Most security guidance lives at the extremes: dense technical documentation for IT professionals or scattered generic advice lacking authoritative grounding. hygiene.guide sits in the middle — a clear, structured checklist for everyday people who know they should improve their security but don’t know where to start. Instead of chasing endless threats, it focuses on reducing exposure at the point of contact. Three tiers: Level 1 is free; Levels 2 and 3 cost $3 for higher-risk users.