Article Summary: Preparation Kills Panic: When Third-Party Incidents Hijack the Playbook
Third-party incidents can quickly create cross-functional confusion when roles, communications, and vendor dependencies aren’t pre-mapped. The article explains why incident response must extend to third-parties and highlights proactive assessments and integrated testing as the link between TPRM and incident response.
- Proactive Assessments: Confirm third-parties have adequate processes and controls before an incident occurs to support timely identification and reporting.
- Integrated Testing: Build third-party data, contact trees, contingencies, and Tabletop Exercises featuring third-party failure scenarios into your incident response plan.
- Roles & communication: Pre-established roles and third-party communication trees help turn chaos into a well-rehearsed fire drill.
Picture this – you receive an incident alert from one of your third-parties that sets off a cyber domino effect.
Suddenly, it feels less like calling out practiced game plays and more like being thrown into overtime with no game plan, players swapping positions, the scoreboard flickering, and the coach punting his playbook into the bleachers.
Legal is drafting statements with one hand, while Googling breach laws with the other. Marketing pleads for silence while the CEO demands immediate press release. IT is pulling 18-hour shifts, running diagnostics on third-party systems they have never seen before. Someone even suggests, “Let’s check LinkedIn and see if the third-party’s CISO is online.”
Every team is reacting, strategizing, and occasionally panicking – urgently messaging: Who is the main third-party contact? Do they have a response plan? Can we shut them off without breaking our systems and halting operations?
The Evolving Shadow of Third-Party Risk
Incident response is not a new concept, but the frequency of incidents continues to increase, and the reach of incidents continues to broaden. One of the main drivers of increased incident frequency is the sharp increase in the number of third parties that companies rely on now. This significantly broadens exposure and opportunities for incidents that impact your business and operations.
The data backs this up. According to recent TPRM industry statistics:
- 98% of organizations have a relationship with a third party that has been breached.
- Over 36% of all breaches in 2025 were third-party related (which is likely conservative due to underreporting and misclassification).
In this environment, strong preventative controls are no longer a “get out of jail free” card. Incidents are inevitable. To survive them, your incident response plan must extend beyond your own walls to include your third-parties.
Bridging the Gap: TPRM and Incident Response
To calm the chaos, organizations must bridge the gap between their TPRM program and incident response plan(s). Two components are imperative to create this connection:
- Proactive Assessments: ensure your third-parties have adequate processes and controls in place, before an incident occurs. This gives your company some comfort that when incidents do occur at your third-parties, that they will be identified and reported to you timely.
- Integrated Testing: Your incident response plan must include third-party data, contact trees, and contingencies. Furthermore, your Tabletop Exercises should specifically feature third-party failure scenarios. This ensures that when the inevitable occurs, the business has all third-party vendor information readily accessible, and a detailed plan is ready to be executed.
From Reaction to Resilience
Preparation kills panic. Having pre-established roles, third-party communication trees, and simulation exercises turn chaos into a well-rehearsed fire drill.
If you have questions or need help assessing or facilitating your current incident response approach with your third-parties or with enhancing your third-party risk management program, contact our team at [email protected].
About Schneider Downs Third-Party Risk Management
Schneider Downs is a registered assessment firm with the Shared Assessments Group, the clear leader in third-party risk management guidance. Our personnel are experienced in all facets of vendor risk management, and have the credentials necessary (CTPRP, CISA, CISSP, etc.) to achieve meaningful results to help your organization effectively achieve new vendor risk management heights.
Learn more at www.schneiderdowns.com/tprm.
