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Free Encryption and
Computer Security
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Contents
Free File Encryption
Free Disk Encryption
Free Email Encryption
Free Steganography
Free Password Managers
Free Firewalls
Free Anonymous Surfing
Free Computer Vulnerability Tests
Free Anti-Rootkit Software
Free Security Suites
Data Wiping Tools
Security related Websites & Resources
Related Freebyte Pages
Information wanted!
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TreePad X Enterprise
384 Gigabyte Personal Information Manager and Word Processor.
Intuitive and versatile, including Website Generator, spellchecker, thesaurus, attachments, search engine, recycle bin, and much more!
Click here to get the free evaluation version.
 
Free File Encryption
AxCryptFreeware open-source file-encryption software for Windows.
CrypToolCrypTool is a freeware educational program which enables you to apply and analyze cryptographic mechanisms. CrypTool has implemented almost all state-of-the-art crypto functions and allows you to learn about and use cryptography from within a single environment.
Cryptainer LECryptainer creates a secure archive (= an encrypted container or a vault) to store any type of data. It uses 128 bit encryption. Files can be added to or extracted from the archive through a simple drag and drop operation. It also functions on removable disks such as USB drives. The archive you create is self extracting. This means that the recipient does not have to have any special software to decrypt the files. Freeware, for Windows.
File Vault You can create a secure archive of files with this utility. Ideal for sending secured information over the internet or on disks. The archive you create is self extracting. This means that the recipient does not have to have any special software to decrypt the files!!
FreeSecurityFreeware 128bit AES file encryption program. It is created using Java, so it runs on: Linux, MAC, Windows and Solaris.
GPGeeA shell extension for Windows explorer that acts as an assistant for using GnuPG/GPG. It integrates itself into the context menu that appears when you right-click on a file and adds a new menu with functions to allow you to sign and/or encrypt any file.
KPKFileProvides security for your sensitive files by encrypting and hiding them. It also offers the option of burying the encrypted files within other files, such as a Microsoft Word document or a bitmap image. Freeware for Windows.
Parisien Encryption
Tools (PET)
PET is suite of Encryption Tools including PFE (single-file encryption), File Vault (self-extracting multi-file archiver with encryption), VGP Editor (text editor with encryption), VGP Clipboard Encryption, and PVE Voice Encryption System, all using the same powerful blowfish encryption routines. It also includes a Secure Disk Wipe utility and a Secure File Wipe utility for permanently removing files.
Freeware, for Windows.
 
Free Disk Encryption
Dekart Private
Disk Light
Dekart Private Disk Light allows you to create a secure space for all your work, exchange encrypted data with others, It creates one or more secure virtual disks on your hard drive. Information stored in this secure area is automatically encrypted and may only be decrypted by entering the correct password. Without the password, the information from a secure disk cannot be accessed and decrypted. Freeware for Windows.
TrueCryptFreeware, open-source disc encryption software for Linux and Windows XP/2000/2003. TrueCrypt can create a virtual encrypted disk inside a file and mount it as a real disk
CryptoExpert LiteFreeware for Windows. Creates encrypted virtual disks and these disks are visible as usual disks with drive letters The data stored on a CryptoExpert disk is stored inside a container file.
ScramDiskScramdisk is a free program for Windows 95 that allows the creation and use of virtual encrypted and password protected drives. These drives can be accessed like normal (hardware) drives.
The program is also able store data into the the low bits of an WAV audio file. Includes full source code.
 
Free Email Encryption
gnuPGFreeware and open source replacement for PGP. Does not use any patented algorithms.
Algorithms supported: AES, ElGamal, DSA, 3DES, Blowfish, Twofish, CAST5, MD5, SHA-1, RIPE-MD-160 and TIGER.
Runs on Windows, Linux, Free BSD, Open BSD, Net BSD, etc.
Freeware PGP versionsFreeware PGP file/email encryption editions for a variety of platforms.
 
Free Steganography
The software in this section enables you to hide (insert) data inside images (and other files) so that the presence of the information becomes invisible to others.
In general: "Steganography" enables the creation messages in such a way that the existence of the message is hidden to anyone but the recipient.
BitCrypt Free Freeware program for Windows, allowing encryption of plain text within bitmap image. What it does is to modify the individual pixel shadings of the image, and in this way to incorporate the information related to the text being encrypted. The modifications of the image are so small that the effect is not perceptible to the human eye.
OutGuessCan hide information in JPEG and PNM images. OutGuess preserves statistics based on frequency counts. As a result, statistical tests based on frequency counts on JPEG images are unable to detect the presence of steganographic content.
wbStegoEncrypts and hides information in bitmaps, text files, HTML files and PDF files.
 
