Comparison Overview

Sam's Club

VS

Costco Wholesale

Sam's Club

2101 SE Simple Savings Dr, Bentonville, Arkansas, US, 72712
Last Update: 2025-12-09
Between 700 and 749

Sam’s Club (NYSE: WMT) a division of Walmart Inc., is the membership warehouse club solution for everyday living. Our President and CEO is Chris Nicholas and our headquarters is in Bentonville, AR. For the fiscal year ending January 31, 2023, Sam’s Club’s total revenue was $84.3 billion. There are almost 600 clubs across the U.S and Puerto Rico and each averages approximately 136,000 square feet. Our first club opened in Midwest City, Oklahoma, in 1983. Many clubs include sustainable features such as day-lighting with skylights, night dimming, central energy management, water-conserving fixtures, natural concrete floors and recycling. Sam’s Club employs thousands of associates in the U.S. and Puerto Rico. Approximately 75 percent of club management was promoted from hourly positions. In addition to the leading national brands, Sam's Club also features Member's Mark, an exclusive, premium-quality private brand. Member's Mark products are exclusive designs that use top-of-the-line materials and the highest quality ingredients to make sure they have the best quality and value at members-only prices. A Sam’s Club membership can more than pay for itself with exclusive savings on the items you need, the items you love and all sorts of unexpected items. Sam’s Club focuses on providing members with exclusive savings and quality merchandise, as well as services like Delivery from Club and Curbside Pickup, savings on fuel, full-service Pharmacy and more. We offer our members the most choices on how to shop with us, anywhere, any time. With over 40 years of innovating in the category, Sam’s Club continues to redefine club membership shopping with its curated assortment of quality fresh food and Member’s Mark® items, in addition to market leading technologies and services like Scan & Go™️, curbside pickup and home delivery. Visit the Sam's Club Newsroom, shop at SamsClub.com or connect with Sam's Club on LinkedIn, X, Facebook, Instagram, TikTok and Pinterest.

NAICS: 43
NAICS Definition: Retail Trade
Employees: 45,215
Subsidiaries: 0
12-month incidents
0
Known data breaches
2
Attack type number
2

Costco Wholesale

4401 4th Ave S, Seattle, WA, 98134, US
Last Update: 2025-12-09
Between 800 and 849

Costco Wholesale is a multibillion dollar global retailer with warehouse club operations in 11 countries. We are the recognized leader in our field, dedicated to quality in every area of our business and respected for our outstanding business ethics. Despite our large size and rapid international expansion, we continue to provide an atmosphere in which our employees thrive and succeed. If you are an ambitious, energetic person who enjoys a fast-paced team environment filled with challenges and opportunities, you've come to the right place. Our successful employees are service-oriented with integrity and commitment toward a common goal of excellence. Costco offers great jobs, great pay, great benefits and a great place to work. Like us on Facebook: www.facebook.com/Costco Follow us on Pinterest: www.pinterest.com/Costco

NAICS: 43
NAICS Definition: Retail Trade
Employees: 77,546
Subsidiaries: 1
12-month incidents
0
Known data breaches
2
Attack type number
1

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/sam's-club.jpeg
Sam's Club
ISO 27001
ISO 27001 certification not verified
Not verified
SOC2 Type 1
SOC2 Type 1 certification not verified
Not verified
SOC2 Type 2
SOC2 Type 2 certification not verified
Not verified
GDPR
GDPR certification not verified
Not verified
PCI DSS
PCI DSS certification not verified
Not verified
HIPAA
HIPAA certification not verified
Not verified
https://images.rankiteo.com/companyimages/costco-wholesale.jpeg
Costco Wholesale
ISO 27001
ISO 27001 certification not verified
Not verified
SOC2 Type 1
SOC2 Type 1 certification not verified
Not verified
SOC2 Type 2
SOC2 Type 2 certification not verified
Not verified
GDPR
GDPR certification not verified
Not verified
PCI DSS
PCI DSS certification not verified
Not verified
HIPAA
HIPAA certification not verified
Not verified
Compliance Summary
Sam's Club
100%
Compliance Rate
0/4 Standards Verified
Costco Wholesale
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

Incidents vs Retail Industry Average (This Year)

No incidents recorded for Sam's Club in 2025.

Incidents vs Retail Industry Average (This Year)

No incidents recorded for Costco Wholesale in 2025.

