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Comparison Overview

CitiCiti
VS
BlockBlock
Citi

Citi

388 Greenwich Street, New York, 10013, US

Last Update: 14/09/2026

View Profile
Between 750 and 799
http://www.citigroup.com
796/1000Fair

Citi's mission is to serve as a trusted partner to our clients by responsibly providing financial services that enable growth and economic progress. Our core activities are safeguarding assets, lending money, making payments and accessing the capital markets on behalf o...

NAICS:52
NAICS Definition:Finance and Insurance
Employees:200,467
Subsidiaries:2
12-month incidents
0
Known data breaches
2
Attack type number
2
Block

Block

Oakland, California, US

Last Update: 07/09/2026

View Profile
Between 700 and 749
https://block.xyz/
749/1000Moderate

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support a...

NAICS:52
NAICS Definition:Finance and Insurance
Employees:13,182
Subsidiaries:0
12-month incidents
0
Known data breaches
1
Attack type number
1

Compliance Ranges Comparison

Based On Specific Ai Models Category
Citi

Citi

-
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
Block

Block

-
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 Citi in 2026.

Incidents

Incidents vs Financial Services Industry Avg (This Year)

No incidents recorded for Block in 2026.

Incidents

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

Citi cyber incidents detection timeline including parent company and subsidiaries.

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

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

Block 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...
Citi

Citi

Incidents
🔒 Incident : Cyber Attack
CITWELNAVUSAFID1771266975
🔒 Incident : Breach
CITJPM1776832106
🔒 Incident : Cyber Attack
CIT0362322
Block

Block

Incidents
🔒 Incident : Breach
JOI1902219091025

FAQ

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

Latest Global CVEs

CVE-2026-103591
SUMMARY

DeepWiki-Open through commit d92819a contains an unauthenticated arbitrary file read vulnerability in the GET /codemap/file endpoint via the repo_url parameter. Attackers can supply a non-URL repo_url value to bypass path containment checks and read any file accessible to the API process by specifying absolute file paths.

PUBLISHED
Date2026-09-30
UPDATED
Date2026-09-30
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:H/I:N/A:N
CVSS4
Base Score: 8.7
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/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
3.6
EXPLOITABILITY
3.9
CVE-2026-103590
SUMMARY

QloApps through 1.7.0 contains a reflected cross-site scripting vulnerability in the back-office room type editor's length of stay fields. Attackers can induce authenticated administrators to submit crafted POST requests with malicious payloads in restriction_min_los and restriction_max_los parameters, executing arbitrary JavaScript in the victim's administrative session.

PUBLISHED
Date2026-09-30
UPDATED
Date2026-09-30
RISK INFORMATION (Score: 5.4)
CVSS3
Base Score: 5.4
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS4
Base Score: 5.1
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/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
IMPACT SCORE
2.7
EXPLOITABILITY
2.3
CVE-2026-103589
SUMMARY

QloApps through 1.7.0 contains a reflected cross-site scripting vulnerability in the back-office room type editor that fails to escape room_num, floor, and comment field values in input attributes. Attackers can induce authenticated back-office users to submit crafted POST requests with malicious payloads to execute arbitrary JavaScript in the victim's administrative session.

PUBLISHED
Date2026-09-30
UPDATED
Date2026-09-30
RISK INFORMATION (Score: 5.4)
CVSS3
Base Score: 5.4
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS4
Base Score: 5.1
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/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
IMPACT SCORE
2.7
EXPLOITABILITY
2.3
CVE-2026-103588
SUMMARY

QloApps through 1.7.0 contains a reflected cross-site scripting vulnerability in the exceptions field of the back-office Transplant a module form. Attackers can craft a malicious link containing JavaScript payload in the exceptions parameter that executes in an authenticated administrator's session when the victim follows the link.

PUBLISHED
Date2026-09-30
UPDATED
Date2026-09-30
RISK INFORMATION (Score: 5.4)
CVSS3
Base Score: 5.4
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS4
Base Score: 5.1
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/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
IMPACT SCORE
2.7
EXPLOITABILITY
2.3
CVE-2026-103587
SUMMARY

QloApps through 1.7.0 contains a reflected cross-site scripting vulnerability in the back-office Hotel Reservation System Book Now search, where date_to and id_room_type parameters are copied into template variables without validation. Attackers can craft a malicious link containing JavaScript payload in these parameters that executes in an authenticated administrator's session when the victim follows the link.

PUBLISHED
Date2026-09-30
UPDATED
Date2026-09-30
RISK INFORMATION (Score: 5.4)
CVSS3
Base Score: 5.4
Complexity: LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS4
Base Score: 5.1
Complexity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/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
IMPACT SCORE
2.7
EXPLOITABILITY
2.3