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Encyclopedia entry

Use of Force (Private Security Standard)

The general reasonable-force standard that governs a private security officer, distinct from any police use-of-force policy.

Private security officers in California are held to the same general reasonable-force standard as any private citizen acting in self-defense or completing a lawful citizen's arrest under Penal Code 837 — there is no separate statute granting security officers an expanded use-of-force authority.

Force must be objectively reasonable, proportional to the threat, and the minimum necessary; BSIS-mandated training covers this standard, but the underlying legal rule comes from statute and case law rather than an agency-created force scale specific to guards.

De-escalation — verbal engagement, maintaining distance, and calling police — is emphasized in training precisely because the legal margin for physical force by a private security officer is narrow.

Related entries

Citizen's Arrest (Private Person's Arrest)The narrow authority under California Penal Code 837 for any private person, including a security officer, to detain someone for certain offenses.De-EscalationVerbal and positional techniques used to calm a tense situation and avoid the need for physical intervention.Officer Training (BSIS-Mandated)The pre-assignment and ongoing training hours BSIS requires for registered security guards.

Official sources

  1. [1]Cal. Penal Code § 835a — Use of ForceCalifornia Legislative Information
  2. [2]BSIS Power to Arrest TrainingBSIS

Links point to the publishing agency or the California Legislative Information text. Government pages are reorganized periodically — if a link moves, search the code section or agency name at the official site.

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General industry and regulatory usage — not legal advice, and not an endorsement by BSIS, the Department of Consumer Affairs, or any law-enforcement agency. Statutes, regulations, and local ordinances change; verify current text at the official government source or with your attorney.

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