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Comparison Overview

MarinerMariner
VS
LSEGLSEG
Mariner

Mariner

5700 W. 112th, Suite 200, Overland Park, KS, US, 66211

Last Update: 30/06/2026

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643/1000Poor

Your wealth plan shouldn’t sit still. Neither do we. At Mariner, our advisors have access to in-house resources to solve complex wealth problems of the modern world. Get started today to access advisors with a wealth of knowledge — and a wealth of support. Our wealth so...

NAICS:52
NAICS Definition:Finance and Insurance
Employees:2,247
Subsidiaries:0
12-month incidents
0
Known data breaches
3
Attack type number
1
LSEG

LSEG

10 Paternoster Square, London, England, GB, EC4M 7DX

Last Update: 01/04/2026

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Between 650 and 699
http://www.lseg.com
697/1000Weak

LSEG (London Stock Exchange Group) is a diversified international markets infrastructure business —earning our clients’ trust for over 300 years. That legacy of customer-focused excellence ensures that you can rely on our expertise in capital formation, intellectual pro...

NAICS:52
NAICS Definition:Finance and Insurance
Employees:24,270
Subsidiaries:16
12-month incidents
0
Known data breaches
0
Attack type number
2

Compliance Ranges Comparison

Based On Specific Ai Models Category
Mariner

Mariner

-
ISO 27001Not verified
ISO 27001
-
SOC2 Type 1Not verified
SOC2 Type 1
-
SOC2 Type 2Not verified
SOC2 Type 2
-
GDPRNot verified
GDPR
-
PCI DSSNot verified
PCI DSS
-
HIPAANot verified
HIPAA
LSEG

LSEG

-
ISO 27001Not verified
ISO 27001
-
SOC2 Type 1Not verified
SOC2 Type 1
-
SOC2 Type 2Not verified
SOC2 Type 2
-
GDPRNot verified
GDPR
-
PCI DSSNot verified
PCI DSS
-
HIPAANot verified
HIPAA

Benchmark & Cyber Underwriting Signals

Incidents vs Financial Services Industry Avg (This Year)

No incidents recorded for Mariner in 2026.

Incidents

Incidents vs Financial Services Industry Avg (This Year)

No incidents recorded for LSEG in 2026.

Incidents

Incident History - Mariner (X = Date, Y = Severity)

Mariner cyber incidents detection timeline including parent company and subsidiaries.

R - Ransomware
C - Cyber Attack
D - Data Breach
V - Vulnerability

Incident History - LSEG (X = Date, Y = Severity)

LSEG cyber incidents detection timeline including parent company and subsidiaries.

R - Ransomware
C - Cyber Attack
D - Data Breach
V - Vulnerability

Notable Incidents

Last Cyber / HR Incidents / Global...
Mariner

Mariner

Incidents
🔒 Incident : Breach
NEWACC1780432754
🔒 Incident : Breach
ACC323072825
🔒 Incident : Breach
ACC1782851760
LSEG

LSEG

Incidents
🔒 Incident : Cyber Attack
BRU0093500092025
🔒 Incident : Ransomware
COL5132151100225

FAQ

Between Mariner company and LSEG company, which one has the best AI Cybersecurity Score ?
Between Mariner company and LSEG company, which one has experienced more cyber incidents in the past ?
Between Mariner company and LSEG company, which one has experienced more cyber incidents this year ?
Between Mariner company and LSEG company, which one has experienced at least one ransomware attack ?
Between Mariner company and LSEG company, which one has experienced at least one data breach ?
Between Mariner company and LSEG company, which one has experienced at least one targeted cyberattack ?
Between Mariner company and LSEG company, which one has experienced at least one vulnerability ?
Between Mariner company and LSEG company, which one holds the most compliance certifications ?
Between Mariner company and LSEG company, which one holds the fewest compliance certifications ?
Between Mariner company and LSEG company, which one has the most subsidiaries ?
Between Mariner company and LSEG company, which one has the largest number of employees ?
Between Mariner and LSEG, which company holds both SOC 2 Type 1 certifications ?
Between Mariner and LSEG, which company holds both SOC 2 Type 2 certifications ?
Which company is ISO 27001 certified - Mariner or LSEG ?
Which company is PCI DSS compliant - Mariner or LSEG ?
Between Mariner and LSEG, which company complies with HIPAA regulations for healthcare data ?
Between Mariner and LSEG, which company complies with GDPR requirements ?

