Couple computer questions

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DRTY
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Couple computer questions

Post by DRTY » Sun Mar 25, 2012 6:14 pm

1. I have a few hard drives to sell... how do I do it securely? As in wipe everything off them irretrievably (if you can?).

2. How safe is it not to have anti virus software on my comp? I'd quite like to not have it

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Re: Couple computer questions

Post by magma » Sun Mar 25, 2012 6:27 pm

Unless you reuse the actual space that your deleted file was taking up, it's normally retrievable.. the trick is to write new data to all the sectors on the disk a few times, so that it loses track of what was there before. Hard disks normally hold some memory of previous state for about 6 or 7 writes... something like Kill Disk (http://www.killdisk.com/) will format and loop through writing zeros to every sector a few times - job done!
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Re: Couple computer questions

Post by DRTY » Sun Mar 25, 2012 6:29 pm

ideal! Thanks :Q:

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Re: Couple computer questions

Post by Trichome » Sun Mar 25, 2012 6:34 pm

having no antivirus is relatively safe if you be careful about what you download.
but just to be safe, run a firewall and download malwarebytes (just incase you do get infected)
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Re: Couple computer questions

Post by AxeD » Sun Mar 25, 2012 6:37 pm

Trainrek wrote:having no antivirus is relatively safe if you be careful about what you download.
but just to be safe, run a firewall and download malwarebytes (just incase you do get infected)
Malwarebytes is great, doesn't take a bunch of processing speed away either.
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Re: Couple computer questions

Post by mks » Sun Mar 25, 2012 6:48 pm

You may consider running a script blocker like NoScript if you are running Firefox. You can choose which ones you want to allow. There is also an add-on called Ghostly that will block all trackers.

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Re: Couple computer questions

Post by Dub_freak » Sun Mar 25, 2012 7:10 pm

Use ad-block too
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Re: Couple computer questions

Post by DRTY » Sun Mar 25, 2012 7:42 pm

faaaaanx! Yeah I have malaware bytes installed, great software

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Re: Couple computer questions

Post by cityzen » Sun Mar 25, 2012 7:53 pm

mks wrote:You may consider running a script blocker like NoScript if you are running Firefox. You can choose which ones you want to allow. There is also an add-on called Ghostly that will block all trackers.
Is it Ghostery or Ghostly?
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Re: Couple computer questions

Post by mks » Sun Mar 25, 2012 8:46 pm

cityzen wrote:
mks wrote:You may consider running a script blocker like NoScript if you are running Firefox. You can choose which ones you want to allow. There is also an add-on called Ghostly that will block all trackers.
Is it Ghostery or Ghostly?
My bad, it is indeed Ghostery.

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Re: Couple computer questions

Post by cityzen » Sun Mar 25, 2012 9:14 pm

Either way, thanks for bringing it to my attention. A nice little ad-on :Q:
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Re: Couple computer questions

Post by bjackman » Sun Mar 25, 2012 9:42 pm

Regarding question 1, DBAN (Darik's Boot And Nuke) is the standard way of doing that (although I can't see anything wrong with KillDisk except that I don't trust a windows GUI prorgam.

DBAN will write over your data 52 times with random numbers so it definitely can't be restored. Actually one loop is probably enough: although the theory is there (and is pretty simple), the technology to recover overwritten data hasn't been developed except most probably by government organisations in secret.

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Re: Couple computer questions

Post by bjackman » Sun Mar 25, 2012 9:42 pm

Regarding question 1, DBAN(Darik's Boot And Nuke) is the standard way of doing that (although I can't see anything wrong with KillDisk except that I don't trust a windows GUI prorgam.

DBAN will write over your data 52 times with random numbers so it definitely can't be restored. Actually one loop is probably enough: although the theory is there (and is pretty simple), the technology to recover overwritten data hasn't been developed except most probably by government organisations in secret.

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Re: Couple computer questions

Post by Shepherd12 » Sun Mar 25, 2012 10:22 pm

Stay away from the child porn that we all know that you love.

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Re: Couple computer questions

Post by Ricky_Spanish » Mon Mar 26, 2012 3:19 am

DRTY wrote:1. I have a few hard drives to sell... how do I do it securely? As in wipe everything off them irretrievably (if you can?).

2. How safe is it not to have anti virus software on my comp? I'd quite like to not have it


1 Unless your a paedo or a terrorist or a top secret gov agent, why does it matter? Do you really think any random person will wait 5 hour to run a deep scan on the disk you sell them? Who the fuck buys 2nd hand disks anyway?

2 You can get away without an anti-virus, the most annoying and numerous viruses arent detected by them anyway. Malware has a nice ip blocker tho.

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Re: Couple computer questions

Post by jameshk » Mon Mar 26, 2012 8:47 am

DRTY wrote:1. I have a few hard drives to sell... how do I do it securely? As in wipe everything off them irretrievably (if you can?).

2. How safe is it not to have anti virus software on my comp? I'd quite like to not have it
Big magnet, rub it over the hard drive a few times. 8)
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Re: Couple computer questions

Post by AxeD » Mon Mar 26, 2012 1:32 pm

Shepherd12 wrote:Stay away from the child porn that we all know that you love.
Haha this guy joined the forum, made 8 quite offensive posts and got kicked of within the day :lol:
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Re: Couple computer questions

Post by Electric_Head » Mon Mar 26, 2012 1:52 pm

AxeD wrote:
Shepherd12 wrote:Stay away from the child porn that we all know that you love.
Haha this guy joined the forum, made 8 quite offensive posts and got kicked of within the day :lol:
it was James Kofi or one of them
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Re: Couple computer questions

Post by test_recordings » Mon Mar 26, 2012 2:51 pm

Yo Ghostery and Malwarebytes looks better than most commercial types e.g. Norton :lol:
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