Redkey USB Ltd. is a British software company established in April 2018 after a crowfunding campaign on Kickstarter. The company specializes in creating proprietary utilities for secure data erasure. Its main product, the Redkey USB,^[1] is designed to securely erase data from a variety of storage devices.

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Redkey USB Ltd. has engaged in several crowdfunding campaigns on Kickstarter and Indiegogo platforms to fund its developments:

• Redkey USB V1: Launched on Kickstarter^[2] in March 2018 and later on Indiegogo, raising a total of £11,901 from 304 backers.
• Redkey USB V2: Subsequent campaigns on Kickstarter^[3] and Indiegogo^[4] from December 2018 to November 2019, raising £92,651 from 1851 backers.
• Redkey USB V3: A 2020 Kickstarter^[5] campaign and an Indiegogo^[6] continuation in 2021 achieved a combined total of £110,230 from 2,277 backers.
• Redkey USB V4: Launched on Kickstarter^[7] in November 2022 and continued on Indiegogo^[8] until April 2022, raising £154,561 from 1,702 backers.
• Redkey USB V5: Initiated on Kickstarter^[9] in May 2023 and extended on Indiegogo^[10] to December 2023, amassing £115,594 from 1113 backers.
• Redkey USB Make/100: A Kickstarter^[11] campaign in January 2024 raised £13,817 from 104 backers.

The company's software was accredited by ADISA in 2020, achieving Test Level 1 for HDD & SSD devices, later enhanced in 2023 to include Test Level 2 and Test Level 1 for Apple & Android mobile devices.^[12] ADISA certifications are valid for three years.

In 2021, Redkey USB was the winner of the Global Business Excellence Awards in the Outstanding Innovation category^[13] and runner-up in the Computing Security Awards for Secure Asset Disposal Company of the Year.^[14]

In 2023, Redkey USB was runner-up in the Computing Security Awards for Secure Asset Disposal Company of the Year and winner for Security Project of the Year.^[15]

Redkey USB is a bootable live USB drive utility for secure data erasure, sold effectively as a security dongle requiring software installation by the user.^[16] Based on the Linux Debian platform, it integrates various algorithms for internal and external erasure, supporting Intel-based x86-64 PCs and Macs. It uses ATA standards to erase hidden areas, such as the DCO and HPA. Features include secure erasure, reporting, certification support,^[17] remote wiping, and various other features across several product versions.

In 2022, the company moved from a key-shaped USB design to a dual USB connector style, diverging from its original design convention and leading to user disappointment. The device is limited to erasing one device at a time due to licensing restrictions.