Can data ever truly be deleted?

There's a common assumption in IT that a factory reset or standard software wipe is the end of the road for a device's data. It isn't. Research suggests a large proportion of used hard drives — commonly cited at around two in three — still contain recoverable personal data after a basic wipe. With the average UK data breach now reported to cost well over £3 million, treating disposal as an afterthought is a real business risk, not a technicality.

The illusion of deletion

Most standard erasure tools are like removing the table of contents from a book: the chapters are still there if you know how to turn the pages. A factory reset in particular will often skip a damaged or "bad" sector on a drive, leaving whatever was stored there untouched and waiting to be found.

Why this is also the foundation of reuse

Security is what makes sustainability possible here, not something traded off against it. Every device that leaves your site enters a traceable chain of custody, with every serial number logged. Our software verifies the entire surface of a drive; if a single part can't be verified as wiped, the device is flagged for physical destruction rather than passed on. That verification is what turns a device from "recyclable waste, probably" into a genuinely reusable asset — and it's why so much hardware gets shredded unnecessarily by organisations who aren't confident their wipe actually worked.

Reusing rather than replacing a single laptop saves around 138kg of CO2 by our own model. Multiply that across a fleet and it adds up fast — our clients' confidence in the sanitisation is what let us save an estimated 500 tonnes of CO2 in just three months^* through reuse rather than replacement.

^*Calculated using our earlier (v1) CO2 methodology; treat as directional rather than the current published figure.

The gamble versus the guarantee

A factory reset offers no proof that it worked. Our process is different by design: full-surface verification, a Certificate of Data Destruction for every asset, and physical destruction as the fallback rather than a skipped step. That's the audit trail a compliance team can actually stand behind.

Improper disposal carries real regulatory exposure too — UK GDPR fines can reach 4% of global turnover. Read our full data destruction standard, or book a collection to see it in practice.