Company Details
juniper-networks
10,776
890,306
5112
juniper.net
0
JUN_6775708
In-progress

Juniper Networks Company CyberSecurity Posture
juniper.netJuniper Networks is leading the revolution in networking, making it one of the most exciting technology companies in Silicon Valley today. Since being founded by Pradeep Sindhu, Dennis Ferguson, and Bjorn Liencres nearly 20 years ago, Juniper’s sole mission has been to create innovative products and solutions that meet the growing demands of the connected world. Juniper Networks is headquartered in Sunnyvale, California, with over 9,000 employees in 50 countries and nearly $5 billion in revenue. Our customers include the top 100 global service providers and 30,000 enterprises, including the Global Fortune 100 as well as hundreds of federal, state and local government agencies and higher educational organizations. At Juniper Networks, we believe the network is the single greatest vehicle for knowledge, understanding, and human advancement that the world has ever known. Now more than ever, the world needs network innovation to connect ideas and unleash our full potential. Juniper is taking a new approach to the network — one that is intelligent, agile, secure and open to any vendor and any network environment. To learn more about Juniper, our products, and our vision for the decade ahead, visit our site at https://www.juniper.net. Acquired by Hewlett Packard Enterprise in 2025.
Company Details
juniper-networks
10,776
890,306
5112
juniper.net
0
JUN_6775708
In-progress
Between 700 and 749

Juniper Networks Global Score (TPRM)XXXX

Description: Mandiant researchers discovered custom backdoors deployed by China-linked espionage group UNC3886 on outdated Juniper Networks Junos OS routers. These TINYSHELL-based backdoors aimed for long-term persistence and stealth, targeting internal networking infrastructure and ISP routers. The backdoors imitated legitimate binaries and bypassed Junos OS security mechanisms, which could potentially lead to privileged access abuse, network authentication service compromises, and further covert operations within affected systems. The incident highlights significant vulnerabilities within critical networking devices and represents a strategic threat to the defense, technology, and telecommunications sectors.
Description: On December 11, 2024, Juniper Networks identified a security breach where multiple customers' Session Smart Router (SSR) products running default passwords were compromised. The attackers leveraged the devices to conduct Distributed Denial-of-Service (DDoS) attacks as part of the Mirai botnet's activity. This security event resulted in unusual network behavior, including port scanning, failed SSH logins, spikes in traffic, and connections from known malicious IP addresses. Juniper Networks has issued recommendations to customers for strengthening security practices and mitigating future risks. This incident underscores the importance of strong password policies and regular security monitoring to prevent exploitation of network devices. No data leaks or critical threats to personal, financial, or regional economic security were reported.
Description: In mid-2024, China-linked cyber espionage group UNC3886 targeted outdated Juniper Networks Junos OS MX routers with custom backdoors. The deployment of TINYSHELL-based backdoors, which allowed for stealthy, persistent access, showed a sophisticated understanding of system internals and posed a significant threat. This attack rendered the organization vulnerable to long-term espionage activities, primarily affecting the defense, technology, and telecommunications sectors in the US and Asia. The security incident not only undermined the integrity of Juniper Networks' devices but also put sensitive customer and employee data at risk.


Juniper Networks has 72.41% more incidents than the average of same-industry companies with at least one recorded incident.
Juniper Networks has 29.87% more incidents than the average of all companies with at least one recorded incident.
Juniper Networks reported 1 incidents this year: 0 cyber attacks, 0 ransomware, 0 vulnerabilities, 1 data breaches, compared to industry peers with at least 1 incident.
Juniper Networks cyber incidents detection timeline including parent company and subsidiaries

Juniper Networks is leading the revolution in networking, making it one of the most exciting technology companies in Silicon Valley today. Since being founded by Pradeep Sindhu, Dennis Ferguson, and Bjorn Liencres nearly 20 years ago, Juniper’s sole mission has been to create innovative products and solutions that meet the growing demands of the connected world. Juniper Networks is headquartered in Sunnyvale, California, with over 9,000 employees in 50 countries and nearly $5 billion in revenue. Our customers include the top 100 global service providers and 30,000 enterprises, including the Global Fortune 100 as well as hundreds of federal, state and local government agencies and higher educational organizations. At Juniper Networks, we believe the network is the single greatest vehicle for knowledge, understanding, and human advancement that the world has ever known. Now more than ever, the world needs network innovation to connect ideas and unleash our full potential. Juniper is taking a new approach to the network — one that is intelligent, agile, secure and open to any vendor and any network environment. To learn more about Juniper, our products, and our vision for the decade ahead, visit our site at https://www.juniper.net. Acquired by Hewlett Packard Enterprise in 2025.


