Please use it after you are satisfied with it.

Terms of sale & use

After confirming the purchaser's identity on the purchase completion screen or the URL in the purchase email, you can obtain the ZIP and license key. It can be used on a site owned by the purchaser, and there is no set period for official updates.

Price and payment

The price is 500 yen (tax included) until December 26, 2026, 18:27 (Japan time), and 1,500 yen (tax included) after that date. It's a one-time purchase, and there are no monthly fees. Release date: October 26, 2026. The launch price is valid until December 26, 2026 at 18:27 (Japan time). Card payments are made using Stripe Checkout, and after confirming the payment, you can obtain the ZIP and license key after verifying the purchaser's identity on the purchase completion screen or the URL in the purchase email.

Plugin use and official updates

NagiShield itself is provided under GPL-2.0-or-later. The rights to use, copy, modify, and redistribute are subject to the GPL. The Seller does not restrict the acquisition, modification, or redistribution of the source code based on the GPL. Official updates can be used by registering for each site by verifying your identity using the purchaser's license key and the email address you used at the time of purchase. Official updates are available on sites owned by the purchaser, and there is no limit to the number of sites. There is no set period for providing updates. This registration verifies the purchaser's access to official distribution, official updates, and support, and does not limit any rights under the GPL.

You cannot obtain the ZIP only by using the dedicated URL of the purchase completion screen/purchase email. You will need to enter the confirmation code sent to the email address you used at the time of purchase. Download privileges will expire after a short period of time, and refunds, suspicious claims, and expired purchases will not be eligible for official updates and distribution. It does not completely prevent ZIP or key sharing. The rights of third parties to redistribute the Program under the GPL are not limited by this term.

Scope of operation and protection

Targets WordPress 6.5 or higher and PHP 7.4 or higher. This is an additional defense within the scope of WordPress operation, and does not guarantee that it will prevent all attacks or be free of intrusions. Use it in conjunction with WordPress and related plugin updates, backups, and server and CDN protection.

For the first time, please check only the detection and check the login, inquiry, order, payment, and external cooperation. Depending on shared IP and proxy settings, legitimate users may be restricted. The fundamental countermeasure against SQL injection requires appropriate prepared statements on the application side.

Handling returns, cancellations, and defects

Returns and cancellations for a change of mind are generally not accepted. Your statutory rights and remedies for a non-conforming product remain unaffected. If you encounter a problem, describe it and your environment in the contact form. Do not include passwords, license keys, or other confidential information.

Inquiries/disclosure of seller information

Contact formis available even before purchase. If you wish to have your seller information disclosed, please select "Request for disclosure of seller information". If requested, we will disclose the information without delay.