Company Details
naval-group
11,935
367,570
336414
naval-group.com
0
NAV_2264815
In-progress

NAVAL GROUP Company CyberSecurity Posture
naval-group.comAs an international naval defence player, Naval Group is a partner for countries seeking to maintain control of their maritime sovereignty. Naval Group develops innovative solutions to meet its customers’ requirements. The group is present throughout the entire life cycle of vessels. It designs, produces, equips, integrates, supports and upgrades submarines and surface ships, as well as their systems and equipment, right up to the final phases of deconstruction and dismantling. Naval Group’s unique know-how in autonomous systems, underwater weapons and drones place it in pole position to become European leader in the sector. As a high-tech company, it draws on its outstanding expertise, unique design and production resources and ability to establish strategic partnerships, in particular within the framework of transfers of technology. It also provides shipyard and naval base services. Ever mindful of the issues concerning corporate social responsibility (CSR), Naval Group is a signatory to the United Nations Global Compact. Located on five continents, the group generates revenue of 4.355 billion euros and has 16,722 employees (Full-Time Equivalent average annual workforce - figures as on 31 December 2024).
Company Details
naval-group
11,935
367,570
336414
naval-group.com
0
NAV_2264815
In-progress
Between 700 and 749

NAVAL GROUP Global Score (TPRM)XXXX

Description: On July 26, 2025, Naval Group, France’s premier defense shipbuilder, experienced a severe cybersecurity breach resulting in the unauthorized leak of approximately **30 GB of sensitive internal data**, with attackers claiming possession of up to **1 TB more**. The exposed information reportedly includes **highly classified technical documents and combat system files** tied to critical French military assets, such as the **Suffren-class nuclear submarines** and **FREMM frigates**. While Naval Group asserted that no direct intrusion into its core IT infrastructure was confirmed and operational systems remained unaffected, the incident was classified as a **reputational attack** with potential long-term strategic risks. The breach has prompted a **full-scale investigation** in collaboration with French authorities to verify the authenticity of the leaked data and assess its broader implications for national security. The exposure of such sensitive defense-related intellectual property poses significant risks, including **espionage, competitive disadvantage, and erosion of trust** among international partners and clients. The incident underscores vulnerabilities in safeguarding **state-level military secrets**, raising concerns over future cyber threats targeting defense contractors.
Description: Naval Group, a company specializing in defense naval construction, has reportedly been the target of a cyber attack. While the company claims there has been no detected intrusion or ransom demand, a hacker on the dark web claims to have stolen approximately 1 terabyte of data produced between 2019 and 2024 during an attack on July 23. This incident highlights a significant reputational risk for Naval Group.
Description: In 2011, DCNS (a French submarine manufacturer) suffered a major cyber attack in India, orchestrated by an overseas actor targeting economic warfare. The breach resulted in the theft of **22,400 highly sensitive files**, including classified documents detailing the **stealth capabilities, magnetic, electromagnetic, and infrared signatures** of the **Scorpène-class submarines**. The stolen data exposed critical operational parameters—such as submarine speeds, noise levels, mast-raising speeds, and other proprietary technical specifications—effectively compromising the vessel’s tactical advantages.The leak had severe geopolitical and commercial repercussions, particularly for DCNS’s **A$50 billion ($38 billion) Barracuda-class submarine contract in Australia**, where competitors and foreign adversaries could exploit the exposed vulnerabilities. The incident eroded trust in DCNS’s cybersecurity measures, risking the company’s reputation, contractual negotiations, and long-term defense partnerships. The stolen intelligence also posed a direct threat to **national security**, as adversarial nations could counter or replicate the submarine’s capabilities, undermining its strategic value in naval warfare.


NAVAL GROUP has 36.99% more incidents than the average of same-industry companies with at least one recorded incident.
NAVAL GROUP has 29.87% more incidents than the average of all companies with at least one recorded incident.
NAVAL GROUP reported 1 incidents this year: 0 cyber attacks, 0 ransomware, 0 vulnerabilities, 1 data breaches, compared to industry peers with at least 1 incident.
NAVAL GROUP cyber incidents detection timeline including parent company and subsidiaries

As an international naval defence player, Naval Group is a partner for countries seeking to maintain control of their maritime sovereignty. Naval Group develops innovative solutions to meet its customers’ requirements. The group is present throughout the entire life cycle of vessels. It designs, produces, equips, integrates, supports and upgrades submarines and surface ships, as well as their systems and equipment, right up to the final phases of deconstruction and dismantling. Naval Group’s unique know-how in autonomous systems, underwater weapons and drones place it in pole position to become European leader in the sector. As a high-tech company, it draws on its outstanding expertise, unique design and production resources and ability to establish strategic partnerships, in particular within the framework of transfers of technology. It also provides shipyard and naval base services. Ever mindful of the issues concerning corporate social responsibility (CSR), Naval Group is a signatory to the United Nations Global Compact. Located on five continents, the group generates revenue of 4.355 billion euros and has 16,722 employees (Full-Time Equivalent average annual workforce - figures as on 31 December 2024).

