Daily Signal - page 16A daily journal at the intersection of AI and cybersecurity. Friday, May 22, 2026 Reaper macOS Malware and Two Microsoft Defender Zero-Days Exploited in the Wild malware · zero-day · microsoft Iranian APT Screening Serpens Uses AppDomainManager Hijacking in 2026 Espionage Campaigns malware · privilege-escalation Megalodon GitHub Attack Injects Malicious CI/CD Workflows into 5,561 Repos supply-chain · github · malware · devsecops BYOVD: Exploiting Vulnerable Windows Kernel Drivers Without Their Target Hardware vulnerability · privilege-escalation Grafana Codebase Stolen via TanStack Supply Chain Attack supply-chain · github · data-breach Thursday, May 21, 2026 Langflow CVE-2025-34291 (CVSS 9.4) Added to CISA KEV Under Active Exploitation cve · vulnerability · llm · ai-safety Cisco Patches CVSS 10.0 Flaw in Secure Workload REST API cve · vulnerability · cloud-security Wednesday, May 20, 2026 Discord Migrates All Users to End-to-End Encryption by Default appsec · iam ← Newer Page 16 of 42 Older →
Reaper macOS Malware and Two Microsoft Defender Zero-Days Exploited in the Wild malware · zero-day · microsoft
Iranian APT Screening Serpens Uses AppDomainManager Hijacking in 2026 Espionage Campaigns malware · privilege-escalation
Megalodon GitHub Attack Injects Malicious CI/CD Workflows into 5,561 Repos supply-chain · github · malware · devsecops
BYOVD: Exploiting Vulnerable Windows Kernel Drivers Without Their Target Hardware vulnerability · privilege-escalation
Langflow CVE-2025-34291 (CVSS 9.4) Added to CISA KEV Under Active Exploitation cve · vulnerability · llm · ai-safety