--- title: "Meaning & Key Takeaway of: In the past, security guides often…" description: "\"“In the past, security guides often suggested that it was necessary to overwrite multiple times (or “passes”). This may be true to some extent for flas..." image: "https://sms4smile.com/quotes/i/4fa/sophia-cope-160118_2017_in-the-past-security-guides-often-sugges_166312.jpg" --- # In the past, security guides often suggested that it was… ![“In the past, security guides often suggested that it was necessary to overwrite multiple times (or “passes”). This may be true to some extent for flash media, as described below, but is apparently no longer true for traditional magnetic hard drives. See National Institute of Standards and…” quote by Sophia Cope](https://sms4smile.com/quotes/i/4fa/sophia-cope-160118_2017_in-the-past-security-guides-often-sugges_166312.jpg) [Download](https://sms4smile.com/quotes/i/4fa/sophia-cope-160118_2017_in-the-past-security-guides-often-sugges_166312.jpg) [Open image](https://sms4smile.com/quotes/i/4fa/sophia-cope-160118_2017_in-the-past-security-guides-often-sugges_166312.jpg) > ““In the past, security guides often suggested that it was necessary to overwrite multiple times (or “passes”). This may be true to some extent for flash media, as described below, but is apparently no longer true for traditional magnetic hard drives. See National Institute of Standards and Technology, NIST Special Publication 800-88, Revision 1. “Guidelines for Media Sanitization” (Dec. 2014) (“For storage devices containing magnetic media, a single overwrite pass with a \[fixed\] pattern such as binary zeroes typically hinders recovery of data even if state of the art laboratory techniques are applied to attempt to retrieve the data.”)”” Sophia Cope ## About This Quote This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation. A single overwrite pass with a fixed pattern is sufficient to prevent data recovery on magnetic hard drives, unlike flash media which may need multiple passes. **In simple terms:** One overwrite can erase data on magnetic drives. Key Takeaway Use one pass for magnetic media sanitization. Themes cybersecurity data security privacy technology storage overwrites Mood practical informative Type technical instructional When to use this quote - IT asset disposal - data breach prevention - hardware recycling Key Concepts media sanitization data destruction hardware differences Questions to Reflect On - What storage media are you sanitizing? - Do you verify data destruction after overwriting? A Different Perspective Multiple passes may still be required for flash or SSDs. ★ ★ ★ ★ ★ No ratings yet [Cybersecurity](https://sms4smile.com/quotes/about/cybersecurity/) [Time](https://sms4smile.com/quotes/about/time/) ## Related quotes > [“Privacy is not something that can be counted, divided, or “traded.” It is not a substance or collection of data points. It’s just a…](https://sms4smile.com/quotes/vaidhyanathan-siva/privacy-is-not-something-that-can-be-counted-divided-or-traded-it-is/) Vaidhyanathan Siva > [“You should be able to reconcile past events in a matter of seconds. 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