Latest Global CVEs

CVE-2026-57980
SUMMARY

Authentication bypass using an alternate path or channel in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform tampering over a network.

PUBLISHED
Date2026-07-17
UPDATED
Date2026-07-17
RISK INFORMATION (Score: 5.4)
CVSS3
Base Score: 5.4
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
IMPACT SCORE
2.5
EXPLOITABILITY
2.8
CVE-2026-56741
SUMMARY

JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not apply an upper bound to terminal dimensions received via the Telnet NAWS option, and TelnetIO.handleNAWS() in TelnetIO.java:856-879 reads client-supplied width and height as 16-bit unsigned integers and passes values such as 65535x65535 to setTerminalGeometry(), allowing an unauthenticated remote attacker to repeatedly alternate values and trigger continuous expensive rendering work that causes CPU exhaustion and denial of service. This issue is fixed in versions 3.30.14, 4.0.16, and 4.2.1.

PUBLISHED
Date2026-07-17
UPDATED
Date2026-07-17
RISK INFORMATION (Score: 7.5)
CVSS3
Base Score: 7.5
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
IMPACT SCORE
3.6
EXPLOITABILITY
3.9
CVE-2026-56740
SUMMARY

JLine is a Java library for handling console input. Prior to 3.30.14, 4.0.16, and 4.2.1, the JLine3 Telnet server remote-telnet module does not limit the number of environment variables a client may inject via the Telnet NEW-ENVIRON option, and TelnetIO.readNEVariables() in TelnetIO.java:1127-1180 stores each variable pair in a HashMap held by ConnectionData, allowing an unauthenticated attacker to flood unique variable pairs before the terminating IAC SE byte and exhaust JVM heap memory with an OutOfMemoryError. This issue is fixed in versions 3.30.14, 4.0.16, and 4.2.1.

PUBLISHED
Date2026-07-17
UPDATED
Date2026-07-17
RISK INFORMATION (Score: 7.5)
CVSS3
Base Score: 7.5
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
IMPACT SCORE
3.6
EXPLOITABILITY
3.9
CVE-2026-56171
SUMMARY

Exposure of private personal information to an unauthorized actor in Windows RDP allows an unauthorized attacker to disclose information over a network.

PUBLISHED
Date2026-07-17
UPDATED
Date2026-07-17
RISK INFORMATION (Score: 7.1)
CVSS3
Base Score: 7.1
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
IMPACT SCORE
4.2
EXPLOITABILITY
2.8
CVE-2026-54335
SUMMARY

Feathersjs is a framework for creating web APIs and real-time applications with TypeScript or JavaScript. In 5.0.44 and earlier, the _.merge(target, source) utility exported by @feathersjs/commons recursively merges source into target by iterating Object.keys(source). When source was produced by JSON.parse and contains a __proto__, constructor, or prototype key, that key is returned as an own-enumerable property; the recursive merge then resolves target['__proto__'] to Object.prototype and writes attacker-supplied properties onto it, polluting the prototype for all plain objects in the process for the lifetime of the Node process. This issue is fixed in version 5.0.45.

PUBLISHED
Date2026-07-17
UPDATED
Date2026-07-17
RISK INFORMATION (Score: 3.7)
CVSS3
Base Score: 3.7
Complexity: HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
IMPACT SCORE
1.4
EXPLOITABILITY
2.2