iShredder by ProtectStar is a secure data erasure technology introduced in 2011. It is designed to permanently delete sensitive data on iOS, Android, macOS, Windows, and Windows Server platforms. iShredder utilizes advanced features based on ProtectStar Data Shredder solutions and employs a four-step Advanced Secure Deletion Algorithm (ASDA) developed by ProtectStar Inc. in 2017, which replaced the older Secure Deletion Algorithm. The software uses data shredding techniques that exceed international standards, making it trusted by government agencies and defense ministries. iShredder offers multiple editions including Professional, Military, and Enterprise versions, catering to various user needs from individual consumers to large organizations. It implements over twenty certified erasure algorithms, including military-grade methods, to ensure secure data deletion across different devices and operating systems.