CISA Warns of Zimbra, SharePoint Flaw Exploits; Cisco Zero-Day Hit in Ransomware Attacks

The U.S. Cybersecurity and Infrastructure Security Agency CISA has urged government agencies to apply patches for two security flaws impacting Synacor Zimbra Collaboration Suite ZCS and Microsoft Office SharePoint, stating they have been actively exploited in the wild. The vulnerabilities in...

Interlock Ransomware Exploits Cisco FMC Zero-Day CVE-2026-20131 for Root Access

Amazon Threat Intelligence is warning of an active Interlock ransomware campaign that's exploiting a recently disclosed critical security flaw in Cisco Secure Firewall Management Center FMC Software. The vulnerability in question is CVE-2026-20131 CVSS score: 10.0, a case of insecure...

CrashFix Chrome Extension Delivers ModeloRAT Using ClickFix-Style Browser Crash Lures

Cybersecurity researchers have disclosed details of an ongoing campaign dubbed KongTuke that used a malicious Google Chrome extension masquerading as an ad blocker to deliberately crash the web browser and trick victims into running arbitrary commands using ClickFix-like lures to deliver a...

Interlock Ransomware Group Leaks 43GB of Data in City of St. Paul Cyberattack

St. Paul hit by Interlock ransomware attack, 43GB of sensitive data leaked, city refuses ransom, launches Operation Secure…...

CISA Recommends Segmentation & Zero Trust to Combat Interlock Ransomware

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FBI and CISA Warn of Interlock Ransomware Targeting Critical Infrastructure

FBI warns of Interlock ransomware using unique tactics to hit businesses and critical infrastructure with double extortion...

Joint Advisory Issued on Protecting Against Interlock Ransomware

CISA, in partnership with the Federal Bureau of Investigation FBI, the Department of Health and Human Services, and the Multi-State Information Sharing and Analysis Center issued a joint Cybersecurity Advisory to help protect businesses and critical infrastructure organizations in North America a...

Interlock Ransomware Deploys New NodeSnake RAT in UK Attacks

Quorum Cyber identifies two new NodeSnake RAT variants, strongly attributed to Interlock ransomware, impacting UK higher education and local government...

Interlock Ransomware Say It Stole 20TB of DaVita Healthcare Data

Interlock ransomware group claims it stole 20TB of sensitive patient data from DaVita Healthcare. While the group has…...

How Interlock Ransomware Infects Healthcare Organizations

Ransomware attacks have reached an unprecedented scale in the healthcare sector, exposing vulnerabilities that put millions at risk. Recently, UnitedHealth revealed that 190 million Americans had their personal and healthcare data stolen during the Change Healthcare ransomware attack, a figure th...

Unwrapping the emerging Interlock ransomware attack

Cisco Talos Incident Response Talos IR recently observed an attacker conducting big-game hunting and double extortion attacks using the relatively new Interlock ransomware. Our analysis uncovered that the attacker used multiple components in the delivery chain including a Remote Access Tool RAT...