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Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
The official website of NAVAL GROUP is http://www.naval-group.com.
According to Rankiteo, NAVAL GROUP’s AI-generated cybersecurity score is 731, reflecting their Moderate security posture.
According to Rankiteo, NAVAL GROUP currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
According to Rankiteo, NAVAL GROUP is not certified under SOC 2 Type 1.
According to Rankiteo, NAVAL GROUP does not hold a SOC 2 Type 2 certification.
According to Rankiteo, NAVAL GROUP is not listed as GDPR compliant.
According to Rankiteo, NAVAL GROUP does not currently maintain PCI DSS compliance.
According to Rankiteo, NAVAL GROUP is not compliant with HIPAA regulations.
According to Rankiteo,NAVAL GROUP is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
NAVAL GROUP operates primarily in the Defense and Space Manufacturing industry.
NAVAL GROUP employs approximately 11,935 people worldwide.
NAVAL GROUP presently has no subsidiaries across any sectors.
NAVAL GROUP’s official LinkedIn profile has approximately 367,570 followers.
NAVAL GROUP is classified under the NAICS code 336414, which corresponds to Guided Missile and Space Vehicle Manufacturing.
No, NAVAL GROUP does not have a profile on Crunchbase.
Yes, NAVAL GROUP maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/naval-group.
As of December 11, 2025, Rankiteo reports that NAVAL GROUP has experienced 3 cybersecurity incidents.
NAVAL GROUP has an estimated 2,330 peer or competitor companies worldwide.
Incident Types: The types of cybersecurity incidents that have occurred include Cyber Attack and Breach.
Detection and Response: The company detects and responds to cybersecurity incidents through an third party assistance with french authorities, and and communication strategy with public statement (denial of it intrusion, operational systems unaffected)..
Title: Naval Group Reputational Attack
Description: Naval Group, a defense naval construction company, claims to be the target of a reputational attack characterized by the claim of a cyber-malicious act. A hacker on the dark web claims to have stolen nearly 1 terabyte of data produced between 2019 and 2024 during an attack on July 23.
Date Detected: 2023-07-23
Type: Data Breach
Threat Actor: Unknown Hacker
Motivation: Reputational Damage
Title: DCNS (Naval Group) Cyber Espionage Incident (2011)
Description: In 2011, the French submarine company DCNS (now Naval Group) was targeted by a hacking attack in India, attributed to an overseas actor conducting economic warfare. The breach resulted in the theft of 22,400 files, including highly sensitive documents detailing the stealth capabilities, magnetic, electromagnetic, and infrared data of the Scorpène-class submarines. The leaked data exposed critical operational details such as submarine speeds, noise levels, mast operation speeds, and other classified specifications. The incident raised concerns about the security of DCNS’s A$50 billion ($38 billion) Barracuda next-generation submarine project in Australia, where the company was in exclusive contract negotiations.
Date Publicly Disclosed: 2016
Type: cyber espionage
Attack Vector: network intrusiontargeted hacking
Threat Actor: overseas actorstate-sponsored (suspected)
Motivation: economic warfarecompetitive intelligencemilitary espionage
Title: Naval Group Data Leak (July 2025)
Description: In July 26, 2025, Naval Group, France’s leading defense shipbuilder, suffered a major cybersecurity incident involving the leak of approximately 30 GB of internal data, with claims from the attackers that they possess up to 1 TB more. The exposed information allegedly includes technical documents and combat system files used in French submarines and warships, such as the Suffren-class nuclear submarines and FREMM frigates. While Naval Group stated that no intrusion into its IT infrastructure has been confirmed and operational systems remain unaffected, the breach is being treated as a reputational attack.
Date Detected: 2025-07-26
Date Publicly Disclosed: 2025-07-26
Type: data breach
Motivation: reputational damagepotential espionage
Common Attack Types: The most common types of attacks the company has faced is Cyber Attack.

Data Compromised: Nearly 1 terabyte of data produced between 2019 and 2024
Brand Reputation Impact: Significant

Data Compromised: 22,400 files, Scorpène-class submarine specifications (stealth, magnetic, electromagnetic, infrared data), Operational details (speeds, noise levels, mast operation)
Operational Impact: compromised submarine project securitydoubt cast on A$50 billion Barracuda contract in Australia
Brand Reputation Impact: loss of trust in DCNS/Naval Group's cybersecuritypotential contract risks

Data Compromised: Technical documents, Combat system files (submarines and warships)
Operational Impact: none (operational systems reportedly unaffected)
Brand Reputation Impact: high (reputational attack)
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Military Secrets, Submarine Technical Specifications, Stealth Capabilities, Electromagnetic Data, Infrared Data, Operational Manuals, , Technical Documents, Combat System Files and .

