What is the official website of Gruner + Jahr ?

The official website of Gruner + Jahr is http://www.guj.de.

What is Gruner + Jahr's cybersecurity risk score?

Gruner + Jahr has an AI-generated cybersecurity risk score of 757 out of 1000, indicating a Fair security posture according to Rankiteo's assessment.

How many security incidents has Gruner + Jahr experienced?

According to Rankiteo, Gruner + Jahr currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.

Has Gruner + Jahr been affected by any supply chain cyber incidents ?

According to Rankiteo, Gruner + Jahr has not been affected by any supply chain cyber incidents, and no incident IDs are currently listed for the organization.

Does Gruner + Jahr have SOC 2 Type 1 certification ?

According to Rankiteo, Gruner + Jahr is not certified under SOC 2 Type 1.

Does Gruner + Jahr have SOC 2 Type 2 certification ?

According to Rankiteo, Gruner + Jahr does not hold a SOC 2 Type 2 certification.

Does Gruner + Jahr comply with GDPR ?

According to Rankiteo, Gruner + Jahr is not listed as GDPR compliant.

Does Gruner + Jahr have PCI DSS certification ?

According to Rankiteo, Gruner + Jahr does not currently maintain PCI DSS compliance.

Does Gruner + Jahr comply with HIPAA ?

According to Rankiteo, Gruner + Jahr is not compliant with HIPAA regulations.

Does Gruner + Jahr have ISO 27001 certification ?

According to Rankiteo,Gruner + Jahr is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.

Which industry does Gruner + Jahr operate in ?

Gruner + Jahr operates primarily in the Book and Periodical Publishing industry.

How many employees does Gruner + Jahr have ?

Gruner + Jahr employs approximately 967 people worldwide.

Does Gruner + Jahr own any subsidiaries ?

Gruner + Jahr presently has no subsidiaries across any sectors.

How many LinkedIn followers does Gruner + Jahr have ?

Gruner + Jahr's official LinkedIn profile has approximately 25,204 followers.

What is the NAICS classification code for Gruner + Jahr ?

Gruner + Jahr is classified under the NAICS code 511, which corresponds to Publishing Industries (except Internet).

Does Gruner + Jahr have a Crunchbase profile ?

No, Gruner + Jahr does not have a profile on Crunchbase.

Does Gruner + Jahr have a LinkedIn profile ?

Yes, Gruner + Jahr maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/gruner-jahr-gmbh.

How many cybersecurity incidents has Gruner + Jahr experienced ?

As of June 5, 2026, Rankiteo reports that Gruner + Jahr has not experienced any cybersecurity incidents.

How many peer or competitor companies does Gruner + Jahr have ?

Gruner + Jahr has an estimated 5,107 peer or competitor companies worldwide.

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757

/1000

Fair

782

/1000

Fair

Gruner + Jahr Vendor Cyber Rating & Cyber Score

guj.de

Add Your Compliance Badge

Gruner + Jahr ist einer der großen Premium-Magazinverlage in Europa mit Sitz in Hamburg. Zu ihm gehören so etablierte Print- und Digital-Marken wie STERN, GEO, BRIGITTE, ESSEN & TRINKEN und SCHÖNER WOHNEN – und dazu junge Marken, etwa CHEFKOCH, BARBARA, BEEF, 11FREUNDE. Zu den zahlreichen gedruckten und digitalen Medienangeboten kommen Produkte und Lizenzen wie etwa die SCHÖNER WOHNEN-Kollektion. Das Digitalgeschäft trägt mehr als die Hälfte zum Umsatz bei, es wächst stark. Die digitalen Angebote besetzen führende Positionen in allen publizistischen Segmenten, von News über People bis Living. Seit dem 1. Januar 2022 gehört Gruner + Jahr zu RTL Deutschland. RTL Deutschland ist zusammen mit Gruner + Jahr das führende

GJ A.I CyberSecurity Scoring

Scoring History

Gruner + Jahr CyberSecurity News & History

Past Incidents

Attack Types

Entity

Type

Severity

Impact

Seen

Blog Details

Supply Chain Source

Incident Details

View

No data available

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A.I.

GJ Company Scoring based on AI Models

Cyber Incidents Likelihood 3 - 6 - 9 months

Actual

Prediction

Incident Predictions locked

Access Monitoring Plan

A.I Risk Score Likelihood 3 - 6 - 9 months

Actual

Prediction A

Prediction B

Prediction C

Prediction D

A.I. Risk Score Predictions locked

Access Monitoring Plan

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Underwriter Stats for GJ

Incidents vs Book and Periodical Publishing Industry Avg (This Year)

No incidents recorded for Gruner + Jahr in 2026.

Incidents vs All-Companies Average (This Year)

No incidents recorded for Gruner + Jahr in 2026.

Incident Types GJ vs Book and Periodical Publishing Industry Avg (This Year)

No incidents recorded for Gruner + Jahr in 2026.

