CSIRT Description
Cybozu’s CSIRT organization (Cy-SIRT) is dedicated to the prevention of incidents, the rapid detection and containment of new incidents and the minimization of damage from such incidents.
Document Information
Distribution List for Notifications
We report the update notification of this document at our website.
Locations where this Document May Be Found
You can check the following URL.
- https://www.cybozu.com/jp/productsecurity/management/cysirt-en.html
Contact Information
Name of the Team
- Official name:
- Cybozu Inc. Security Incident Response Team
- Abbreviation:
- Cy-SIRT
Address
Tokyo Nihonibashi Tower 27F
2-7-1 Nihonbashi, Chuou-ku, Tokyo, 103-6028 Japan
Date of establishment
August 4, 2011
Time Zone
Japan Time (GMT +0900 throughout the year)
Telephone Number
+81-3-6324-3999
Facsimile Number
We do not hold.
Electronic Mail Address
Please contact us from the following e-mail address when you inform us of security incidents including confidential information.
Please contact us from the following e-mail address when you inform us of security information on products.
Public Keys and Encryption Information
Information on Cy-SIRT’s public key is as follows.
- Security Office
Key ID：0x1ACA0390
Key Type：4,096-bit RSA (secret key available)
Key Finger Print：4EC5 78C3 8FD9 EF99 CA98 5EED 3E41 917A 1ACA 0390
Key ID：0x74885C93
Key Type：4,096-bit RSA (secret key available)
Key Finger Print：D1DE 800A 3D15 D26F 4414 CD6E 2D01 4950 7488 5C93
Team Members
Representative: Yoichi Akeo (Security Office)
Coordinator:Kazuki Niizeki (Cy-PSIRT) , Ikue Yamanishi (Cy-PSIRT) , Yuriko Otsuka (Cy-PSIRT) , Shinya Kubo（Cy-PSIRT）, Hitomi Nagatomo (Cy-PSIRT) , Jumpei Otsuka (Cy-PSIRT) , Shima Nakaido (Security Office) , Shun Sugiyama (Security Office) , Tatsuya Konishi (Cy-PSIRT) , Ibuki Taguchi（Cy-PSIRT）, Koji Nedate (Security Office) , Jun Matsumoto (Security Office)
Operating Hours
We accept 24 hours, but the available time is as follows.
09:00 – 18:00（GMT +09:00）（weekday only, except year-end and new year）
Team Logo
Points of Customer Contact
Please contact us from the following form when you inform us of security information on Cybozu products.
Please contact us from the following form when you inform us of security incidents on Cybozu.
In both cases we will contact you in either Japanese or English.
Charter
Mission Statement
Cy-SIRT was established to strength the conventional system when we start the cloud service.
We aim to cooperate with outside organizations and experts to prevent incidents occurrence, to detect early, to resolve incidents as soon as possible, and to minimize incidents when they occur.
Constituency
Cy-SIRT has been placed in the Cybozu,Inc.
The constiency of Cy-SIRT will be the customer who is considering using our service or using our service and the partner who handles our products.
Composition
Cy-SIRT has two functions.
- PSIRT (Cy-PSIRT)
- Cybozu’s PSIRT team (Cy-PSIRT) works to continuously enhance the security of products and services developed and offered by Cybozu, and to respond to incidents, including bugs and technical failures, that may affect these products and services.
- CSIRT（Security Office）
- Security Office works for the purpose of handling security incidents and preventing them in Cybozu.
Authority
Cy-SIRT has the authority to do the following:
- 1. Support for vulnerability information on Cybozu products
- 2. Information management and transmission regarding incidents occurring in our products and services
- 3. Information gathering and transmission to prevent security incidents
We do not do the following:
- Direct correspondence to security incidents occurred in our company
- Field survey on the system we are introducing
- Direct response to incidents occurring in the service you are introducing
- Support for vulnerability information on Cybozu products
- Cy-SIRT has authority to contact other organizations and communities as part of support response.
- Information gathering and transmission to prevent security incidents
- Cy-SIRT periodically conducts vulnerability verification on each service in order to prevent the occurrence of security incidents in advance.
Policies
Type of Incident and Level of Support
Cy-SIRT will support you for inquiries addressed to e-mail address and web form.
For information received during the course of support work, we will deal with the internal regulations.
Co-operation, Interaction and Disclosure of Information
- Policy on collaboration with other organizations and communities
-
Cy-SIRT has authority to contact other organizations and communities as part of support response. We will use the following e-mail address for contact.
- Policy on information provision to police agencies
- Cy-SIRT does not have the authority to directly contact the police agency.
We will contact the existing organization in our company and contact the related agencies.
- Policy on providing information to media
- Cy-SIRT does not have the authority to contact the media directly.
We will contact the existing organization in our company and contact the related agencies.
- Policy on disclosing Cybozu’s use of open-source software
- Due to security considerations, we do not disclose information about the open-source software Cybozu uses.
Direct inquiries requesting such information will not be answered.
Communication and Authentication
Please contact us from the following form when you inform us of security information on Cybozu products.
Please contact us from the following form when you inform us of security incidents on Cybozu.
You can contact us by email using PGP when you send information on security incidents including confidential information.
Services
Incident Response
Cy-SIRT collects technical information necessary for handling incidents related to our service and supports system administrator’s incident response.
- Incident Triage
- Cy-SIRT determines the importance of vulnerability according to CVSS v3 (Also consider feasibility and unique characteristics of products and services.).
Based on the judgment result, we will respond according to our company regulations.
- Incident Coordination
- In accordance with our company regulations, Cy-SIRT will cooperate with external organizations to disclose information to the outside. For incidents that we can not solve, we will cooperate with other organizations and contact the police agency through the legal department if necessary.
- Incident Resolution
- We will analyze incidents caused by products and advise on recurrence prevention measures.
Proactive Activities
Cy-SIRT is working on the following activities with the objective of preventing incidents in advance.
- Penetration test of our service
- Web application vulnerability diagnosis
- Management of third party products and services that we use
- Review of our products and service verification plans
- Assist in planning our incident response plan and review
- Research about vulnerabilities in open-source software that Cybozu utilizes
Disclaimers
Cy-SIRT assumes no responsibility for any losses caused directly or indirectly by using the information contained in this description document or by using it.
