Comparison Overview

Discover

VS

American Express

Discover

2500 Lake Cook Road, None, Riverwoods, IL, US, 60015
Last Update: 2025-08-04 (UTC)
Between 900 and 1000

Excellent

Discover® is now part of Capital One. Together, we’ll continue to deliver exceptional financial products and experiences, drive innovation, and serve customers. Find the latest updates at https://capitalonediscover.com. Discover is one of the most recognized brands in the U.S. with the Discover® card, America's cash rewards pioneer, and offers personal loans, home loans, checking and savings accounts and certificates of deposit. The Discover Global Network® is comprised of Discover Network, with millions of merchants and cash access locations; PULSE®, one of the nation's leading ATM/debit networks; and Diners Club International®, a global payments network with acceptance around the world.

NAICS: 52
NAICS Definition: Finance and Insurance
Employees: 21,528
Subsidiaries: 0
12-month incidents
0
Known data breaches
34
Attack type number
2

American Express

World Financial Center, 200 Vesey Street, None, New York, NY, US, 10285
Last Update: 2025-08-04 (UTC)

Strong

At American Express, we know that with the right backing, people and businesses have the power to progress in incredible ways. Whether we’re supporting our customers’ financial confidence to move ahead, taking commerce to new heights, or encouraging people to explore the world, our colleagues are constantly striving to uphold our powerful backing promise to our customers and each other every day. These beliefs have been our North Star for 170 years as our business transformed – from helping evacuate travelers during World Wars, to ensuring the safety of our customers’ funds during the Great Depression in the U.S., to creating the Shop Small® movement to help small businesses recover from the Financial Crisis, to providing aid to communities impacted by many natural disasters and so much more. For generations, the key to our success has been the determination and resilience of our American Express colleagues. Now, as a globally integrated payments company, we work together to provide customers with access to products, insights and world-class experiences that enrich lives and build business success. Join us and let’s lead the way together. Learn more about us at: https://www.americanexpress.com/careers https://www.americanexpress.com/ https://www.facebook.com/AmericanExpressUS https://www.instagram.com/americanexpress/ https://twitter.com/americanexpress https://www.youtube.com/user/AmericanExpress See our community guidelines at: https://www.americanexpress.com/en-us/company/community-guidelines/ If you have a customer service issue or question, please visit www.americanexpress.com/contactus

NAICS: 52
NAICS Definition: Finance and Insurance
Employees: 79,764
Subsidiaries: 2
12-month incidents
1
Known data breaches
64
Attack type number
2

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/discover-financial-services.jpeg
Discover
ISO 27001
Not verified
SOC 2
Not verified
GDPR
No public badge
PCI DSS
No public badge
https://images.rankiteo.com/companyimages/american-express.jpeg
American Express
ISO 27001
Not verified
SOC 2
Not verified
GDPR
No public badge
PCI DSS
No public badge
Compliance Summary
Discover
100%
Compliance Rate
0/4 Standards Verified
American Express
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

Incidents vs Financial Services Industry Average (This Year)

No incidents recorded for Discover in 2025.

Incidents vs Financial Services Industry Average (This Year)

American Express has 19.05% more incidents than the average of same-industry companies with at least one recorded incident.

Incident History — Discover (X = Date, Y = Severity)

Discover cyber incidents detection timeline including parent company and subsidiaries

Incident History — American Express (X = Date, Y = Severity)

American Express cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/discover-financial-services.jpeg
Discover
Incidents

Date Detected: 9/2020
Type:Breach
Attack Vector: Inadvertent Disclosure
Blog: Blog

Date Detected: 8/2018
Type:Breach
Blog: Blog

Date Detected: 1/2018
Type:Breach
Blog: Blog
https://images.rankiteo.com/companyimages/american-express.jpeg
American Express
Incidents

Date Detected: 2/2025
Type:Breach
Blog: Blog

Date Detected: 7/2022
Type:Cyber Attack
Blog: Blog

Date Detected: 01/2021
Type:Breach
Attack Vector: Unknown
Blog: Blog

FAQ

Discover company company demonstrates a stronger AI risk posture compared to American Express company company, reflecting its advanced AI governance and monitoring frameworks.

American Express company has faced a higher number of disclosed cyber incidents historically compared to Discover company.

In the current year, American Express company has reported more cyber incidents than Discover company.

Neither American Express company nor Discover company has reported experiencing a ransomware attack publicly.

Both American Express company and Discover company have disclosed experiencing at least one data breach.

Both American Express company and Discover company have reported experiencing targeted cyberattacks.

Neither Discover company nor American Express company has reported experiencing or disclosing vulnerabilities publicly.

American Express company has more subsidiaries worldwide compared to Discover company.

American Express company employs more people globally than Discover company, reflecting its scale as a Financial Services.

Latest Global CVEs (Not Company-Specific)

Description

TS3 Manager is modern web interface for maintaining Teamspeak3 servers. A reflected cross-site scripting vulnerability has been identified in versions 2.2.1 and earlier. The vulnerability exists in the error handling mechanism of the login page, where malicious scripts embedded in server hostnames are executed in the victim's browser context without proper sanitization. This issue is fixed in version 2.2.2.

Risk Information
cvss3
Base: 4.3
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Description

TS3 Manager is modern web interface for maintaining Teamspeak3 servers. A Denial of Dervice vulnerability has been identified in versions 2.2.1 and earlier. The vulnerability permits an unauthenticated actor to crash the application through the submission of specially crafted Unicode input, requiring no prior authentication or privileges. The flaw manifests when Unicode tag characters are submitted to the Server field on the login page. The application fails to properly handle these characters during the ASCII conversion process, resulting in an unhandled exception that terminates the application within four to five seconds of submission. This issue is fixed in version 2.2.2.

Risk Information
cvss3
Base: 7.5
Severity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description

Weblate is a web based localization tool. An open redirect exists in versions 5.13.2 and below via the redir parameter on .within.website when Weblate is configured with Anubis and REDIRECT_DOMAINS is not set. An attacker can craft a URL on the legitimate domain that redirects a victim to an attacker-controlled site. The redirect can also be used to initiate drive-by downloads (redirecting to a URL that serves a malicious file), increasing the risk to end users. This issue is fixed in version 5.13.3.

Risk Information
cvss4
Base: 2.1
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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
Description

Termix is a web-based server management platform with SSH terminal, tunneling, and file editing capabilities. The official Docker image for Termix versions 1.5.0 and below, due to being configured with an Nginx reverse proxy, causes the backend to retrieve the proxy's IP instead of the client's IP when using the req.ip method. This results in isLocalhost always returning True. Consequently, the /ssh/db/host/internal endpoint can be accessed directly without login or authentication. This endpoint records the system's stored SSH host information, including addresses, usernames, and passwords, posing an extremely high security risk. Users who use the official Termix docker image, build their own image using the official dockerfile, or utilize reverse proxy functionality will be affected by this vulnerability. This issue is fixed in version 1.6.0.

Risk Information
cvss4
Base: 9.2
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/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
Description

OpenPLC_V3 has a vulnerability in the enipThread function that occurs due to the lack of a return value. This leads to a crash when the server loop ends and execution hits an illegal ud2 instruction. This issue can be triggered remotely without authentication by starting the same server multiple times or if the server exits unexpectedly. The vulnerability allows an attacker to cause a Denial of Service (DoS) against the PLC runtime, stopping any PC started remotely without authentication. This results in the PLC process crashing and halting all automation or control logic managed by OpenPLC.

Risk Information
cvss3
Base: 7.1
Severity: LOW
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
cvss4
Base: 6.1
Severity: LOW
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:H/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