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Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.
The official website of Juniper Networks is http://www.juniper.net.
According to Rankiteo, Juniper Networks’s AI-generated cybersecurity score is 726, reflecting their Moderate security posture.
According to Rankiteo, Juniper Networks currently holds 0 security badges, indicating that no recognized compliance certifications are currently verified for the organization.
According to Rankiteo, Juniper Networks is not certified under SOC 2 Type 1.
According to Rankiteo, Juniper Networks does not hold a SOC 2 Type 2 certification.
According to Rankiteo, Juniper Networks is not listed as GDPR compliant.
According to Rankiteo, Juniper Networks does not currently maintain PCI DSS compliance.
According to Rankiteo, Juniper Networks is not compliant with HIPAA regulations.
According to Rankiteo,Juniper Networks is not certified under ISO 27001, indicating the absence of a formally recognized information security management framework.
Juniper Networks operates primarily in the Software Development industry.
Juniper Networks employs approximately 10,776 people worldwide.
Juniper Networks presently has no subsidiaries across any sectors.
Juniper Networks’s official LinkedIn profile has approximately 890,306 followers.
Juniper Networks is classified under the NAICS code 5112, which corresponds to Software Publishers.
No, Juniper Networks does not have a profile on Crunchbase.
Yes, Juniper Networks maintains an official LinkedIn profile, which is actively utilized for branding and talent engagement, which can be accessed here: https://www.linkedin.com/company/juniper-networks.
As of December 11, 2025, Rankiteo reports that Juniper Networks has experienced 3 cybersecurity incidents.
Juniper Networks has an estimated 27,532 peer or competitor companies worldwide.
Incident Types: The types of cybersecurity incidents that have occurred include Cyber Attack, Vulnerability and Breach.
Detection and Response: The company detects and responds to cybersecurity incidents through an remediation measures with strengthening security practices, remediation measures with mitigating future risks, and communication strategy with issued recommendations to customers, and enhanced monitoring with regular security monitoring..
Title: Juniper Networks SSR Compromise
Description: On December 11, 2024, Juniper Networks identified a security breach where multiple customers' Session Smart Router (SSR) products running default passwords were compromised. The attackers leveraged the devices to conduct Distributed Denial-of-Service (DDoS) attacks as part of the Mirai botnet's activity. This security event resulted in unusual network behavior, including port scanning, failed SSH logins, spikes in traffic, and connections from known malicious IP addresses. Juniper Networks has issued recommendations to customers for strengthening security practices and mitigating future risks. This incident underscores the importance of strong password policies and regular security monitoring to prevent exploitation of network devices. No data leaks or critical threats to personal, financial, or regional economic security were reported.
Date Detected: 2024-12-11
Type: DDoS Attack
Attack Vector: Default Passwords
Vulnerability Exploited: Weak Password Policies
Threat Actor: Mirai Botnet
Motivation: Conduct DDoS Attacks
Title: UNC3886 Attack on Juniper Networks Junos OS Routers
Description: Mandiant researchers discovered custom backdoors deployed by China-linked espionage group UNC3886 on outdated Juniper Networks Junos OS routers. These TINYSHELL-based backdoors aimed for long-term persistence and stealth, targeting internal networking infrastructure and ISP routers. The backdoors imitated legitimate binaries and bypassed Junos OS security mechanisms, which could potentially lead to privileged access abuse, network authentication service compromises, and further covert operations within affected systems. The incident highlights significant vulnerabilities within critical networking devices and represents a strategic threat to the defense, technology, and telecommunications sectors.
Type: Espionage
Attack Vector: Custom Backdoors
Vulnerability Exploited: Outdated Junos OS routers
Threat Actor: UNC3886
Motivation: Long-term persistence and stealth
Title: UNC3886 Targets Juniper Networks Routers with Custom Backdoors
Description: China-linked cyber espionage group UNC3886 targeted outdated Juniper Networks Junos OS MX routers with custom backdoors. The deployment of TINYSHELL-based backdoors, which allowed for stealthy, persistent access, showed a sophisticated understanding of system internals and posed a significant threat. This attack rendered the organization vulnerable to long-term espionage activities, primarily affecting the defense, technology, and telecommunications sectors in the US and Asia. The security incident not only undermined the integrity of Juniper Networks' devices but also put sensitive customer and employee data at risk.
Date Detected: mid-2024
Type: Cyber Espionage
Attack Vector: Custom Backdoors
Vulnerability Exploited: Outdated Juniper Networks Junos OS MX routers
Threat Actor: UNC3886
Motivation: Espionage
Common Attack Types: The most common types of attacks the company has faced is Breach.
Identification of Attack Vectors: The company identifies the attack vectors used in incidents through Default Passwords, Outdated Juniper Networks Junos OS routers and Outdated Juniper Networks Junos OS MX routers.

