glossary-term: Risk terms

  • August 15, 2025
    Stated risk tolerance is the formally declared risk threshold an organization documents in its policies, risk matrices, and design criteria.…
  • August 15, 2025
    Revealed Risk is the actual risk observed once a system is in operation. It may differ from the originally calculated…
  • May 6, 2025
    Tolerable Risk is the level of risk a company accepts based on regulatory, technical, and economic factors. It’s the goal…
  • May 6, 2025
    Stated Risk is the expected risk based on design-stage analysis—like LOPA or QRA—before real-world operation.
  • May 5, 2025
    A Risk Matrix maps severity and likelihood of events on a grid to support SIL selection or risk decisions.
  • May 5, 2025
    A Risk Graph is a quick method to assign SIL based on severity, exposure, and other factors. Simpler than LOPA…
  • May 5, 2025
    Revealed Risk is the actual risk observed once a system is in operation. It may differ from the originally calculated…
  • May 5, 2025
    A Calibrated Risk Matrix ties severity and likelihood scores to real-world data or corporate criteria to improve risk consistency.
  • April 29, 2025
    ALARP defines the point where additional risk reduction is unjustified due to cost or complexity. Central to safety lifecycle decisions.
  • April 29, 2025
    Acceptable Risk is used interchangeably with Tolerable Risk, though IEC standards prefer "tolerable." See that entry for a complete definition.