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Japan’s No.1 Email and File Sanitization Solution*1 (FY2023, by revenue)
(Source: ITR “ITR Market View: Endpoint / Secure Browser / Micro-Segmentation / Content Disarm & Reconstruction / CNAPP / DSPM / XDR Market 2025”)

   *1 Votiro Disarmer and Votiro Secure File Gateway

Votiro Disarmer

Votiro Disarmer boasts the largest number of deployments in Japan among file sanitization products.
It has been deployed by more than 750 local governments across 46 prefectures, as well as by financial institutions, healthcare organizations, life and non-life insurance companies, broadcasters, and many other private-sector organizations (as of January 2019).

In recent years, targeted attacks have increased, exposing many organizations to greater risk. Traditionally, many targeted attacks have attempted to infect endpoints with malware and steal confidential information by disguising malicious emails as legitimate messages. More recently, however, infection vectors have diversified, with malware increasingly being introduced not only through email but also through files downloaded from websites and files brought into organizations on privately owned USB drives.
Because malware source code can be easily obtained from the Internet and customized, numerous new malware variants continue to emerge. As a result, conventional security measures that rely on pattern matching, such as antivirus products, are reaching their limits, making effective malware protection an urgent priority for organizations.
Votiro Disarmer focuses on the possibility that a file may contain malware and sanitizes all applicable files entering an organization from external sources through various channels, including email and the web.

File sanitization mechanism

Key Features

  1. Sanitizes All Target Files to Block Targeted Attacks
    Unlike conventional products relying on pattern matching or signature-based detection, Votiro Disarmer inspects these critical data areas. It sanitizes attack executables by either eliminating data sections unnecessary for file operation or by injecting nonsensical data. By sanitizing all targeted files, regardless of whether malice is detected, the solution defends against unknown zero-day threats for which no signatures exist. This simultaneously frees organizations from the burden of continuous pattern updates and the hassle of false positives. Specifically, Votiro Disarmer prevents sophisticated targeted attacks and subsequent data leakage by completely sanitizing malware embedded in files imported from external sources. Detoxification process
  2. Broad Support for File Formats

    Votiro Disarmer supports virtually all commonly utilized file formats, including Microsoft Office files, PDF documents, image files, and many others.

    Microsoft Office & Related Files Excel, Word, PowerPoint, RTF, Visio 2013 and later
    Identifies and sanitizes internal components such as macros and embedded objects within documents
    Ichitaro files JTD,JTDC (JustSystem document formats)
    Removes macros, sanitizes images and OLE objects, and reconstructs safe files
    PDF files Maintains essential functions like text copy search capabilities even after sanitization
    Image files BMP,GIF,WMF,EMF,PNG,JPG,JPEG,TIFF,TIF,WDP
    Conducts file analysis at the pixel level
    Compressed files ZIP,Microsoft-CAB,TAR,RAR,7Z,GZIP,GZ
    Supports nested (multi-layer) compressed files
    Allows for recompression after sanitization
    Supports password-protected archives
    DocuWorks 8/9 XDW
    Limited to file-type recognition and anti-virus scanning only
    AutoCAD DWG,DXF
    Removes macros, OLE objects, and images; reconstructs safe files
    JWW CAD JWW
    Sanitizes embedded images and reconstructs safe files
    SXF CAD SFC,P21
    Sanitizes files and reconstructs safe versions

    *For file types not listed above, please contact us for more information.

Product Lineup

Disarmer File Connector Disarmer Web Service

Integration with File Servers and FTP Servers for Sanitization

Integration with Web Servers for Sanitization
Automatically sanitizes files. Automatically sanitizes files.
Disarmer Email Connector Disarmer Web Adapter

Integration with All SMTP Mail Servers for Sanitization

Provides Approval Control for File Transfers Between Network Segments
It works with all SMTP mail servers to neutralize threats. Provides an approval function when transferring data between segments.

Deployment Patterns

Deployment Pattern 1: As a Method of "Sanitized Communication" for Local Governments

In the report "Toward Fundamental Enhancement of New Information Security Measures for Local Governments," released by the Ministry of Internal Affairs and Communications and published by the Local Government Information Security Measures Study Team in November 2015, it is recommended that communication paths be separated between business systems using LGWAN, such as financial accounting systems, and systems used for web browsing and Internet email, in order to ensure the security of the WAN environment used for information coordination involving My Number. The report also recommends that when communication is required between the two systems, sanitized communication that prevents virus infection should be implemented. Votiro Disarmer is proposed as a means of achieving this "sanitized communication."

Sanitized file communication for local governments

Assumed Policy

Category Internet-Connected LAN LAN for Personal Number-Related Administrative Work, etc. LAN for Personal Number Administrative Work
Web Access Via integrated proxy Prohibited Prohibited
External Email (Incoming) Via integrated email platform
(Antivirus / Sandbox)		 From Internet-connected terminal
Via sanitization engine		 Prohibited
External Email (Outgoing) Encryption / Misdirected Email Prevention / Audit Trail Prohibited Prohibited
Bringing in Physical Media Via sanitization engine Prohibited Prohibited

Local Government Solutions

File Sanitization Solutions

Deployment Pattern 2: File Sanitization Measures for Financial Institutions

Many financial institutions have a high level of security awareness regarding threats such as ransomware and other malware infections. However, even among financial institutions that have actually experienced security incidents, relatively few have increased their security budgets. Nevertheless, threats arising from this gap between ideal security and actual conditions can become a reality, making it necessary to implement advanced file sanitization measures. Votiro Disarmer provides such protection.
Financial institutions need to prevent malware infections not only in information systems connected to the Internet, but also in core banking networks that handle customer information and financial transactions.

File sanitization measures for financial institutions

Deployment Pattern 3: File Sanitization for Healthcare Environments Handling Large Amounts of Personal Information

The "Guidelines for the Safety Management of Medical Information Systems," issued by the Ministry of Health, Labour and Welfare in 2017, call for the implementation of specific security measures in the healthcare sector. In healthcare environments such as hospitals and clinics, where large amounts of personal information are handled, information leakage resulting from malware infection cannot be tolerated. However, cases of hospitals and national health services overseas being infected with ransomware and other malware have actually occurred. This is therefore no longer a problem that can be regarded as "someone else's concern," and organizations should consider implementing Votiro Disarmer.

File sanitization for healthcare environments handling large amounts of personal information

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