Cryptomator encrypts your data so that you can synchronize it with a cloud without the cloud provider being able to read it. To redeem a coupon, you need to click through the regular checkout process for the Cryptomator for Desktop supporter certificate (choose the €14,99 license) or the Android app. Select „Add Discount“ and enter the purchased code. You can find Cryptomator's terms and conditions here. We are an official reseller of Cryptomator.

Koofr offers cloud storage that you can access over the web, with the Koofr apps, or via protocols like WebDAV or rclone – perfectly suitable for syncing or backup. Koofr works great with Cryptomator, which encrypts your data before uploading. Voucher codes can be redeemed in the Koofr Web App in the menu item „Upgrade account“. Redeeming multiple vouchers of the same value credits your account for multiple years. Entering a higher-value voucher code will upgrade your account, shortening your previously paid time accordingly. The vouchers are valid for one year from the date of purchase. You can find Koofr's terms and conditions here. We are an official reseller of Koofr.

Learn how to manually find and exploit vulnerabilities in online systems with PentesterLab. While their free exercises are great to get started, a Pro subscription gives you access to more than 400 challenges and help from PentesterLab's friendly support. Each gift card is a web address. Just open it to redeem it. You will be asked for an email address. The vouchers are valid for at least two years from the date of purchase. You can find PentesterLab's terms of service here. We are an official reseller of PentesterLab.

For many years, IntelTechniques has been providing in-depth guidance, training and tools for anyone who wants to protect their privacy or is interested in open-source intelligence. They bundle their knowledge and experience in these e-books. You are buying a voucher code from us. Go to inteltechniques.com and navigate to the book you purchased. Click the "Buy" button, then choose "Got a code?" and enter the voucher code. To receive the PDF file and updates, you must also enter an e-mail address at inteltechniques.com.

addy.io (formerly AnonAddy) is an open-source email forwarding service to protect your email address. The voucher code upgrades your account to a Lite or Pro account for the given duration or extends your current subscription accordingly. Log in to your account and redeem the voucher at „Subscription“. Redeeming multiple vouchers of the same value credits your account for multiple years. Redeeming a Pro voucher in a Lite account will upgrade your account, shortening your previously paid time to one third. The vouchers are valid for at least two years from the date of purchase. You can find addy.io's terms of service here. We are an official reseller of addy.io.

SimpleLogin is an open-source email forwarding service to protect your email address. The voucher turns your new or existing account into a premium account for the given duration or extends your subscription accordingly. Log in to your account and redeem the voucher at „Upgrade“. You can find SimpleLogin's terms of service here. We are an official reseller of SimpleLogin.

With built-in encryption and open source code, Tuta (formerly Tutanota) claims to be the world's most secure email provider. Each gift card is a web address. Just open it to redeem it. The gift card is valid for at least two years from the date of purchase. It is only valid for personal subscriptions, not for Tuta's business offers. You can find Tuta's terms and conditions here and their gift card terms here. We are an official reseller of Tuta.

IVPN helps you keep your online activity, identity and location secret. Just install the IVPN app or set up WireGuard, OpenVPN or IPSec. To redeem a voucher, first log in with your account ID or create a new account with one click. Redeem the voucher at Payment or follow the instructions from the Voucher cards FAQ. The vouchers are valid for at least two years from the date of purchase. You can find IVPN's terms of service here. We are an official reseller of IVPN.

Little Snitch is a personal firewall for macOS which gives you full control over outgoing network connections. Define which applications can connect to what servers, and get warned if they try to do something else. To get the license key, redeem the coupon code here. You will be asked for a name and an email address. Then download the software here. Coupons are redeemable for the specified version of Little Snitch only. They are valid as long as the specified version is available. You can find the terms and conditions of the manufacturer here. We are an official cooperation partner of them.

Mullvad VPN helps you keep your online activity, identity and location secret. Just install the Mullvad app or set up WireGuard or OpenVPN. To redeem a voucher, first log in with your account number or create a new account with one click. After that, click on „Voucher“ and enter the code. The vouchers are valid for at least two years from the date of purchase. You can find Mullvad's terms of service here. We are an official reseller of Mullvad VPN.

Safing develops the privacy firewall „Portmaster“ and runs the „Safing Privacy Network“ (SPN) which joins features of Onion Routing and VPN. The company has a transparent business model and the code is open source. To redeem a voucher, first log in to your account or create a new account. After that, go to Redeem Gift Card (on the left) and enter your code into the „Redeem Gift Card“ field. The vouchers are valid for at least two years from the date of purchase. You can find the terms of service of Portmaster and SPN here. We are an official reseller of Portmaster Pro.