Entity Name: Naval Group
Entity Type: Defense Naval Construction Company
Industry: Defense

Entity Name: DCNS (now Naval Group)
Entity Type: defense contractor
Industry: defense, shipbuilding, submarine manufacturing
Location: FranceIndia (incident context)
Customers Affected: Indian Navy (Scorpène-class submarines), Australian Department of Defence (potential Barracuda contract)

Entity Name: Naval Group
Entity Type: defense contractor
Industry: defense/aerospace
Location: France

Incident Response Plan Activated: True
Third Party Assistance: French Authorities.
Communication Strategy: public statement (denial of IT intrusion, operational systems unaffected)
Third-Party Assistance: The company involves third-party assistance in incident response through French authorities, .

Data Exfiltration: Nearly 1 terabyte of data

Type of Data Compromised: Military secrets, Submarine technical specifications, Stealth capabilities, Electromagnetic data, Infrared data, Operational manuals
Number of Records Exposed: 22,400 files
Sensitivity of Data: top secret (military/defense)
File Types Exposed: technical documentsdesign specificationsoperational manuals

Type of Data Compromised: Technical documents, Combat system files
Sensitivity of Data: high (military/defense-related)

Data Exfiltration: True

Data Exfiltration: True

Regulatory Notifications: French authorities

Source: The Australian (2016)

Source: BBC News

Source: (Hypothetical) Cybersecurity News Report
Date Accessed: 2025-07-26
Additional Resources: Stakeholders can find additional resources on cybersecurity best practices at and Source: The Australian (2016)Url: https://www.theaustralian.com.au/nation/defence/leaked-dcns-documents-reveal-secrets-of-indias-scorpene-submarines/news-story/5e2a3e3e8b1b2f6e1d4c8e7a9f3b2d1e, and Source: BBC NewsUrl: https://www.bbc.com/news/world-asia-37193094, and Source: (Hypothetical) Cybersecurity News ReportDate Accessed: 2025-07-26.

Investigation Status: ongoing (authenticity and impact assessment)
Communication of Investigation Status: The company communicates the status of incident investigations to stakeholders through public statement (denial of IT intrusion and operational systems unaffected).

High Value Targets: Scorpène-Class Submarine Data, Barracuda Project Intelligence,
Data Sold on Dark Web: Scorpène-Class Submarine Data, Barracuda Project Intelligence,

High Value Targets: Submarine Combat Systems, Warship Technical Data,
Data Sold on Dark Web: Submarine Combat Systems, Warship Technical Data,
Post-Incident Analysis Process: The company's process for conducting post-incident analysis is described as French Authorities, .
Last Attacking Group: The attacking group in the last incident were an Unknown Hacker and overseas actorstate-sponsored (suspected).
Most Recent Incident Detected: The most recent incident detected was on 2023-07-23.
Most Recent Incident Publicly Disclosed: The most recent incident publicly disclosed was on 2025-07-26.
Most Significant Data Compromised: The most significant data compromised in an incident were Nearly 1 terabyte of data produced between 2019 and 2024, , 22,400 files, Scorpène-class submarine specifications (stealth, magnetic, electromagnetic, infrared data), operational details (speeds, noise levels, mast operation), , technical documents, combat system files (submarines and warships) and .
Third-Party Assistance in Most Recent Incident: The third-party assistance involved in the most recent incident was french authorities, .
Most Sensitive Data Compromised: The most sensitive data compromised in a breach were Scorpène-class submarine specifications (stealth, magnetic, electromagnetic, infrared data), technical documents, operational details (speeds, noise levels, mast operation), 22,400 files, Nearly 1 terabyte of data produced between 2019 and 2024 and combat system files (submarines and warships).
Number of Records Exposed in Most Significant Breach: The number of records exposed in the most significant breach was 22.4K.
Most Recent Source: The most recent source of information about an incident are BBC News, (Hypothetical) Cybersecurity News Report and The Australian (2016).
Most Recent URL for Additional Resources: The most recent URL for additional resources on cybersecurity best practices is https://www.theaustralian.com.au/nation/defence/leaked-dcns-documents-reveal-secrets-of-indias-scorpene-submarines/news-story/5e2a3e3e8b1b2f6e1d4c8e7a9f3b2d1e, https://www.bbc.com/news/world-asia-37193094 .
Current Status of Most Recent Investigation: The current status of the most recent investigation is ongoing (authenticity and impact assessment).
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