Lifecycle Resources
Reference material, sourced. Not a blog.
Dates are on the vendor pages. This is everything else. Terminology decoder, compliance impact, post-EoL security exposure. Content you'd otherwise assemble from a dozen vendor PDFs and regulatory texts.
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Vendor Lifecycle Terminology
What each vendor calls each milestone. Cisco's End of Software Maintenance is not Juniper's End of Software Engineering is not HPE Aruba's End of Software Support. Cross-reference with citations.
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Compliance and Insurance Impact
What PCI-DSS 6.3.3, HIPAA 164.308, and NIST SP 800-53 SA-22 actually say about unsupported systems. Plus how cyber-insurance underwriters treat EoL hardware. Clause-level citations.
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Post-EoL Security Exposure
Devices past their security-support date that are named in CISA's Known Exploited Vulnerabilities catalog. Per-vendor totals, specific SKUs, CVE-level drill-in on each product page.