SUMMARY: A Certificate of Erasure documents how, when and by whom data was wiped, along with verification that it cannot be recovered. This blog covers what information a valid certificate must include, how certificates differ for full-disk and selective erasure, and when documented proof is legally expected. Readers will gain a clear understanding of how Certificates of Erasure support compliance, as well as how to generate them using data wiping software.
When an auditor asks for evidence of data disposal, a verbal confirmation isn’t enough. Data wipe software with certificate gives compliance teams the documentation they need: a tamper-proof record that proves erasure happened.
Before we dive into Certificates of Erasure, it might be helpful to know that many vendors use the word “certificate” to describe their own product credentials, i.e., what standards their software has been verified to meet. Worth knowing, but it’s not what most IT and compliance teams are looking for. Instead, the focus here is on the kind of certificate that proves data erasure took place.
In this blog, you can find out what certificates must include for both full-disk erasure and selective data removal, when they are legally required, and how they can be generated and customized with data wiping software.
What Is a Certificate of Erasure?
A Certificate of Erasure (CoE) is an official audit document that verifies data has been securely and permanently removed from a storage device. It confirms that erasure was performed with due diligence and that the data cannot be retrieved, even with the use of advanced forensic tools. Certificates also serve as evidence that operations were carried out in a way that’s compliant with data protection regulations, such as the GDPR.
Unlike Certificates of Destruction, which apply to full-disk erasure, Certificates of Erasure cover a broader range of erasure operations.
What Information a Certificate of Erasure Must Include
To make sure your CoE is valid, you should check that the following information is included:
- A unique report number, certificate number or digital identifier
- Serial and model numbers of the device
- Method of data sanitization used, including the wiping standard applied and number of overwrite passes
- Type of verification used
- Name and version of the software used for data erasure
- Name of the individual or system that performed the sanitization
- Signature of the official that verified the process
- Date, time and duration of operation
While not compulsory, it’s worth noting that certificates for full-disk erasure including digitally signed or tamper-proof logs add an extra layer of credibility by proving reports haven’t been altered or falsified in any way.
When Is a Certificate of Erasure Legally Required?
Most regulations don’t specifically ask for a “Certificate of Erasure.” What they do require is something more important: proof that sensitive data was permanently and securely removed.
In practice, organizations need to demonstrate this during audits, investigations or internal reviews. Without documented evidence, it’s difficult to prove that data disposal policies were actually followed. A Certificate of Erasure provides that proof in a clear and verifiable way.
#1 Regulatory & Legal Compliance
Data protection regulations commonly require evidence of secure deletion. For example, GDPR and the CCPA require organizations to demonstrate that personal data has been permanently removed when it’s no longer needed for the reasons that it was collected.
In financial services, DORA sets expectations for secure data handling and disposal, including the need for verifiable processes. Similar requirements apply across sectors through national data protection laws and regulatory frameworks. For all other private organizations, the IEEE 2883-2022 Standard for Sanitizing Storage serves as the de facto standard.
Regardless of your sector, a valid Certificate of Erasure is what demonstrates your organization met its obligations.
#2 Internal Governance & Auditing
For both internal and external audits of data disposal processes, Certificates of Erasure are needed to prove that data has been effectively removed using appropriate sanitization techniques. Without documentation, organizations are relying on trust rather than verifiable proof.
#3 IT Asset Disposition (ITAD)
Any organization that relies on an ITAD (IT Asset Disposition) partner for media sanitization should receive a Certificate of Erasure to be sure that data was handled properly.
It’s worth noting that not all ITAD providers include a proper Certificate of Erasure as standard. Some offer only a generic confirmation that services were performed, which may not hold up under audit scrutiny. If your provider can’t supply a verifiable certificate then that should be addressed immediately.
If you are donating computers to non-profits, then your organization is responsible for producing the CoE to confirm systems were fully wiped beforehand.
