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#Ransomware

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MA
HIGH
Malware

Kyber Ransomware Targets Windows, ESXi with Post-Quantum Encryption

Kyber ransomware is encrypting Windows and VMware ESXi systems, with one variant leveraging Kyber1024 post-quantum encryption, posing new decryption challenges.

Runtime Rebel Intel
4 min read·Apr 22, 2026
BlackCat Ransomware Negotiator Scheme: Insider Threat Implications
MEDIUM
Threat Intel

BlackCat Ransomware Negotiator Scheme: Insider Threat Implications

A ransomware negotiator's guilty plea in a BlackCat scheme highlights critical insider threat risks and the importance of stringent controls in ransom payment processes.

Runtime Rebel Intel
4 min read·Apr 22, 2026
TH
INFO
Threat Intel

Security Expert Aids BlackCat Ransomware, Exposing IR Risks

A US security expert pleaded guilty to collaborating with the BlackCat ransomware group, leveraging his negotiation role. This highlights critical insider threat risks

Runtime Rebel Intel
5 min read·Apr 21, 2026
SystemBC C2 Analysis: 1,570 Victims of The Gentlemen Ransomware
HIGH
Threat Intel

SystemBC C2 Analysis: 1,570 Victims of The Gentlemen Ransomware

Analysis of a SystemBC C2 server linked to The Gentlemen ransomware reveals over 1,570 victims and the use of SOCKS5 tunnels for persistent access.

Runtime Rebel Intel
3 min read·Apr 21, 2026
TH
HIGH
Threat Intel

Insider Threat: Former Negotiator Pleaded Guilty to BlackCat Attacks

A former cybersecurity negotiator at DigitalMint has pleaded guilty to conducting BlackCat (ALPHV) ransomware attacks against U.S. organizations.

Runtime Rebel Intel
4 min read·Apr 21, 2026
VU
CRITICAL
Vulnerabilities

CVE-2023-46604: Apache ActiveMQ RCE Exploited by HelloKitty - Patch Now

Over 6,400 Apache ActiveMQ servers are exposed to RCE via CVE-2023-46604. Threat actors like HelloKitty are actively exploiting this high-severity flaw.

Runtime Rebel Intel
4 min read·Apr 21, 2026
TH
HIGH
Threat Intel

Beyond Backups: Essential BCDR for Ransomware & Operational Resilience

Learn why traditional data backups are insufficient for business continuity. This analysis highlights the critical role of BCDR in mitigating ransomware and outage

Runtime Rebel Intel
5 min read·Apr 20, 2026
MA
HIGH
Malware

Payouts King Ransomware Deploys QEMU VMs to Evade EDR Solutions

Payouts King ransomware leverages QEMU virtualization and reverse SSH tunnels to bypass endpoint security and encrypt MSSQL servers on corporate networks.

Runtime Rebel Intel
3 min read·Apr 17, 2026
VU
CRITICAL
Vulnerabilities

CVE-2023-46604: Apache ActiveMQ RCE Exploited in the Wild

CISA warns of active exploitation for CVE-2023-46604, a critical RCE flaw in Apache ActiveMQ used by ransomware groups. Update to version 5.18.3 or later.

Runtime Rebel Intel
3 min read·Apr 17, 2026
TH
HIGH
Threat Intel

Germany Ransomware Surge: How SafePay and Qilin Target Mittelstand

Germany sees a 92% surge in data leaks as ransomware actors like SafePay and Qilin pivot toward the Mittelstand and professional services sectors.

Runtime Rebel Intel
4 min read·Apr 16, 2026
Storm-1175: High-Velocity Medusa Ransomware Campaigns
HIGH
Threat Intel

Storm-1175: High-Velocity Medusa Ransomware Campaigns

Runtime Rebel reports on Storm-1175's rapid Medusa ransomware campaigns, exploiting N-day and zero-day vulnerabilities for financial gain.

Runtime Rebel Intel
5 min read·Apr 8, 2026
TH
HIGH
Threat Intel

German Authorities Identify GandCrab and REvil Ransomware Leaders

German and US authorities identify Russian nationals behind GandCrab and REvil ransomware operations, marking a major step in ransomware attribution.

Runtime Rebel Intel
3 min read·Apr 7, 2026