ImmuniWeb
Corporate brand
UnclaimedImmuniWeb is a Geneva-based application security company whose SaaS offerings use machine learning and artificial intelligence through the ImmuniWeb AI Platform.
Last updated August 31, 2026
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Overview
ImmuniWeb is a global application-security company headquartered in Geneva, Switzerland. Its principal technology proposition is the ImmuniWeb AI Platform, a software-as-a-service environment that applies machine learning and artificial-intelligence techniques to application security activities. The company operates across the broader web, application, cloud, and digital-security landscape, combining automated analysis with security research and testing services. The brand has roots in security research associated with the High-Tech Bridge name. Its research team has disclosed hundreds of vulnerabilities affecting commercial and open-source software, including products and platforms associated with vendors such as Sony, McAfee, Novell, Microsoft SharePoint, SugarCRM, osCommerce, and Zen Cart. These disclosures positioned the organization not only as a commercial security provider but also as a contributor to the public vulnerability-disclosure ecosystem. The research laboratory was recognized by MITRE as compatible with the Common Vulnerabilities and Exposures and Common Weakness Enumeration frameworks. Reference material describes it as one of a limited number of organizations to achieve CWE certification and the first such organization in Switzerland at the time cited. ImmuniWeb also developed free or publicly accessible security-testing resources. In October 2015, it launched an SSL/TLS configuration-testing tool that assessed email, web, and other server configurations against NIST guidance and checked aspects relevant to PCI DSS compliance. The tool received attention in reporting connected with the TalkTalk data breach. This work reflects the company’s emphasis on practical, externally verifiable security posture assessment rather than relying exclusively on conventional penetration-testing engagements. The company’s research has covered both technical vulnerabilities and security-policy issues. Its researchers identified multiple cross-site-scripting vulnerabilities on Yahoo-operated domains. The resulting dispute over Yahoo’s practice of rewarding vulnerability researchers with branded T-shirts became known as “T-shirt gate.” Public criticism surrounding the episode contributed to Yahoo’s later adoption of a more formal vulnerability-reporting policy with monetary rewards based on predefined criteria. ImmuniWeb-related research was also cited in litigation concerning privacy practices on social networks and email services. Other reported research topics include a remote-code-execution vulnerability in PHP, drive-by-download attacks that targeted visitors after authentication on compromised websites, and “RansomWeb,” a web-server-focused form of extortion in which attackers encrypt server data and demand payment for restoration. In 2015, the organization tested the TLS security of major free email providers. Hushmail, previously regarded by some users as a particularly secure provider, initially received a failing grade in the test and subsequently improved its SSL configuration, raising its reported score to B+. Overall, ImmuniWeb combines commercial application-security technology, automated assessment, security research, vulnerability disclosure, and publicly oriented testing utilities. The available reference material does not establish a founding year, founder, ownership structure, public listing, or current executive roster. Those fields therefore remain unspecified.
History
ImmuniWeb is a Swiss application-security company based in Geneva. Its public profile combines commercial cybersecurity software with a research tradition connected to the High-Tech Bridge name. The organization’s research team has published vulnerability advisories affecting a wide range of commercial and open-source products, including software from major technology vendors and commonly deployed web applications. The published record includes advisories involving Sony, McAfee, Novell, Microsoft SharePoint, SugarCRM, osCommerce, and Zen Cart. The research laboratory was registered as compatible with MITRE’s CVE and CWE frameworks. The supplied reference describes the laboratory as one of only a small number of organizations worldwide to have achieved CWE certification and as the first organization in Switzerland to do so at the time of the cited information. The organization was also included among the groups issuing advisories with CVE identifiers. These credentials helped establish a role in coordinated vulnerability disclosure and public security research. ImmuniWeb expanded its public-facing work through free online security utilities. In October 2015 it launched an SSL/TLS configuration-testing service for email servers, websites, and other systems. The service evaluated configurations against NIST recommendations and included checks related to PCI DSS compliance. Its results were discussed in coverage of the TalkTalk breach, illustrating how the tool could be used to examine the security posture of externally exposed services. The company’s research also influenced discussion of vulnerability-reward programs. Researchers identified four cross-site-scripting vulnerabilities on Yahoo domains and received two gift vouchers worth 25 dollars each. The limited recognition became the subject of criticism directed at Yahoo’s practice of sending T-shirts to security researchers. The episode, widely referred to as “T-shirt gate,” contributed to pressure for a more structured reporting and reward system. Yahoo later introduced a policy offering monetary rewards from 150 to 15,000 dollars according to stated criteria. ImmuniWeb-related research was cited in December 2013 in a class-action lawsuit concerning alleged scanning of private messages on a social network. In 2014, the organization reported a PHP remote-code-execution vulnerability, examined targeted drive-by-download attacks, and described RansomWeb, in which attackers seize control of web servers, encrypt their contents, and demand payment. In late 2015, its comparative review of SSL/TLS practices among free email providers gave Hushmail an initial failing grade. Hushmail then changed its SSL configuration and achieved a reported B+ result. The modern ImmuniWeb proposition centers on the ImmuniWeb AI Platform and SaaS-based application-security services. The available material describes the use of machine learning and artificial intelligence but does not provide a complete chronology of product releases, corporate ownership, executive appointments, or financial performance. ImmuniWeb is therefore best characterized as an active, globally oriented cybersecurity brand with roots in independent security research and a current emphasis on automated application-security assessment.
