Attacks to some accounts in the Microsoft 365 of Univ. Tsukuba have been found so far.
Please report to us any suspicious accesses to your account, and in either case, we strongly suggest that you use a strong sign-in password in your Microsoft 365 account.
We have FAQs for how to view your own sign-in history and/or change your password.
The following work will be performed to update the University of Tsukuba’s SINET connection lines (two types of lines: one connected to the outside of the university through network communications, and the other between the Tsukuba and Tokyo campuses).
Date and Time： Sunday, March 26, 2023, 9:00 – 11:00
Work contents： Renewal of off-campus connection and Tokyo campus connection line
Impact： Network connection breakdown will occur several times in all off-campus lines and the Tokyo campus line.
We will conduct maintenance on the cable that connects the Kasuga area in the backbone network.
The backbone network in the Kasuga area will be out of service due to a power outage due to the inspection of electrical equipment in the Kasuga area on the day of the event.
Kasuga Plaza, which is connected via the Kasuga area, will also experience network outages.
Date and Time： Saturday, November 26, 9:00～16:00
Work contents： Maintenance of network connection cables in the Kasuga area
Impact： Kasuga Plaza network will be shut down.
Trend Micro Apex One (TMAO) is a corporate product and is not immediately compatible with windows or macOS updates.
If you update Windows or macOS to the latest version before TMAO supports it, your PC may not work properly.
When TMAO distributed by the ACCC becomes compatible with the latest versions of Windows or macOS, we will inform you on the ACCC Web site and at the Download Station.
Be sure to confirm the notification before updating the PC on which TMAO is installed.
For Windows 10/11, there is a page to confirm the compatibility status on the Trend Micro Web site.
Please use this page as a guideline for the next period of correspondence.
『Support plan for Windows 10/11』
https://www.trendmicro.com/ja_jp/business/os-support.html
Thank you in advance for your cooperation.
We will investigate the cause of the communication interruption failure of the backbone network equipment that had been occurring until last month.
We do not expect any communication breakdowns during the investigation, however, we let you know just in case.
Date and time： Monday, November 14, 2022 11:30- 12:00
Work contents： Investigate the cause of backbone network failure
Impact： No communication interruption is expected.
This problem has been fixed. We apologize for the inconvenience. (22/10/25)
Currently, some users are unable to log in to Download Station.
We apologize for the inconvenience, however, we are now working on this issue, so please wait for a while.
We will update the notice as soon as the system is restored.
If you are in a hurry, the following methods are also available.
We are currently experiencing frequent communication breakdowns in our backbone network.
By taking temporary measures, we are operating to reduce the frequency of communication interruptions.
To determine the cause of the failure, inspection work will be conducted on Sunday, October 30, with a 30-minute communication outage.
Communication will be suspended for a long period, we ask for your cooperation to ensure the stable operation of the backbone network.
Date and Time： Sunday, October 30, 2022 Currently scheduled from around 11:25
Work contents： Investigate the cause of backbone network failure
Impact： A communication breakdown of about 30 minutes occurred in all networks of the University of Tsukuba (including the Tokyo campus and remote areas).
The initial password for the Unified Authentication System notified to you by card or other means will expire if you do not change it within the specified period.
If you have not changed it yet, please do so immediately from the Unified Authentication System page.
(We have also announced this to the relevant persons by e-mail.)
The National Institute of Informatics has informed the maintenance of SINET, which the University of Tsukuba uses for external connections and network connections to the Bunkyo campus.
Date and time： Monday, October 10, 2022, 1:00 〜 3:00 AM
Impact： There will be breakdowns in network connections of several minutes throughout the University of Tsukuba and Bunkyo campus (including the attached school)
Date and time： Sunday, October 23, 2022, 1:00 〜 4:00 AM
Impact： There will be breakdowns in network connections of several minutes at the Bunkyo campus (including the attached school)
The only communication from the Bunkyo campus to the outside is interrupted.
There is no effect except for the Bunkyo campus.
The trouble with the Web and e-mail service at the ACCC has been fixed at 10:00 on August 25.
We have now resumed normal service.
We apologize for the inconvenience for a long time.
Please let us know if you have any concerns about this issue.