
Latest perspective · September 28, 2026
NetScaler zero-days require incident triage
Two exploited NetScaler flaws allow unauthenticated remote code execution. Patch the appliance, preserve evidence, and investigate connected systems.
CulperSec perspectives
Practical analysis for teams making decisions about security, resilience, risk, and compliance.

Latest perspective · September 28, 2026
Two exploited NetScaler flaws allow unauthenticated remote code execution. Patch the appliance, preserve evidence, and investigate connected systems.
The archive
Threat analysis, practical guidance, and lessons from the work of protecting modern organizations.

September 21, 2026 · 9 min read
CISA's cyber decoy guidance can improve detection, but only when every tripwire has clear ownership, isolation, monitoring, and response steps.
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September 8, 2026 · 6 min read
See how Meridian ARES validates exploitable attack paths, preserves evidence, and connects authorized penetration testing to remediation and retesting.
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September 7, 2026 · 9 min read
A BGP hijack redirected Virtualizor update traffic and delivered malware to hypervisors. Operators need evidence, credential rotation, and clean rebuilds.
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September 2, 2026 · 8 min read
PaperCut Release 3 closes an exploited RCE chain, but exposed servers still need evidence preservation, hunting, and rebuild decisions.
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September 2, 2026 · 9 min read
CVE-2026-73570 is under active exploitation. Zimbra teams need to identify the vulnerable configuration, upgrade, and investigate for compromise.
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July 20, 2026 · 8 min read
How SMA1000 owners should patch CVE-2026-15409 and CVE-2026-15410, then verify the appliance was not used for internal access.
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