Automating Zero Trust in Healthcare: From Risk Scoring to Dynamic Policy Enforcement Without Network...
The Evolving Healthcare Cybersecurity Landscape
Healthcare organizations face unprecedented cybersecurity challenges in 2025. With operational technology (OT) environments increasingly targeted and the convergence of IT and medical systems creating...
ToyMaker Uses LAGTOY to Sell Access to CACTUS Ransomware Gangs for Double Extortion
Apr 26, 2025Ravie LakshmananMalware / Vulnerability
Cybersecurity researchers have detailed the activities of an initial access broker (IAB) dubbed ToyMaker that has been observed handing over access to double extortion...
⚡ Weekly Recap: Critical SAP Exploit, AI-Powered Phishing, Major Breaches, New CVEs & More
Apr 28, 2025Ravie LakshmananCybersecurity / Hacking News
What happens when cybercriminals no longer need deep skills to breach your defenses? Today's attackers are armed with powerful tools that do the...
SentinelOne Uncovers Chinese Espionage Campaign Targeting Its Infrastructure and Clients
Cybersecurity company SentinelOne has revealed that a China-nexus threat cluster dubbed PurpleHaze conducted reconnaissance attempts against its infrastructure and some of its high-value customers.
"We first became aware of this...
RansomHub Went Dark April 1; Affiliates Fled to Qilin, DragonForce Claimed Control
Cybersecurity researchers have revealed that RansomHub's online infrastructure has "inexplicably" gone offline as of April 1, 2025, prompting concerns among affiliates of the ransomware-as-a-service (RaaS) operation.
Singaporean cybersecurity company Group-IB...
Nebulous Mantis Targets NATO-Linked Entities with Multi-Stage Malware Attacks
Cybersecurity researchers have shed light on a Russian-speaking cyber espionage group called Nebulous Mantis that has deployed a remote access trojan called RomCom RAT since mid-2022.
RomCom "employs advanced evasion...
U.S. Charges Yemeni Hacker Behind Black Kingdom Ransomware Targeting 1,500 Systems
The U.S. Department of Justice (DoJ) on Thursday announced charges against a 36-year-old Yemeni national for allegedly deploying the Black Kingdom ransomware against global targets, including businesses, schools, and...
Hackers Abuse Russian Bulletproof Host Proton66 for Global Attacks and Malware Delivery
Apr 21, 2025Ravie LakshmananVulnerability / Threat Intelligence
Cybersecurity researchers have disclosed a surge in "mass scanning, credential brute-forcing, and exploitation attempts" originating from IP addresses associated with a Russian bulletproof...
From Third-Party Vendors to U.S. Tariffs: The New Cyber Risks Facing Supply Chains
Introduction
Cyber threats targeting supply chains have become a growing concern for businesses across industries. As companies continue to expand their reliance on third-party vendors, cloud-based services, and global logistics...
ResolverRAT Campaign Targets Healthcare, Pharma via Phishing and DLL Side-Loading
Cybersecurity researchers have discovered a new, sophisticated remote access trojan called ResolverRAT that has been observed in attacks targeting healthcare and pharmaceutical sectors.
"The threat actor leverages fear-based lures delivered...
