Can anyone explain what happens why I enable he overwrite function with BB, how does it ensure the data cannot be recovered if I overwrite a. Supercedes AFSSI , 15 April OPR: HQ AFCA/SYSS (MSgt Michael E. Bishop). Certified by: HQ AFCA/SYS (Ronald G. Goessman). title to AFSSI and changes AFCERT Advisories to Time Follow procedures in AFSSI , Remanence Security (will convert to.

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Data erasure software should [ citation needed ] also comply with requirements to erase hidden areas, provide a defects log list and list bad sectors that could not be overwritten. Unlike degaussing and physical destruction, which render qfssi storage media unusable, data erasure removes all information while leaving the disk operable.

Many government and industry standards exist for software-based overwriting that removes the data. Allow for selection of a specific standard, afsei on unique needs, and Verify the overwriting methodology has been successful and removed data across the entire device.

To protect the data on lost or stolen media, some data erasure applications remotely destroy the data if the password is incorrectly entered.

BB’s simple overwrite is not explained anywhere, why? Can anyone explain what happens afzsi I enable he overwrite function with BB, how does it ensure the data cannot be recovered if I overwrite a file on a hard disk or usb stick? This procedure should be done only by qualified and approved personnel. Because of this, many data erasure programs like DBAN are provided in a bootable format, afsei you run off of a live CD that has all of the necessary software to erase the disk.


The amount of information needing to be afdsi is less than 0. New flash memory -based media implementations, such as solid-state drives or USB flash drives can cause data erasure techniques to fail allowing remnant data to be recoverable.

Software-based overwriting uses a software application to write a stream of zeros, ones or meaningless pseudorandom data onto all sectors of a hard disk drive.

Webarchive template wayback links CS1 maint: For sanitizing entire disks, built-in sanitize commands are effective when implemented correctly, and software techniques work most, but not all, of the time. Also, ensure proper protection from inhaling the abraded dust.

List of afswi software. This makes any more than 1 Pass an unnecessary and certainly a more damaging act especially as drives have passed the 1TB mark. Then, reload from clean backup. Applies to modern magnetic media only. Software-based data erasure uses a disk accessible application to write a combination of ones, zeroes and any other alpha numeric character also known as the “mask” onto each hard disk drive sector.

Data erasure offers an alternative to physical destruction and degaussing for secure removal of all the disk data. Recommends cryptographic erase as a more general solution.

Data erasure – Wikipedia

Organized criminals in Ghana commonly search the drives for information to use in local scams. Government Communications Security Bureau. For buying the Cloth or Something see Terms and Conditions.

This page was last edited on 25 Augustat If necessary, reload from clean backup. Read more about BB’s simple overwrite is not explained anywhere, why?


Aafssi logo is copyrighted under the GPL. Data on floppy disks can sometimes be recovered by forensic analysis even after the disks have been overwritten once with zeros or random zeros and ones.


The above should be done in a well-ventilated area, and personnel must wear eye protection. Destruction at an approved metal destruction facility i. Strict industry standards and government regulations are in place that force organizations to mitigate the risk of unauthorized exposure of confidential corporate and government data. German Federal Office for Information Security [16].

AFSSI | BleachBit

Archived from the original PDF on Find where contaminating information is written. Anti-computer forensics Crypto-shredding Darik’s Boot and Nuke Data recovery Data remanence Electronic waste File deletion Gutmann method List of data-erasing software Physical information security Sanitization classified information Securitymore generally. Make certain that the entire recording surface is completely removed before disposal.

Retrieved 6 January Good software should provide verification of data removal, which is necessary for meeting certain standards.

Failure to comply can result in fines and damage to company reputation, as well as civil and criminal liability. Purge every system on the LAN and contaminated backups. Air Force System Security Instruction [13]. Department of Computer Science, University of Auckland. Application of an abrasive substance emery wheel or disk sander to arssi magnetic disk or drum recording surface.