- 2015
SSL/TLS configuration-testing tool launched
[1]The company released an online service for testing server SSL/TLS configurations against NIST guidance and PCI DSS-related requirements.
- 2015
Email-provider TLS comparison published
[1]ImmuniWeb tested SSL/TLS encryption among major free email providers; Hushmail later improved its reported configuration score.
- 2014
Research on PHP remote code execution
[1]The company disclosed a remote-code-execution vulnerability in PHP.
- 2014
RansomWeb attack pattern reported
[1]ImmuniWeb described attacks that encrypt data on compromised web servers and demand payment for its restoration.
- 2013
Privacy research cited in class-action litigation
[1]Research on privacy practices in social networks and email services was cited in a class-action lawsuit alleging improper scanning of private messages.
Products and positioning
An AI- and machine-learning-enabled application-security provider that combines automated SaaS assessment with security research, vulnerability intelligence, and practical web, application, and TLS testing.
Application security platform
ImmuniWeb AI Platform
ImmuniWeb’s proprietary SaaS platform for application-security activities. The platform is described as using machine learning and artificial-intelligence technologies to support security assessment and related application-protection workflows. The supplied material does not specify the full current module list or individual release dates.
Security configuration testing · 2015
ImmuniWeb SSL/TLS Security Test
An online SSL/TLS configuration-testing service launched in October 2015. It could assess email, web, and other server configurations against NIST guidelines and examine elements relevant to PCI DSS compliance.
Vulnerability research
Security research and advisory service
The ImmuniWeb Security Research Team, formerly known as High-Tech Bridge, publishes vulnerability advisories concerning commercial and open-source software. The cited material reports more than 500 advisories and describes CVE- and CWE-compatible research operations.
Marketing campaigns
- T-shirt gate
Global security-research community
After researchers reported four cross-site-scripting vulnerabilities on Yahoo domains and received only low-value gift vouchers, criticism focused on Yahoo’s practice of rewarding researchers with T-shirts. The episode became a broader campaign for more meaningful vulnerability-research compensation.
Outcome. Yahoo later introduced a formal vulnerability-reporting policy offering monetary rewards ranging from 150 to 15,000 dollars according to predefined criteria.
Brand decisions
2015
Launch of SSL/TLS configuration-testing serviceProduct launchBackground
Organizations needed accessible ways to evaluate exposed server encryption settings against recognized security guidance and compliance expectations.
Action taken
ImmuniWeb launched an online tool for testing SSL/TLS configurations for email, web, and other servers.
Aftermath
The tool was cited in reporting about the TalkTalk data breach and later used in comparative research on free email providers.
- Expansion from security research into AI-enabled SaaS application securityStrategy
Background
The company’s public identity developed from vulnerability research and advisory work toward a broader commercial application-security proposition.
Action taken
ImmuniWeb developed the ImmuniWeb AI Platform and positioned machine learning and artificial intelligence as components of its SaaS security offerings.
Aftermath
The brand now combines automated application-security technology with research and security-testing capabilities.
Recent events
Sources2 sources
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