About NGK

Prohibit the Use of Password-Encrypted Email Attachments in Our Company

November 9, 2023

As part of our measures to enhance security against malware such as Emotet, NGK Insulators, Ltd. (hereinafter referred to as NGK) will discontinue the use of password-encrypted file attachments in emails after November 27, 2023.

Accordingly, the way of exchanging files by emails will be changed as follows;

The way of exchanging files

In the case where business partners send our company emails with attached files

Please note that the emails with password-encrypted attachments like Zip ones, a series of Office ones, or PDF ones will be quarantined by our security systems so that NGK will not be able to receive them any longer. Ask our employees about how you send the files other than emails if you would like to send the confidential files.

In the case where our company send business partners emails with attached files

NGK will also change to a different method when sending emails with attachments. Regarding its use, NGK will individually make a contact with each business partner.
NGK highly appreciates generous understanding and cooperation of our business partners.


If you have any questions, please contact us here

ICT Department, Digital Transformation and Innovation Division