Vendor security reviews · Commerce & industry
Vendor Security Review & Questionnaire Support for Hospitality & Hotels
A vendor security review tells a hotel operator which of the PMS, channel manager, payment, POS and door-lock providers running the property actually deserve the trust placed in them. The trigger is usually blunt: a cloud PMS migration, a franchisor mandate, an acquirer's PCI letter, or a vendor breach headline like Otelier that names a platform your own reservations flow through. We assess the stack a property cannot operate without and tell you what to fix, accept or replace.
Reviewed by the Privacy Horizon team · Last reviewed
What you're protecting
The hotel technology stack a vendor review has to cover
A single property leans on more outside vendors than almost any other small business, and each one touches a different slice of guest, payment or staff data.
PMS and CRS at the centre
Oracle OPERA Cloud, Maestro, RoomKeyPMS, Cloudbeds, Mews or Infor HMS hold every guest profile, folio and card-on-file record the property generates, so the review starts with where that data lives, who can reach it, and how long it stays after a guest checks out.
Channel managers and OTA extranet accounts
SiteMinder and PMS-native connections push rates and availability to Booking.com and Expedia Partner Central, and the extranet login itself is a target, so the review examines credential controls and account recovery on the OTA side as closely as the software.
Payment and POS providers across three lanes
Moneris, Global Payments, Elavon or Shift4/FreedomPay process the front desk, while MICROS Simphony, Squirrel Systems, Silverware or Lightspeed run food and beverage; each processor and terminal vendor carries its own PCI scope and needs its own evidence trail.
Door-lock and key-encoder vendors
dormakaba Saflok, ASSA ABLOY VingCard and Salto encode and audit every room key on the property, and a lock vendor's firmware and encoder practices are now a legitimate security question, not a maintenance one, after research showed forged cards opening doors at scale.
Back-office, revenue and guest-CRM platforms
Otelier, M3, IDeaS or Duetto for revenue management, and Revinate or Cendyn for guest marketing, sit downstream of the PMS and aggregate data across properties, which is exactly the layer where one vendor compromise can expose reservations for an entire portfolio at once.
Regulatory map
Why outsourcing the system never outsources the duty
Hotels hand guest data to more processors than most small businesses ever will, and Canadian privacy and payment rules still hold the property accountable for what those processors do with it.
PIPEDA accountability follows the data
A hotel stays responsible for personal information it transfers to a PMS, channel manager or CRM provider, and must arrange comparable protection through contract terms and ongoing oversight, which is exactly what a documented vendor review evidences.
Law 25 assessments for a US-hosted stack
Most PMS, CRS and back-office platforms run on US cloud infrastructure, so a Quebec property adopting or renewing one needs a privacy impact assessment for that out-of-province communication before the data starts flowing, not after.
PCI DSS scope that follows every processor
Moneris, Global Payments and similar acquirers expect evidence that every card-handling vendor in the chain, from the front-desk terminal to the booking engine, meets PCI DSS v4.0.1, and the SAQ A changes affecting online booking pages put fresh scrutiny on the reservation vendor specifically.
The ASRGA guest-register duty stays yours
Where the statutory guest register is captured or stored inside the PMS rather than on paper, the property remains accountable for six-year retention and for answering police production orders correctly, whatever the vendor's own retention defaults happen to be.
What goes wrong
What a vendor review is meant to catch before it becomes an incident
The hospitality incidents that make headlines almost never start inside the hotel. They start at a vendor the property trusted without ever checking.
A back-office platform breached upstream
The Otelier incident showed how credentials stolen from one hospitality back-office vendor gave attackers access to reservation data for properties under several major flags at once, none of whom had reviewed that provider's own security practices.
A reservation database nobody kept assessing
The OPC's Marriott/Starwood finding described years of undetected access to a reservation system inherited through acquisition, with monitoring, access-control and retention failures that a periodic vendor review is designed to surface early.
A lock vendor's flaw becoming a premises risk
The Unsaflok research showed forged keycards opening a widely deployed lock line across thousands of properties, with most locks still vulnerable at disclosure, which makes a lock vendor's patch cadence and firmware practices a legitimate review item, not a facilities footnote.
An OTA account with no vendor-side hardening
Campaigns impersonating Booking.com use fake verification pages to steal front-desk credentials, and once inside the extranet the attacker messages the hotel's own guests; reviewing how that relationship is secured, not just the PMS, closes a gap most operators never think to check.