Incident History — Sam's Club (X = Date, Y = Severity)

Sam's Club cyber incidents detection timeline including parent company and subsidiaries

Incident History — Costco Wholesale (X = Date, Y = Severity)

Costco Wholesale cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/sam's-club.jpeg
Sam's Club
Incidents

Date Detected: 11/2023
Type:Breach
Attack Vector: Credential Stuffing / Account Takeover
Blog: Blog

Date Detected: 9/2020
Type:Breach
Attack Vector: Unauthorized Access (Stolen Credentials)
Blog: Blog

Date Detected: 6/2020
Type:Ransomware
Attack Vector: Zero-day vulnerability exploitation
Blog: Blog
https://images.rankiteo.com/companyimages/costco-wholesale.jpeg
Costco Wholesale
Incidents

Date Detected: 07/2015
Type:Breach
Blog: Blog

Date Detected: 6/2014
Type:Breach
Blog: Blog

FAQ

Costco Wholesale company demonstrates a stronger AI Cybersecurity Score compared to Sam's Club company, reflecting its advanced cybersecurity posture governance and monitoring frameworks.

Sam's Club company has faced a higher number of disclosed cyber incidents historically compared to Costco Wholesale company.

In the current year, Costco Wholesale company and Sam's Club company have not reported any cyber incidents.

Sam's Club company has confirmed experiencing a ransomware attack, while Costco Wholesale company has not reported such incidents publicly.

Both Costco Wholesale company and Sam's Club company have disclosed experiencing at least one data breach.

Neither Costco Wholesale company nor Sam's Club company has reported experiencing targeted cyberattacks publicly.

Neither Sam's Club company nor Costco Wholesale company has reported experiencing or disclosing vulnerabilities publicly.

Neither Sam's Club nor Costco Wholesale holds any compliance certifications.

Neither company holds any compliance certifications.

Costco Wholesale company has more subsidiaries worldwide compared to Sam's Club company.

Costco Wholesale company employs more people globally than Sam's Club company, reflecting its scale as a Retail.

Neither Sam's Club nor Costco Wholesale holds SOC 2 Type 1 certification.

Neither Sam's Club nor Costco Wholesale holds SOC 2 Type 2 certification.

Neither Sam's Club nor Costco Wholesale holds ISO 27001 certification.

Neither Sam's Club nor Costco Wholesale holds PCI DSS certification.

Neither Sam's Club nor Costco Wholesale holds HIPAA certification.

Neither Sam's Club nor Costco Wholesale holds GDPR certification.

Latest Global CVEs (Not Company-Specific)

Description

NXLog Agent before 6.11 can load a file specified by the OPENSSL_CONF environment variable.

Risk Information
cvss3
Base: 8.1
Severity: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Description

uriparser through 0.9.9 allows unbounded recursion and stack consumption, as demonstrated by ParseMustBeSegmentNzNc with large input containing many commas.

Risk Information
cvss3
Base: 2.9
Severity: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Description

A vulnerability was detected in Mayan EDMS up to 4.10.1. The affected element is an unknown function of the file /authentication/. The manipulation results in cross site scripting. The attack may be performed from remote. The exploit is now public and may be used. Upgrading to version 4.10.2 is sufficient to fix this issue. You should upgrade the affected component. The vendor confirms that this is "[f]ixed in version 4.10.2". Furthermore, that "[b]ackports for older versions in process and will be out as soon as their respective CI pipelines complete."

Risk Information
cvss2
Base: 5.0
Severity: LOW
AV:N/AC:L/Au:N/C:N/I:P/A:N
cvss3
Base: 4.3
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
cvss4
Base: 5.3
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/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
Description

MJML through 4.18.0 allows mj-include directory traversal to test file existence and (in the type="css" case) read files. NOTE: this issue exists because of an incomplete fix for CVE-2020-12827.

Risk Information
cvss3
Base: 4.5
Severity: HIGH
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:N/A:L
Description

A half-blind Server Side Request Forgery (SSRF) vulnerability exists in kube-controller-manager when using the in-tree Portworx StorageClass. This vulnerability allows authorized users to leak arbitrary information from unprotected endpoints in the control plane’s host network (including link-local or loopback services).

Risk Information
cvss3
Base: 5.8
Severity: HIGH
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N