The AlphaServer 2100 is a DEC server model from the Alpha family, remembered today mainly as a legacy platform and a retrocomputing machine. In a homelab, it may be kept running for preservation, experimentation, or systems-history work rather than for modern production use.
For cybersecurity, older servers like the AlphaServer 2100 matter because legacy hardware often depends on outdated operating systems, old firmware, and narrow support options. That can create risk if the system is exposed to networks or mixed with newer infrastructure. Attackers may target similar legacy platforms when they have weak access controls, unpatched software, or forgotten services. Defenders reduce that risk by isolating the machine, limiting remote access, documenting its configuration, and treating it as a controlled environment rather than a general-purpose server.