External Liaison & Public-Private Partnerships

Key Takeaways

  • Effective liaison with external agencies must be built before an incident occurs, through recurring meetings, joint training, and site familiarization — not for the first time during a crisis.
  • Formal liaison protocols designate a single point of contact, communication/escalation triggers, information-sharing boundaries, and after-action review procedures.
  • InfraGard is an FBI-sponsored public-private partnership sharing threat intelligence with private-sector critical-infrastructure owners and operators.
  • The Overseas Security Advisory Council (OSAC), sponsored by the U.S. Department of State, exchanges security information with U.S. private-sector organizations operating abroad.
  • Information Sharing and Analysis Centers (ISACs) provide sector-specific threat and vulnerability sharing, coordinated through the National Council of ISACs.
Last updated: July 2026

The Role of External Agencies

No security program operates in isolation. A CPP-level security manager must build and sustain relationships with external agencies whose roles complement internal security functions, so that resources and information flow quickly when they are needed most.

Categories of External Agencies

Agency TypeTypical Role
Local police or sheriffCriminal response, investigation jurisdiction, patrol support near the facility
Fire and Emergency Medical ServicesLife-safety response, hazmat response, medical emergencies
Federal law enforcement (FBI, Secret Service, DHS/CISA)Terrorism, cybercrime, critical-infrastructure threats, and national-security matters
State and regional fusion centersAggregated threat intelligence sharing between government and the private sector
Public health authoritiesGuidance during disease outbreaks or biological incidents
Embassies and consulatesTraveler safety, evacuation assistance, and local liaison for personnel abroad

Each agency has a defined jurisdiction and mandate. Part of the CPP's job is understanding which agency owns which type of response, so the organization calls the right resource at the right time and does not duplicate or obstruct an agency's statutory role.

Building Effective Working Relationships

The exam consistently tests one core principle: liaison relationships must be built before an incident, not during one. A security manager who meets the local police commander for the first time in the middle of an active crisis has already lost valuable response time and trust. Effective liaison is built through several ongoing practices:

  • Scheduled, recurring meetings with agency counterparts, not just annual courtesy calls.
  • Joint training and tabletop or full-scale exercises, so both sides understand the other's capabilities and terminology before a real event.
  • Site familiarization visits, inviting responders to tour the facility, review floor plans, and pre-identify staging areas and access points.
  • Two-way information sharing, including notifying agencies of relevant internal incidents even when law-enforcement involvement is not requested.

Liaison Protocols

Formal liaison protocols typically designate four elements:

  1. A single point of contact, or small team, authorized to communicate with each external agency, preventing conflicting or unauthorized statements.
  2. Communication channels and escalation triggers — which incidents automatically notify which agency, and by what method.
  3. Information-sharing boundaries — what proprietary, personnel, or security-system information may or may not be disclosed, and under what legal authority, such as a subpoena versus voluntary cooperation.
  4. After-action review procedures, so lessons from any joint response are captured and liaison protocols are updated accordingly.

Public-Private Partnerships

Beyond one-to-one agency liaison, CPPs participate in structured public-private partnerships that pool threat information and resources across many organizations simultaneously:

ProgramSponsorPurpose
InfraGardFBIInformation sharing between the Bureau and private-sector critical-infrastructure owners and operators
Overseas Security Advisory CouncilU.S. Department of StateSecurity information exchange for U.S. private-sector organizations operating abroad
Information Sharing and Analysis CentersSector-specific, coordinated through the National Council of ISACsSector-level threat and vulnerability sharing, e.g. financial services, retail, healthcare
Fusion centersState and local government, with DHS supportRegional all-source intelligence sharing between government and private-sector partners
Community Emergency Response TeamFEMA and local emergency managementTrains volunteers, including private-sector employees, in basic disaster response

Membership in these programs gives a security organization earlier warning of emerging threats, a forum to report suspicious activity without immediately triggering a law-enforcement response, and a pre-built network to draw on during a large-scale incident. For a CPP, sustained participation, not one-time enrollment, is what converts a partnership into an operational advantage.

Additional Local and National Partnerships

Beyond the federally sponsored programs above, security managers routinely build liaison through local structures that are easy to overlook but produce steady operational value: local ASIS International chapter meetings, chamber-of-commerce security or loss-prevention councils, neighborhood or business-improvement-district watch groups, and mutual-aid agreements or memoranda of understanding (MOUs) with nearby organizations for shared resources during a large-scale incident. At the national level, sector-specific coordinating councils established under the National Infrastructure Protection Plan connect private-sector critical-infrastructure owners with the government agencies responsible for their sector, complementing the ISAC structure described above with a policy-level liaison channel.

International Liaison Considerations

Organizations with personnel or assets outside their home country face an added liaison layer: host-nation police and security services, the traveler's or expatriate's home-country embassy or consulate, and in some regions private intelligence or crisis-response providers retained specifically for country-level liaison. Protocols for international liaison must account for differing legal systems, language and cultural norms, and the possibility that local law enforcement capacity or trustworthiness varies significantly by country — a factor that directly informs the travel-security and duty-of-care planning covered in Chapter 4.

Integrating Liaison into the Security Program

Local and national public-private partnerships should be formally referenced in the organization's emergency and crisis plans, not treated as informal side relationships. When liaison contacts, escalation protocols, and partnership memberships are documented and rehearsed alongside the plans covered in Chapter 7, the organization gains a measurable reduction in response time and a broader base of situational awareness than internal security resources could produce alone.

Test Your Knowledge

Which public-private partnership program, sponsored by the FBI, shares threat intelligence between the Bureau and private-sector critical-infrastructure security professionals?

A
B
C
D
Test Your Knowledge

Effective liaison with external law-enforcement and emergency-response agencies is best built by:

A
B
C
D