What is the official website of Amstar DMC ?

The official website of Amstar DMC is https://www.amstardmc.com/.

What is Amstar DMC's cybersecurity risk score?

Amstar DMC has an AI-generated cybersecurity risk score of 762 out of 1000, indicating a Fair security posture according to Rankiteo's assessment.

How many security incidents has Amstar DMC experienced?

According to Rankiteo, Amstar DMC currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.

Has Amstar DMC been affected by any supply chain cyber incidents ?

According to Rankiteo, Amstar DMC has been affected by multiple supply chain cyber incidents. The affected supply chain sources and their corresponding incident IDs are: Klue Inc. (Incident ID: KLUHUNAPP1781864958) foh&boh (Incident ID: NORKFCFOHTACHYA1769001351) foh&boh (Incident ID: FOHNORHYAOMN1769001286) foh&boh (Incident ID: FOHKFCNORHYAOMN1769001235)

Does Amstar DMC have SOC 2 Type 1 certification ?

According to Rankiteo, Amstar DMC is not certified under SOC 2 Type 1.

Does Amstar DMC have SOC 2 Type 2 certification ?

According to Rankiteo, Amstar DMC does not hold a SOC 2 Type 2 certification.

Does Amstar DMC comply with GDPR ?

According to Rankiteo, Amstar DMC is not listed as GDPR compliant.

Does Amstar DMC have PCI DSS certification ?

According to Rankiteo, Amstar DMC does not currently maintain PCI DSS compliance.

Does Amstar DMC comply with HIPAA ?

According to Rankiteo, Amstar DMC is not compliant with HIPAA regulations.

Does Amstar DMC have ISO 27001 certification ?

According to Rankiteo,Amstar DMC is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.

Which industry does Amstar DMC operate in ?

Amstar DMC operates primarily in the Travel Arrangements industry.

How many employees does Amstar DMC have ?

Amstar DMC employs approximately 631 people worldwide.

Does Amstar DMC own any subsidiaries ?

Amstar DMC presently has no subsidiaries across any sectors.

How many LinkedIn followers does Amstar DMC have ?

Amstar DMC's official LinkedIn profile has approximately 14,551 followers.

What is the NAICS classification code for Amstar DMC ?

Amstar DMC is classified under the NAICS code 5615, which corresponds to Travel Arrangement and Reservation Services.

Does Amstar DMC have a Crunchbase profile ?

No, Amstar DMC does not have a profile on Crunchbase.

Does Amstar DMC have a LinkedIn profile ?

Yes, Amstar DMC maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/amstar-dmc.

How many cybersecurity incidents has Amstar DMC experienced ?

As of June 23, 2026, Rankiteo reports that Amstar DMC has experienced 10 cybersecurity incidents.

How many peer or competitor companies does Amstar DMC have ?

Amstar DMC has an estimated 4,989 peer or competitor companies worldwide.

What types of cybersecurity incidents has Amstar DMC faced ?

Incident Types: The types of cybersecurity incidents that have occurred include Ransomware and Breach.

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Amstar DMC

Boost Score +25 with badge (5 left)

762

/1000

Fair

787

/1000

Fair

Amstar DMC Vendor Cyber Rating & Cyber Score

amstardmc.com

Add Your Compliance Badge

Amstar DMC provides world-class destination services to individuals, travel agencies, tour operators, corporations, and meeting planners. From handpicked destination experiences to private VIP itineraries, plus a wide range of transportation options, we deliver the kind of experiences and service needed to create memories for life in some of the world’s most beautiful spots: Mexico, Dominican Republic, Jamaica, Costa Rica, Hawaii, St. Martin, Curaçao, and Aruba.

Amstar DMC A.I CyberSecurity Scoring

Scoring History

Amstar DMC

Amstar DMC CyberSecurity News & History

Past Incidents

Attack Types

Entity

Type

Severity

Impact

Seen

Blog Details

Supply Chain Source

Incident Details

View

Apple Leisure Group

Breach

5/2026

Klue Inc.

KLUHUNAPP178186...

Hyatt

Breach

2/2025

foh&boh

NORKFCFOHTACHYA...

Hyatt

Breach

2/2025

foh&boh

FOHNORHYAOMN176...