Systems Affected: Session Smart Router (SSR) products
Operational Impact: Unusual network behaviorPort scanningFailed SSH loginsSpikes in trafficConnections from known malicious IP addresses

Systems Affected: Juniper Networks Junos OS routers
Operational Impact: Privileged access abuseNetwork authentication service compromisesCovert operations

Data Compromised: Customer data, Employee data
Systems Affected: Juniper Networks Junos OS MX routers
Brand Reputation Impact: Significant
Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Customer Data, Employee Data and .

Entity Name: Juniper Networks
Entity Type: Company
Industry: Networking and Cybersecurity

Entity Name: Juniper Networks
Entity Type: Company
Industry: Technology

Entity Name: Juniper Networks
Entity Type: Organization
Industry: Defense, Technology, Telecommunications
Location: USAsia

Remediation Measures: Strengthening security practicesMitigating future risks
Communication Strategy: Issued recommendations to customers
Enhanced Monitoring: Regular security monitoring

Type of Data Compromised: Customer data, Employee data
Sensitivity of Data: High
Prevention of Data Exfiltration: The company takes the following measures to prevent data exfiltration: Strengthening security practices, Mitigating future risks, .

Lessons Learned: Importance of strong password policies, Regular security monitoring

Recommendations: Strengthening security practices, Mitigating future risksStrengthening security practices, Mitigating future risks
Key Lessons Learned: The key lessons learned from past incidents are Importance of strong password policies,Regular security monitoring.

Source: Mandiant Research
Additional Resources: Stakeholders can find additional resources on cybersecurity best practices at and Source: Mandiant Research.
Communication of Investigation Status: The company communicates the status of incident investigations to stakeholders through Issued Recommendations To Customers.

Customer Advisories: Issued recommendations to customers
Advisories Provided: The company provides the following advisories to stakeholders and customers following an incident: were Issued Recommendations To Customers and .

Entry Point: Default Passwords

Entry Point: Outdated Juniper Networks Junos OS routers
Backdoors Established: TINYSHELL-based backdoors
High Value Targets: Internal Networking Infrastructure, Isp Routers,
Data Sold on Dark Web: Internal Networking Infrastructure, Isp Routers,

Entry Point: Outdated Juniper Networks Junos OS MX routers
Backdoors Established: ['TINYSHELL-based backdoors']
High Value Targets: Defense, Technology, Telecommunications,
Data Sold on Dark Web: Defense, Technology, Telecommunications,

Root Causes: Weak Password Policies,
Corrective Actions: Strengthening Security Practices, Regular Security Monitoring,

Root Causes: Outdated Junos Os Routers,

Root Causes: Outdated Juniper Networks Junos OS MX routers
Post-Incident Analysis Process: The company's process for conducting post-incident analysis is described as Regular Security Monitoring, .
Corrective Actions Taken: The company has taken the following corrective actions based on post-incident analysis: Strengthening Security Practices, Regular Security Monitoring, .
Last Attacking Group: The attacking group in the last incident were an Mirai Botnet, UNC3886 and UNC3886.
Most Recent Incident Detected: The most recent incident detected was on 2024-12-11.
Most Significant Data Compromised: The most significant data compromised in an incident were Customer Data, Employee Data and .
Most Significant System Affected: The most significant system affected in an incident was Session Smart Router (SSR) products and Juniper Networks Junos OS routers and Juniper Networks Junos OS MX routers.
Most Sensitive Data Compromised: The most sensitive data compromised in a breach were Customer Data and Employee Data.
Most Significant Lesson Learned: The most significant lesson learned from past incidents was Regular security monitoring.
Most Significant Recommendation Implemented: The most significant recommendation implemented to improve cybersecurity was Mitigating future risks and Strengthening security practices.
Most Recent Source: The most recent source of information about an incident is Mandiant Research.
Most Recent Customer Advisory: The most recent customer advisory issued was an Issued recommendations to customers.
Most Recent Entry Point: The most recent entry point used by an initial access broker were an Outdated Juniper Networks Junos OS routers, Outdated Juniper Networks Junos OS MX routers and Default Passwords.
Most Significant Root Cause: The most significant root cause identified in post-incident analysis was Weak Password Policies, Outdated Junos OS routers, Outdated Juniper Networks Junos OS MX routers.
Most Significant Corrective Action: The most significant corrective action taken based on post-incident analysis was Strengthening security practicesRegular security monitoring.
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