Published 22 Mar 2026
Most server compromises are not sophisticated. They exploit an unpatched package, an exposed service or a weak credential — all of which are preventable with disciplined basics.
Start with access. Disable password authentication for SSH in favour of keys, remove direct root login, and give each administrator their own account so actions are attributable. Close every port that does not need to be open, and put the firewall in a default-deny posture.
Keep the system current. Security updates should be scheduled, not remembered. Certificates should renew automatically, and expiry should be monitored so an outage never comes from a lapsed certificate.
Finally, assume something will eventually go wrong. Automated backups are only useful if a restore has actually been tested, and monitoring is only useful if somebody receives and acts on the alert.
None of this requires a security certification. It requires a consistent operating routine, which is exactly what a managed service is for.
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