Our vendor security reviews for hospitality & hotels
What the review delivers for a property or portfolio
The engagement follows the same discipline used for any regulated vendor program, sized to a hotel's actual footprint rather than an enterprise template.

Full vendor inventory across the property
A single list covering PMS, CRS, channel manager, POS, payment processors, door locks, revenue management and guest CRM, built from contracts, interface documentation and a short interview with the GM or DOSM, which usually surfaces integrations nobody remembered approving.
Risk tiering by data and dependency
Vendors are ranked by what they hold and how badly the property would suffer if they failed: the PMS and payment processors sit in the deep-review tier, while a spa-booking tool or Wi-Fi analytics platform gets a lighter pass.
Questionnaires and evidence review for the top tier
Structured questions go to the PMS, channel manager, back-office and lock vendors, covering data location, breach notification, encryption and sub-processor use, with answers checked against actual certifications rather than marketing claims.
Contract and management-agreement gap analysis
Data-location commitments, breach-notice timelines, retention and deletion terms are compared against what the PMS, channel manager and brand agreements actually say, with recommended language for the next renewal or franchise negotiation.
A review cadence tied to your migration calendar
Because a PMS or channel-manager change resets the vendor risk picture, the review builds a re-assessment trigger into every migration and franchise-flag change, not just an annual date on a calendar.
How the engagement runs
How the review runs across a property or portfolio
The work is scoped around occupancy and the shoulder-season calendar that hospitality projects actually follow.
Step 1
Map the property's real vendor stack
We inventory the PMS, CRS, channel manager, payment processors, lock system and back-office tools in use, including ones added by a regional manager or MSP without head office's sign-off.
Step 2
Tier vendors and send questionnaires
Priority providers, typically the PMS, channel manager, back-office platform and lock vendor, receive tailored questions, while lower-risk tools are checked against published security documentation.
Step 3
Deliver findings with a decision attached
Each vendor gets a verdict: acceptable, acceptable with contract fixes, needs compensating controls, or replace, with the reasoning written in terms the GM or ownership group can act on.
Step 4
Leave a repeatable process behind
We hand over questionnaire templates, the tiering method and a pre-adoption checklist, so the next PMS demo or lock upgrade gets vetted before signature rather than after an incident.
What it costs
What drives vendor-review pricing for a hotel
Cost tracks the size of the vendor list and how many providers fall into the top sensitivity tier requiring full questionnaires and evidence review. A single independent reviewing its PMS, payment processor and lock vendor is a smaller engagement than a management company cataloguing the stack across a dozen flagged properties.
How organized your contracts and interface documentation are also matters, since reconstructing the vendor list from invoices and MSP tickets takes longer than working from a current inventory. We scope a fixed fee once we see the property list and systems in use, and the review can also run on an ongoing basis inside a Virtual Privacy Office retainer.
Hospitality & Hotels: Vendor security reviews questions, answered
Ask where your reservation data is stored and by whom, since Otelier showed that a breach two steps removed from the property can still expose your guests' records. Get written answers on access-control practices for the vendor's own staff, credential rotation, monitoring for the kind of infostealer-driven compromise that hit Otelier, and how quickly you would be notified if your property's data were among the records taken. A vague answer on any of these is itself the finding.
The same tier as your PMS, even though they rarely get that attention. Revenue management, back-office accounting and payroll platforms hold reservation history, banking details and employee records, and most operators never send them a questionnaire because they were bought by finance rather than IT. The review brings these providers into the same evidence-based assessment as the guest-facing systems, since a breach there is just as reportable.
Ask which firmware version is deployed across your doors, whether it addresses the disclosed vulnerability, and what the vendor's patch and re-encoding process actually requires of your property, since some fixes need every keycard and encoder touched. Also ask how master-key and staff-key events are logged, who can pull that audit trail, and what the vendor's own breach-notification commitment looks like. Door hardware belongs in the same review as software now.
You cannot audit a global OTA the way you would a contracted PMS vendor, and the review does not pretend otherwise. What it covers is your side of the extranet relationship: who holds the login, whether it has unique credentials and multi-factor authentication, how staff turnover is handled, and how quickly a compromised account gets locked down. Most of the extranet risk this niche actually experiences lives in that controllable layer, not inside the OTA's own infrastructure.
It resets the whole picture. A move to a new PMS or the addition of a channel manager changes where guest and card data physically lives, which interfaces such as OXI or HTNG now touch it, and which existing vendor contracts still apply. Scheduling the review to run alongside the migration, rather than a year later, means data-location and retention terms get fixed before the first reservation flows through the new system.
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