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Does File Encryption Protect Files Against Keyloggers?

by Rain_of_Heavenly_Fire / January 14, 2010 6:14 AM PST

Just as subject questions, does file encryption protect files against keyloggers?

I have the best antivirus, and I recently got truecrypt.org's encryption software. Encryption is the safest defense in the world of file protection. I see it protecting against all viruses except for keyloggers. Keyloggers record key strokes, so it would seem the file encryption is useless seeing it's password protected, and all a keylogger has to do to get by the dynamic gold standard file security is wait until you type in your password. Sure I am very careful with what I download, I run file scans, but should I ever get a keylogger, does encryption protect my files?

Also more importantly and broadly, just how great does encryption protect my files against viruses? Does it protect against all viruses? If not, please briefly explain.

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There are keyloggers that can bypass encrypted files or...
by Donna Buenaventura / January 14, 2010 11:17 AM PST

connection. You need to keep your PC clean from any type of keylogger and malware. Encrypting should help to keep private. Use strong passphrase when encrypting and keep your encryption software up-to-date. If there's vulnerability in encryption software, be aware of the work-around.

Virus and Encrypted files: You need to use strong passphrase that no other person or not done by any application. That will be hard for virus or malware to crack but if the virus/malware affects the system e.g. Gpcode.ak virus then your encrypted files is affected unless you able to recover from the virus.

Store the encypted files in safe location.

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As you noticed keyloggers could ...
by Edward ODaniel / January 15, 2010 2:47 AM PST

easily obtain the necessary password to access the encrypted files.

Encryption will NOT protect files from a virus or a trojan as it doesn't need to be read to be infected or deleted.

just to prove this to yourself you can create a small test file and encrypt it. Now OPEN the encrypted file in a text editor such as notepad or edlin and either alter or add a single letter or a whole sentence then save the file. Now try to decrypt it. What happens? (Note - re-opening the file in the text editor and changing it back normally doesn't fix things - the file is trashed.)

Encryption only protects the file from unauthorized use or display but it doesn't protect the file from anyone who has access to the file from destroying the file - that is the bailiwick of file permissions.

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It does help
by R. Proffitt Forum moderator / January 15, 2010 2:57 AM PST

Companies that are in the business of data recovery. After helping so many pull their files back from the edge, my thought is still "we only lose what we didn't backup." EFS or the Encrypting File System and other encryption method seem like a good idea until you perform a test on the system.

You walk in and remove the hard drive and put in a blank. Will they be able to get their files back?

What good is this security if you forgot to backup?

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evading keyloggers
by davidwholt / January 16, 2010 8:30 AM PST
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Which is why we use these->
by R. Proffitt Forum moderator / January 16, 2010 8:35 AM PST
In reply to: evading keyloggers
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