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

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SUBSIDIARY

Gruner + Jahr Subsidiaries

GJ

Book and Periodical Publishing

Website: http://www.guj.de

Company Size: 5,001-10,000 employees

RTL DeutschlandBroadcast Media Production and Distribution

RTL GroupEntertainment Providers

FremantleMedia Production

Fremantle AustraliaMedia Production

FremantleMedia HQBroadcast Media Production and Distribution

Fremantle ArchiveBroadcast Media Production and Distribution

Bertelsmann SE & Co. KGaAMedia Production

BMG - The New Music CompanyMusicians

ArvatoTransportation, Logistics, Supply Chain and Storage

Arvato SystemsIT Services and IT Consulting

RivertyFinancial Services

Penguin Random House Verlagsgruppe GmbHBook and Periodical Publishing

Bertelsmann InvestmentsVenture Capital and Private Equity Principals

Bertelsmann Marketing ServicesMarketing Services

RTL NederlandBroadcast Media Production and Distribution

RTL ZMediaproducties

RTL BelgiumBroadcast Media Production and Distribution

RTL tviEntertainment Providers

TélévieCivic and Social Organizations

Radio ContactBroadcast Media Production and Distribution

bel RTLBroadcast Media Production and Distribution

IP LuxembourgAdvertising Services

BCE - Broadcasting Center EuropeBroadcast Media Production and Distribution

RTL Radio Deutschland GmbHBroadcast Media Production and Distribution

RTL HrvatskaBroadcast Media Production and Distribution

RTL MagyarországBroadcast Media Production and Distribution

VOXProduktion und Verbreitung von Rundfunkmedien

G+J iMS (International Media Sales)Advertising Services

Chefkoch GmbHTechnology, Information and Internet

MissionMeInformation Technology & Services

BalloonWellness und Fitness

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Gruner + Jahr Similar Companies

Forbes

forbes.com

Forbes Media is a global media, branding and technology company, with a focus on news and information about business, investing, technology, entrepreneurship, leadership and affluent lifestyles. The company publishes Forbes, Forbes Asia, and Forbes Europe magazines as well as Forbes.com. The Forbes brand today reaches more than 94 million people worldwide with its business message each month through its magazines and 37 licensed local editions around the globe, Forbes.com, TV, conferences, research, social and mobile platforms. Forbes Media’s brand extensions include conferences, real estate, education, financial services, and technology license agreements. Forbes is an equal opportunity employer.

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NEWS

Gruner + Jahr CyberSecurity News

Latest updates, reports, and threat intel affecting the global network.

August 06, 2021 07:00 AM

RTL acquires Bertelsmann's Gruner + Jahr, CEO eyes ProSieben

European broadcaster RTL said its German unit would acquire publishing house Gruner + Jahr from its parent Bertelsmann (BTGGg.

Read Article

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CVE

Latest

Global CVEs (Not Company-Specific)

CVE-2026-48579

SUMMARY

Improper authorization in Microsoft Exchange Online allows an unauthorized attacker to disclose information over a network.

Published

Date2026-06-04

Updated

Date2026-06-04

RISK INFORMATION (Score: 9.1)

cvss3

Base Score: 9.1

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Impact Score

5.2

Exploitability

3.9

REFERENCES

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48579

CVE-2026-48567

SUMMARY

Authentication bypass by spoofing in Azure HorizonDB allows an unauthorized attacker to elevate privileges over a network.

Published

Date2026-06-04

Updated

Date2026-06-04

RISK INFORMATION (Score: 10)

cvss3

Base Score: 10.0

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:H

Impact Score

5.8

Exploitability

3.9

REFERENCES

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-48567

CVE-2026-47655

SUMMARY

Exposure of sensitive information to an unauthorized actor in Microsoft Graph allows an authorized attacker to disclose information over a network.

Published

Date2026-06-04

Updated

Date2026-06-04

RISK INFORMATION (Score: 6.5)

cvss3

Base Score: 6.5

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Impact Score

3.6

Exploitability

2.8

REFERENCES

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47655

CVE-2026-47644

SUMMARY

Improper neutralization of special elements in output used by a downstream component ('injection') in Copilot Chat (Microsoft Edge) allows an unauthorized attacker to disclose information over a network.

Published

Date2026-06-04

Updated

Date2026-06-04

RISK INFORMATION (Score: 6.5)

cvss3

Base Score: 6.5

Complexity: LOW

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Impact Score

3.6

Exploitability

2.8

REFERENCES

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47644

CVE-2026-45497

SUMMARY

Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an authorized attacker to execute code over a network.

Published

Date2026-06-04

Updated

Date2026-06-04

RISK INFORMATION (Score: 7.7)

cvss3

Base Score: 7.7

Complexity: HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L

Impact Score

5.3

Exploitability

1.8

REFERENCES

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45497

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SBOM (Software Bill of Materials)Gain visibility into the software components used within an organization to detect vulnerabilities, manage risk, and ensure supply chain security.

CMDB (Configuration Management Database)Monitor and manage all IT assets and their configurations to ensure accurate, real-time visibility across the company's technology environment.

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