Internet Security Software

Note: Using updated versions of linux it is not necessary to run an anti-virus program. Take a good look at the other stuff though.
- Applications tested with Ubuntu (natty - unity) -

Linux Security. Introduction

Anti Malware:

Clamav - anti-virus application for linux.
http://www.clamav.net/lang/en/download/packages/packages-linux/

Clamtk - Graphic user interface for clamav.
http://clamtk.sourceforge.net/faq.html#what_is_clamtk

Bitdefender - anti-malware scanner for linux.
http://www.bitdefender.com.au/business/antivirus-for-unices.html

Jotti's malware scan - free online service that enables you to scan suspicious files with several anti-virus programs. Scanners used are Linux versions.
http://virusscan.jotti.org/en

Firewall:

Firestarter - Firewall for general use.
http://www.fs-security.com/

CloudPassage - Cloud based server firewall.
https://portal.cloudpassage.com/support

Other Security Applications:

Prey anti=theft

RK Hunter - detect rootkits.
http://www.rootkit.nl/projects/rootkit_hunter.html

Tracking Cookies. - forum thread.
http://ubuntuforums.org/showthread.php?t=1714769

AppArmor - Information.
http://ubuntuforums.org/showthread.php?t=1008906

Internet Traffic Monitor and reports. - Control your bandwidth and see whats happening.
http://netramon.sourceforge.net/eng/index.html

ubuntu tweak - Allows more system control.
http://ubuntu-tweak.com/about/

Bleachbit - frees disk space, removes hidden junk, guards privacy. Erase cache, delete cookies, clear Internet history ..
http://bleachbit.sourceforge.net/

online cloud applications.

OpenDNS - anti-malware DNS server. (Web Filtering, Phishing/Botnet Protection)
http://www.opendns.com/start/
change DNS settings in Ubuntu: click

DNS Servers. Alternative DNS servers with security and privacy benefits.
DNS LIST

Fastun - proxy server
http://fastun.com/

Analyse your internet connection (what websites see when you visit them)
http://privacy.net/analyze-your-internet-connection/

Safego (facebook) - scans your facebook for malware.
http://apps.facebook.com/bd-safego/

Verify Flash Version
http://kb2.adobe.com/cps/155/tn_15507.html

Flash control panel:
Set security and privacy settings in Flash.
http://www.macromedia.com/support/documentation/en/flashplayer/help/settings_manager09.html

verify java version
http://java.com/en/download/installed.jsp

Browser Extensions.

Last Pass - cloud based password management.

xmarks - cloud based bookmark management.

Facebook Disconnect - stops facebook tracking you.

Anonymous Proxy - Uses anonymous proxy server to hide your IP. (opera)

Disconnect - Stop third parties/search engines tracking the webpages/searches you do.

Securing your browser.
note this will be updated for linux use soon.
Browser settings

Encryption. An explanation and 5 encryption tools.
http://www.linuxlinks.com/article/2011040308270275/DiskEncryption.html

Backup/clone your system (inc dual-boot):
http://www.easeus.com/disk-copy/feature.htm