that could be exploited to hijack susceptible devices and tamper with data exchanged by them. The vulnerabilities have been collectively codenamed BRIDGE:BREAK by Forescout Research Vedere Labs, which identified nearly 20,000 Serial-to-Ethernet converters exposed
• Ransomware Negotiator Pleads Guilty to Aiding BlackCat Attacks in 2023 April 21, 2026
  A third individual who was employed as a ransomware negotiator has pleaded guilty to conducting ransomware attacks against U.S. companies in 2023. Angelo Martino, 41, of Land O'Lakes, Florida, teamed up with the operators of the BlackCat ransomware starting in April 2023 to assist the e-crime gang in extracting higher amounts as ransoms. "Working as […]
• 5 Places where Mature SOCs Keep MTTR Fast and Others Waste Time April 21, 2026
  Security teams often present MTTR as an internal KPI. Leadership sees it differently: every hour a threat dwells inside the environment is an hour of potential data exfiltration, service disruption, regulatory exposure, and brand damage.  The root cause of slow MTTR is almost never "not enough analysts." It is almost always the same structural problem: […]
• NGate Campaign Targets Brazil, Trojanizes HandyPay to Steal NFC Data and PINs April 21, 2026
  Cybersecurity researchers have discovered a new iteration of an Android malware family called NGate that has been found to abuse a legitimate application called HandyPay instead of NFCGate. "The threat actors took the app, which is used to relay NFC data, and patched it with malicious code that appears to have been AI-generated," ESET security researcher Lukáš Štefanko […]