News & Announcements
Suspicious Email Disguised as Notice from Asahi Net (November 2, 2026)
Asahi Net, Inc.
Thank you for using Asahi Net.
We have been receiving reports of suspicious emails disguised as notices from Asahi Net.
Such emails mentioned in this support news are not sent by Asahi Net.
If you receive any similar email, please do not open the attachment or access the written URL.
1. Example of suspicious email
We have been receiving reports of suspicious emails since October 2026.
Examples of subject line
Important: Urgent notice regarding security incident and apology
Example of main body
The body of such emails disguised as being from Asahi Net is expected to be in Japanese only.
2. To Asahi Net members
If you receive a suspicious email, please be aware not to open the attachment. Also, do not access any URL written in such an email.
To check your Asahi Net contract information and billing statement, please log into your My Page via the Asahi Net website (https://asahi-net.jp/en/).
If you access a URL written in such an email or if you entered your Asahi Net password, please change your password to prevent being compromised.
See the following page for more details on how to change your password.
Security measures
Asahi Net’s security measures are explained on the following pages.
- Member Support: Hidden Internet Risks and How to Manage Them
- Member Support: The number of unwanted spam/malicious email is increasing!
Please also refer to information issued by information security organizations and take full security measures.
▼Anshin Sodan Madoguchi-dayori (Contact for Safety Consultation) issued by the Security Center, Information-technology Promotion Agency, Japan (IPA)
- Don’t easily believe the sent address information of an email(Only in Japanese)
3. Inquiries regarding this announcement
Asahi Net English Customer Support
If you have any inquiries, please contact us.
Thank you for using Asahi Net and we look forward to continuing to serve you.