Free Password Managers
RoboFormA free password manager for Windows, which can also fill in Web forms. Many features, such as: auto-fill passwords in login form, click Login button for you, fills in personal info into online forms, etc.
 
Free Firewalls
FirestarterFreeware open-source firewall for Linux with graphical user-interface.
Kerio Limited free editionFor Windows home users, Kerio Personal Firewall 4 is available in two flavors - the full edition and the limited free edition. More information.
Omniquad Personal
Firewall Freeware
Free personal firewall for Windows created by Omniquad.
Outpost Firewall FREEFree firewall for Windows. Created by Agnitum. The PRO version (non-free) has a number of additional features.
Comodo FirewallFree firewall for Windows 2000 and Windows XP SP2.
Premidius Firewall LiteFree firewall for personal use. Windows.
R-FirewallFreeware firewall for Windows, with many features.
SensiveGuardFree firewall for personal use. Windows 2000, XP.
x-Wall SeriesNon-free security software package, but the firewall component is free.
AppArmorSecurity suite for Linux, freeware, open-source. AppArmor is also very useful for preventing scripts and programs running on Webservers from being hacked and exploited.
Zone Alarm
(Basic version)
Free basic PC desktop firewall for Windows.
Home PC Firewall GuideIndependent reviews of Internet security and privacy-related products.
 
TreePad X Enterprise
384 Gigabyte Personal Information Manager and Word Processor.
Intuitive and versatile, including Website Generator, spellchecker, thesaurus, attachments, search engine, recycle bin, and much more!
Click here to get the free evaluation version.
 
Free Anonymous Surfing
Peak40.comFree anonymous Websurfing. Works perfectly, including Javascript.
PrivaxA network of free web proxy sites. It enables anyone in the world to surf anonymously online. By using any of the affiliated sites, you can surf the net under an anonymous IP address.
the CloackFree anonymous Websurfing. Excellent service.
Site Todd.comFree anonymous Websurfing. You have to scroll down the page to find the place to enter the URL.
 
Free Computer Vulnerability Tests
These services test whether your computer is open for attacks from other computers connected to the Internet through a process called 'port scan'.
You can protect your computer against these attacks through a firewall.
Shields Up!Shields Up! tests your computer for vulnerabilities from outside attacks through the Internet. You do not need to install anything.
 
Free Anti-Rootkit Software
A rootkit is a set of utilities which can run hidden on a computer system, often with the intention of providing secret access to (and control over) the computer's operating system. Usually hackers, viruses, worms and other malicious entities use rootkits to hide their presence on infected systems.
AVG Anti-Rootkit freeFreeware software for detection and removal of rootkits by AVG. Runs on Windows.
F-Secure BlackLight BetaTime-limited rootkit detection and removal program for Windows 2000, 2003 and XP.
Rootkit Detection and RemovalPage with useful links and information on detecting and removing rootkits.
Rootkit Hook AnalyzerIdentifies all processes which are 'hooked' into the operating system kernel ('kernel hooks'). Some of these hooks may be legitimate, some might be malicious.
Suitable for Windows XP, 2000 and 2003.
RootkitRevealerA free root kit detection utility for Windows NT 4 and higher which detects all persistent rootkits published at rootkit.com.
 
Free Security Suites
FREE CompuSecFree suite of security solutions designed to protect desktops and notebooks: pre-boot access control with password, hard disk encryption, file encryption, encryption of removable disks, SafeLan. It can be deployed as single user installation or centrally managed.
Freeware for Linux and Windows.
 