HYATT Hotels

Breach

2/2025

foh&boh

FOHKFCNORHYAOMN...

Hyatt

Ransomware

100

1/2025

HYA1768842036

Hyatt

Ransomware

100

6/2021

HYAHIL176944683...

Amstar DMC

Breach

3/2017

HYA456072525

Amstar DMC

Ransomware

1/2016

HYA1348522

Amstar DMC

Breach

8/2015

HYA550072525

Hyatt

Ransomware

100

6/2015

HYA1768948645

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A.I.

Amstar DMC Company Scoring based on AI Models

Cyber Incidents Likelihood 3 - 6 - 9 months

Actual

Prediction

Incident Predictions locked

Access Monitoring Plan

A.I Risk Score Likelihood 3 - 6 - 9 months

Actual

Prediction A

Prediction B

Prediction C

Prediction D

A.I. Risk Score Predictions locked

Access Monitoring Plan

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Underwriter Stats for Amstar DMC

Incidents vs Travel Arrangements Industry Avg (This Year)

No incidents recorded for Amstar DMC in 2026.

Incidents vs All-Companies Average (This Year)

No incidents recorded for Amstar DMC in 2026.

Incident Types Amstar DMC vs Travel Arrangements Industry Avg (This Year)

No incidents recorded for Amstar DMC in 2026.

Incident History - Amstar DMC (X = Date, Y = Severity)

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SUBSIDIARY

Amstar DMC Subsidiaries

Amstar DMC

Travel Arrangements

Website: https://www.amstardmc.com/

Company Size: 631

Hyatt Hotels CorporationHospitality

Grand HyattHospitality

Grand Hyatt IstanbulOtelcilik

Park HyattHospitality

Park Hyatt Istanbul - Maçka PalasOtelcilik

Alila HotelsHospitality

Hyatt PlaceHospitality

Hyatt RegencyHospitality

Hyatt Regency KathmanduHospitality

Hyatt Regency London – The ChurchillHospitality

Hyatt Regency Istanbul AtaköyOtelcilik

Hyatt Regency BelgradeHospitality

Hyatt Regency St. Louis at The ArchHospitality

Hyatt Regency New BrunswickHospitality

Hyatt Regency San AntonioHospitality

Hyatt Regency EkaterinburgГостиничное дело

AMResortsTravel Arrangements

ANdAZHospitality

Destination by HyattHospitality

HYATT HotelsHospitality

Hyatt Regency IndianapolisHospitality

Apple Leisure GroupHospitality

Apple VacationsTravel Arrangements

Travel ImpressionsLeisure, Travel & Tourism

CheapCaribbean.comTravel Arrangements

Hyatt Hotels Development EAMEImmobilien

ALG Vacations®Hospitality

Thompson HotelsHospitality

Hyatt HouseHospitality

Miraval Resorts & SpasHospitality

Miraval Berkshires CareersHospitality

Miraval Austin Resort & SpaHospitality

Miraval Arizona CareersHospitality

JdV by HyattHospitality

Hyatt CentricHospitality

Hyatt Vacation OwnershipHospitality

Unlimited Vacation ClubTravel Arrangements

Hyatt Regency CalgaryHospitality

The Unbound Collection by HyattHospitality

Secrets ResortsHospitality

UrCove by HyattHospitality

Trisept SolutionsIT Services and IT Consulting

VAX VacationAccess by Trisept SolutionsIT Services and IT Consulting

tommie HotelsHospitality

Hyatt ZivaHospitality

Hyatt ZilaraHospitality

Caption by HyattHospitality

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nclhltd.com

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NEWS

Amstar DMC CyberSecurity News

Latest updates, reports, and threat intel affecting the global network.