How Data Erasure Software Generates Certificates of Erasure
Generating Certificates of Erasure is a standard feature of most reputable data wiping tools. However, the type of certificate your tools will create depends on the type of erasure that was performed.
In general, there are two main types of data erasure:
- Full-disk erasure, where a drive or system is wiped. Reports generated after full-disk erasure typically confirm that the entire storage device was sanitized, including details such as the drive identity, wiping method and verification results. Certificates are most important when devices are being decommissioned, reused or handed over to a third party, where proof is needed to show that no data remains.
- Selective erasure, where specific files, folders or data traces are removed. Here, the focus is on what was targeted, for example specific files, free space or traces of user activity, along with how the data was removed and verified. This approach is especially relevant when only certain information needs to be erased, such as in response to data protection requests like the Right to Erasure under GDPR.
These two approaches serve different purposes, and the certificates reflect that. In both cases, the process follows the same path: the software performs the wipe, verifies the result and then generates a report that documents the operation. The report, in turn, becomes the Certificate of Erasure.
Data Wipe Software with Certificate: Jetico Solutions
Trusted by organizations worldwide for 20+ years, including the U.S. Department of Defense, Jetico provides solutions for both selective data erasure and full-disk sanitization.
Selective Data Erasure with BCWipe
BCWipe is designed for targeted data removal on active systems, allowing organizations to erase specific files, folders, free space and residual data without affecting the rest of the device. If you’re dealing with compliance, for example, this makes it easy to handle GDPR Right to Erasure requests.
Certificates generated after selective erasure operations clearly document what was removed, how the erasure was performed and whether the process was successful. Reports can be customized to support compliance with your regulation of choice, such as GDPR and the CCPA.
Full-Disk Erasure with BCWipe Total WipeOut
BCWipe Total WipeOut is Jetico’s solution for wiping entire drives beyond forensic recovery, whether that be HDDs, SSDs, Macs or NVMe devices. If you’re looking to securely decommission systems before they are resold, recycled, donated or handed off to an ITAD partner, BCWipe Total WipeOut ensures that no information remains on the device.
Certificates generated after full-disk erasure are tamper-proof and digitally signed, confirming that reports remain unaltered from the moment they are created. Reports provide a complete record of the wiping process, including device details, erasure method and verification results.
Clear Proof of Erasure for Any Scenario
Whether data is removed selectively or entire devices are wiped, Jetico’s solutions provide certificates that serve as clear, verifiable proof of erasure. Reports allow organizations to easily demonstrate compliance, support audits and maintain control over how sensitive data is handled throughout its lifecycle.
To discuss your use case and certificate requirements, get in touch with our Data Protection Specialist.
Frequently Asked Questions (FAQs)
A Certificate of Erasure documents a specific wiping operation and proves that data was permanently removed from a particular system at a particular time. Vendor certification, on the other hand, confirms that an erasure tool itself has been tested and validated against defined standards.
No. Some tools wipe data without generating any formal documentation. Organizations that need audit evidence or are in need of demonstrating regulatory compliance should verify that their erasure software produces Certificates of Erasure. BCWipe for selective wiping and BCWipe Total WipeOut for full-disk wiping are examples of tools that can generate such certificates.
Yes. Some tools, including BCWipe Total WipeOut, support tamper-proof reports with digital signatures. These prevent unauthorized modification and allow auditors to verify that a report is authentic: a feature particularly useful in regulated environments where documentation must be preserved over time.
GDPR does not use the term “Certificate of Erasure” explicitly, but it does require organizations to prove that personal data has been securely and permanently deleted when retention periods end. Practically speaking, obtaining a Certificate of Erasure is the best way to do this.
Without a certificate, proving that sensitive data was properly erased becomes very difficult, which can lead to failed audits and regulatory penalties. From an auditor’s perspective, the lack of documentation is typically treated the same as a lack of erasure, meaning your organization may be held accountable regardless of whether the data was actually removed.