Data Wiping Tools
If you need to remove sensitive data totally from your harddisk, simply deleting these files is not enough! Using advanced methods, it is even possible to recover data that's been overwritten, unless it has been overwritten using carefully selected platterns!
Operating systems usually do not totally delete the file, but just mark the file as being 'deleted' so it can not be accessed when you view the contents of a directory. This means that you can not see the file anymore with normal tools, but specialized recovery tools can still access your data.
To prevent this from happening, you need to totally erase your files, using one of the specialized data removal tools you can find in this section. These removal tools totally erase your data by replacing the contents of your files with effective data-patterns before deleting them the normal way.
After WorkFree Windows utility which can be used to wipe sensitive data from your computer, such as: temporary internet files, IE history, visited sites, opened documents, started programs, temporary registry values.
CleanDiskNon-free. Total deletion of files, clean the Windows swap file, clean temporary files. Contains disk viewer to view the real contents of your disk including 'deleted' entries. Suitable for Win95, Win98, WinME, WinNT, Win2000, WinXP.
EraserFreeware for Windows. Eraser can remove sensitive data from your hard drive by overwriting it with carefully selected patterns. You can drag and drop files and folders to the on-demand eraser, use the convenient Explorer shell extension or use the integrated scheduler to program overwriting of unused disk space or, for example, browser cache files to happen regularly, at night, during your lunch break, at weekends or whenever you like.
HandyBits file shredderFreeware for personal, non-profit use. Can overwrite files with random data up to 15 times. Multi-language support, integration with Windows Explorer, with icon on desktop to use as recycle bin, etc.
How to destroy a CD or DVDDon't just throw away your CD's and DVD's when they contain personal or sensitive data. First you need to make sure that the data is unretrievable.
KillDiskHarddisk, floppy and partition eraser. Free and non-free editions are available.
No File RecoveryFree disk wipe utility for Windows.
SuperShredderFreeware. SuperShredder gives you the ability to delete files using not only common methods such as Gutmann and NISPOM (DoD), but can be completely customized to give you all the security and/or performance you may need. It can receive files via drag-and-drop onto the application or the icon, selecting files from inside the program, command line, and can even add a shortcut to your 'Send To' menu inside the Windows Explorer so it's simple to delete files in a secure and convenient fashion.
 
Security related Websites & Resources
All Internet SecurityDirectory which is aimed at both PC and Macintosh users and security professionals.
Broadband
Security forum
Discussion forum on security and privacy-related matters.
Free ClickFree PC security utilities, such as anti-virus programs and anti-spyware.
HackingAlert.comExpert Tips to Deal with Hacking.
NewOrderComputer security and networking portal.
Offensive ComputingMalicious code research, information and analysis
SecurityFocusThis Website is designed to facilitate discussion on computer security related topics, create computer security awareness, and to provide a comprehensive database of computer security knowledge and resources to the public. It also hosts the BUGTRAQ mailing list.
 
Related Freebyte Pages
Free Anti-virus SoftwareBelieve it or not, there are many good anti-virus programs you can download and use for free! Also: free firewalls, very useful trial anti-virus program versions, anti-virus software tests, links to specialized anti-virus sites, etc.
Free Anti-SpywareFree utilities to detect and remove spyware.
Free Anti-Spam ToolsFree spam-filter services, free anti-spam software, free spam-reporting services, free anti-spam email services, free server-side anti-spam tools, etc.
Free File and
Disk Utilities
Disk catalog programs; backup, compression, split and zip programs; disk search engines, disk management utilities, remote file storage services, data recovery tools, data wipe tools, downloadable boot disks and more.
Free System and
Administrator utilities
Free process viewers, system analysis tools, network monitoring tools, registry tools, task schedulers.
Free Software
created by Freebyte
Free Personal Information Managers, free File and Disk Utilities, free Address Books, free eBook Software and more. All created by Freebyte.com.
Free Technical SupportFree technical support for all computer-related issues: Hardware, software, PC, Windows, MAC, PDAs, Linux, drivers, Modems, dll's, virus.
Free drivers, dll's,
and bios upgrades
Find your missing system file (dll, vxd, ocx, driver, etc.) or BIOS upgrade, and download it for free.
Free Operating SystemsFree operating systems, such as: Linux, FreeBSD, Windows clones, emulators and much more. Also: interesting alternative commercial operating systems.
Free Programming ToolsFree programming tools for Windows, Linux, etc. Free C++, C, Delphi, Basic, Assembler, Cobol, Pascal, Java, SQL, Databases; links to free compilers, databases, interpreters, IDE's, installers, components, libraries, languages, helpfile generators and more.
Software sitesA large list of freeware sites, freebie sites, shareware sites and software search engines.
 
Also check out these freeware programs!
TreePad LiteFree organizer/information manager
exe-eBook CreatorFree eBook compiler
Freebyte BackupFree backup program
Fast File RenamerFree multiple file renaming tool
Custom Addressbook LiteFree addressbook
DisktectiveFree Disk-space reporting tool
Harddisk Search and StatsFree search engine for your harddisk
Freebyte ZIPFree zip/unzip program
 
Information wanted!
If you know of any good programs, utilities or services be listed on this page, please let us know!
 
About this page
Last updated on August 02, 2008

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