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VU
CRITICAL
Vulnerabilities

Cisco Secure Workload RCE via CVE-2025-20165 — Mitigation Guide

Cisco patches a critical 9.8 CVSS vulnerability in Secure Workload REST APIs that allows unauthenticated attackers to gain Site Admin privileges.

Runtime Rebel Intel
3 min read·May 21, 2026
TH
INFO
Threat Intel

Flipper One: The Evolution of Linux-Based Hardware Pentesting Tools

Flipper Devices announces the Flipper One, an open Linux platform. Analyze the security implications and defensive requirements for this modular hacking tool.

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

Police Seize First VPN Service Linked to Global Ransomware Attacks

International law enforcement dismantles First VPN, a bulletproof service used by threat actors for ransomware deployment and anonymous data exfiltration.

Runtime Rebel Intel
3 min read·May 21, 2026
Securing Identity Attack Paths: Protecting Cached AWS Credentials
HIGH
Identity & Access

Securing Identity Attack Paths: Protecting Cached AWS Credentials

Attackers exploit cached AWS access keys to achieve lateral movement. Learn how identity-based attack paths expose 98% of cloud entities and how to defend.

Runtime Rebel Intel
3 min read·May 21, 2026
Microsoft Defender CVE-2026-41091 Privilege Escalation Exploited
HIGH
Vulnerabilities

Microsoft Defender CVE-2026-41091 Privilege Escalation Exploited

Microsoft warns of active exploitation of CVE-2026-41091 in Defender, a privilege escalation flaw allowing attackers to gain SYSTEM privileges on Windows.

Runtime Rebel Intel
3 min read·May 21, 2026
MA
MEDIUM
Malware

Malicious PDF Structure Analysis and Obfuscation Detection

Learn how to detect malicious PDF obfuscation and analyze internal structures like /OpenAction and /JS streams to identify hidden malware payloads.

Runtime Rebel Intel
3 min read·May 21, 2026
ID
HIGH
Identity & Access

Protecting Identities from Infostealers: Session Hijacking Mitigation

Learn how infostealers like Lumma bypass MFA via session token theft and discover technical strategies for implementing device-bound authentication.

Runtime Rebel Intel
4 min read·May 21, 2026
VU
HIGH
Vulnerabilities

CISA KEV Update: New Microsoft Defender and Legacy Flaws Exploited

CISA adds seven vulnerabilities, including CVE-2026-41091 and CVE-2026-45498, to the Known Exploited Vulnerabilities catalog. Patch now to prevent compromise.

Runtime Rebel Intel
3 min read·May 21, 2026
GitHub Data Breach: Analysis of TeamPCP Internal Repository Theft
HIGH
Data Breach

GitHub Data Breach: Analysis of TeamPCP Internal Repository Theft

GitHub confirms the theft of 4,000 internal repositories by threat actor TeamPCP. Learn the technical implications and defense strategies for security teams.

Runtime Rebel Intel
3 min read·May 21, 2026
SU
HIGH
Supply Chain

Software Supply Chain Security: Addressing Visibility Gaps

An analysis of the growing software supply chain crisis, focusing on the acceleration of vulnerability exploitation and the lack of systemic visibility.

Runtime Rebel Intel
3 min read·May 21, 2026
SU
HIGH
Supply Chain

GitHub Repository Breach Linked to TanStack Supply Chain Attack

GitHub confirms the breach of 3,800 internal repositories via a compromised VS Code extension linked to the TanStack npm supply chain attack.

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

CVE-2024-21338: Microsoft Defender Zero-Day Exploited by Lazarus

Microsoft patches two zero-day vulnerabilities in Defender and SmartScreen exploited by Lazarus Group for privilege escalation and malware delivery.

Runtime Rebel Intel
4 min read·May 21, 2026