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Pros and Cons
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Features
System requirements
Version
Automatic updates
Antivirus protection
Anti-spyware protection
Identity theft protection
Additional capabilities
MPN
UPC
 
  • image
    Pros: free, very efficient firewall, low impact on system performance, easy installation, sandbox mode for suspicious applications
    Cons: asks users to make many security decisions, not as user-friendly as some competitors., limited tech support
    not avail.
     
    Windows XP (SP2 or higher), Vista, or Windows 7, 512 MB RAM, 400 MB disk space
    5.9
    Yes
    No
    No
    Noq
    Defense+ system monitor, auto sandbox (program isolation) technology
    N/A
    N/A
     
  • image
    Pros: powerful firewall, all-around protection, excellent antivirus, rarely bothers users
    Cons: expensive, doesn't stealth all ports from attackers, slows down boot time
     
    Windows XP or higher, 32 or 64 bit; Internet Explorer 6 or higher; 1 GB RAM (Windows Vista/7, 32bit) 2 GB RAM (Windows Vista/7, 64-bit), 512 MB RAM (Windows XP); 480 MB hard drive; 800 MHz or faster processor (Windows XP), 1 GHz or faster processor (Window
    N/A
    yes
    yes
    yes
    yes
    Phishing protection, virtual keyboard, anti-spam, parental controls, Safe Run, parental controls, password manager, file shredder
    KIS1203121USZZ
    736211601889q
     
  • image
    *Est. $25
    Pros: defends against inbound and outbound connections, protects local files as well, network monitor logs network activity, user-friendly interface and installation
    Cons: some experts question its necessity, uses more CPU cycles than Little Snitch, limited tech support
    not avail.
     
    Mac OS X 10.6.8 or later
    1.5
    Yes
    No
    No
    No
    Network monitor, local file protection
    N/A
    N/A
     

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