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CVE

Latest

Global CVEs (Not Company-Specific)

CVE-2026-54236

SUMMARY

vLLM is an inference and serving engine for large language models (LLMs). Prior to 0.23.1rc0, the fix for CVE-2026-22778, which introduced a sanitize_message helper that strips object-repr memory addresses from error messages before they reach the client, is incomplete: several response paths echo str(exc) directly to clients without calling sanitize_message. The unsanitized sites include the Anthropic API router in vllm/entrypoints/anthropic/api_router.py (the POST /v1/messages and POST /v1/messages/count_tokens handlers), the Server-Sent Events streaming converter in vllm/entrypoints/anthropic/serving.py, and the realtime speech-to-text WebSocket in vllm/entrypoints/speech_to_text/realtime/connection.py. These paths catch the exception inside the route coroutine and construct the JSONResponse themselves, bypassing the sanitizing global FastAPI exception handler, and WebSocket frames do not traverse that handler chain at all. Using the same primitive as the parent issue, an unauthenticated attacker can send malformed image bytes through the Anthropic Messages API image content parts so that PIL.Image.open raises an UnidentifiedImageError whose message contains the BytesIO object repr, leaking the heap memory address verbatim in the error.message field of the response body. This vulnerability is fixed in 0.23.1rc0.

Published

Date2026-06-22

Updated

Date2026-06-22

RISK INFORMATION (Score: 5.3)

cvss3

Base Score: 5.3

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Impact Score

1.4

Exploitability

3.9

REFERENCES

CVE-2026-54235

SUMMARY

vLLM is an inference and serving engine for large language models (LLMs). Prior to 0.23.1rc0, ll temperature validation gates use comparison operators (<, >), which silently evaluate to False for NaN and for positive Infinity in Python's IEEE 754 float semantics. Both values pass every guard and propagate to GPU sampling kernels, where they produce undefined behavior or CUDA errors that can crash the inference worker. This vulnerability is fixed in 0.23.1rc0.

Published

Date2026-06-22

Updated

Date2026-06-22

RISK INFORMATION (Score: )

cvss4

Base Score: 6.9

Complexity: LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

Exploitability

REFERENCES

CVE-2026-54233

SUMMARY

vLLM is an inference and serving engine for large language models (LLMs). Prior to 0.23.1rc0, vLLM's /v1/audio/transcriptions endpoint limits compressed upload size but not decoded PCM output. A 25MB OPUS file expands to ~14.9GB of float32 PCM at decode time. This vulnerability is fixed in 0.23.1rc0.

Published

Date2026-06-22

Updated

Date2026-06-22

RISK INFORMATION (Score: 6.5)

cvss3

Base Score: 6.5

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Impact Score

3.6

Exploitability

2.8

REFERENCES

CVE-2026-54232

SUMMARY

vLLM is an inference and serving engine for large language models (LLMs). Prior to 0.22.1, the vLLM Dockerfile is vulnerable to a dependency confusion attack through the flashinfer-jit-cache package. The package is installed from a custom index (flashinfer.ai/whl/) using --extra-index-url, but the package name was not registered on PyPI, and UV_INDEX_STRATEGY="unsafe-best-match" is set globally. An attacker who registers flashinfer-jit-cache on PyPI with version 0.6.11.post2 can execute arbitrary code as root during the Docker build and backdoor every resulting container image, enabling exfiltration of all user prompts, API credentials, and model data from production vLLM deployments This vulnerability is fixed in 0.22.1.

Published

Date2026-06-22

Updated

Date2026-06-22

RISK INFORMATION (Score: 8.8)

cvss3

Base Score: 8.8

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Impact Score

5.9

Exploitability

2.8

REFERENCES

https://github.com/vllm-project/vllm/security/advisories/GHSA-jrf6-vqxq-pjv2

CVE-2026-53923

SUMMARY

vLLM is an inference and serving engine for large language models (LLMs). From 0.5.5 until 0.23.1rc0, integer truncation of tensor dimensions in vLLM's GGUF dequantize kernels (csrc/quantization/gguf/gguf_kernel.cu) causes partial tensor processing. The output tensor is allocated at full size via torch::empty (uninitialized memory), but the dequantize CUDA kernel processes only a truncated number of elements. The unfilled portion of the output tensor retains whatever was previously in GPU memory. In multi-tenant inference deployments, this residual GPU memory may contain tensor data from other users' inference requests, constituting information disclosure. This vulnerability is fixed in 0.23.1rc0.

Published

Date2026-06-22

Updated

Date2026-06-22

RISK INFORMATION (Score: )

cvss4

Base Score: 5.3

Complexity: LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Impact Score

Exploitability

REFERENCES

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