Comparison Overview

Opia

VS

EY-Parthenon

Opia

184 Shepherds Bush Road, London, England, undefined, GB
Last Update: 2026-04-04
Between 750 and 799

Opia is a creative sales promotion consultancy that innovates to create business change and to push the boundaries of brand recognition and drive consumer sales. We help clients create enticing promotional campaigns that ensure biggest possible impact and lowest possible risk.

NAICS: 541
NAICS Definition:
Employees: 216
Subsidiaries: 1
12-month incidents
0
Known data breaches
0
Attack type number
0

EY-Parthenon

1 More London Place, London, SE1 2AF, GB
Last Update: 2026-03-29
Between 750 and 799

Our unique combination of transformative strategy, transactions and corporate finance delivers real-world value – solutions that work in practice, not just on paper. Benefiting from EY’s full spectrum of services, we’ve reimagined strategic consulting to work in a world of increasing complexity. With deep functional and sector expertise, paired with innovative AI-powered technology and an investor mindset, we partner with CEOs, boards, private equity and governments every step of the way – enabling you to shape your future with confidence. EY-Parthenon is a brand under which a number of EY member firms across the globe provide strategy consulting services. For more information, please visit ey.com/parthenon.

NAICS: 5416
NAICS Definition: Management, Scientific, and Technical Consulting Services
Employees: 16,925
Subsidiaries: 5
12-month incidents
0
Known data breaches
4
Attack type number
1

Compliance Badges Comparison

Security & Compliance Standards Overview

https://images.rankiteo.com/companyimages/opia-ltd.jpeg
Opia
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/ey-parthenon.jpeg
EY-Parthenon
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
Opia
100%
Compliance Rate
0/4 Standards Verified
EY-Parthenon
0%
Compliance Rate
0/4 Standards Verified

Benchmark & Cyber Underwriting Signals

Incidents vs Business Consulting and Services Industry Average (This Year)

No incidents recorded for Opia in 2026.

Incidents vs Business Consulting and Services Industry Average (This Year)

No incidents recorded for EY-Parthenon in 2026.

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

Opia cyber incidents detection timeline including parent company and subsidiaries

Incident History — EY-Parthenon (X = Date, Y = Severity)

EY-Parthenon cyber incidents detection timeline including parent company and subsidiaries

Notable Incidents

Last 3 Security & Risk Events by Company

https://images.rankiteo.com/companyimages/opia-ltd.jpeg
Opia
Incidents

No Incident

https://images.rankiteo.com/companyimages/ey-parthenon.jpeg
EY-Parthenon
Incidents

Date Detected: 11/2025
Type:Breach
Attack Vector: publicly accessible unprotected database backup (.BAK file)
Blog: Blog

Date Detected: 5/2025
Type:Breach
Attack Vector: cloud bucket misconfiguration (publicly accessible storage)
Blog: Blog

Date Detected: 5/2023
Type:Breach
Attack Vector: Third-party service vulnerability
Blog: Blog

FAQ

EY-Parthenon company demonstrates a stronger AI Cybersecurity Score compared to Opia company, reflecting its advanced cybersecurity posture governance and monitoring frameworks.

EY-Parthenon company has historically faced a number of disclosed cyber incidents, whereas Opia company has not reported any.

In the current year, EY-Parthenon company and Opia company have not reported any cyber incidents.

Neither EY-Parthenon company nor Opia company has reported experiencing a ransomware attack publicly.

EY-Parthenon company has disclosed at least one data breach, while Opia company has not reported such incidents publicly.

Neither EY-Parthenon company nor Opia company has reported experiencing targeted cyberattacks publicly.

Neither Opia company nor EY-Parthenon company has reported experiencing or disclosing vulnerabilities publicly.

Neither Opia nor EY-Parthenon holds any compliance certifications.

Neither company holds any compliance certifications.

EY-Parthenon company has more subsidiaries worldwide compared to Opia company.

EY-Parthenon company employs more people globally than Opia company, reflecting its scale as a Business Consulting and Services.

Neither Opia nor EY-Parthenon holds SOC 2 Type 1 certification.

Neither Opia nor EY-Parthenon holds SOC 2 Type 2 certification.

Neither Opia nor EY-Parthenon holds ISO 27001 certification.

Neither Opia nor EY-Parthenon holds PCI DSS certification.

Neither Opia nor EY-Parthenon holds HIPAA certification.

Neither Opia nor EY-Parthenon holds GDPR certification.

Latest Global CVEs (Not Company-Specific)

Description

Hirschmann EagleSDV version 05.4.01 prior to 05.4.02 contains a denial-of-service vulnerability that causes the device to crash during session establishment when using TLS 1.0 or TLS 1.1. Attackers can trigger a crash by initiating TLS connections with these protocol versions to disrupt service availability.

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
cvss4
Base: 8.7
Severity: LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/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
Description

The stored API keys in temporary browser client is not marked as protected allowing for JavScript console or other errors to allow for extraction of the encryption credentials.

Description

XSS vulnerability in cveInterface.js allows for inject HTML to be passed to display, as cveInterface trusts input from CVE API services

Description

Multiple reflected cross-site scripting (XSS) vulnerabilities in the login.php endpoint of Interzen Consulting S.r.l ZenShare Suite v17.0 allows attackers to execute arbitrary Javascript in the context of the user's browser via a crafted URL injected into the codice_azienda and red_url parameters.

Description

A reflected cross-site scripting (XSS) vulnerability in the login_newpwd.php endpoint of Interzen Consulting S.r.l ZenShare Suite v17.0 allows attackers to execute arbitrary Javascript in the context of the user's browser via a crafted URL injected into the codice_azienda parameter.