Comodo Internet Security

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Comodo Internet Security
COMODO Internet Security v5 icon.png
Comodo internet security v6.PNG
Comodo Internet Security version 6.0 Premium on Windows XP
Developer(s) Comodo Group
Stable release 7.0.315459.4132 (April 2, 2014; 18 days ago (2014-04-02)) [±][1][Note 1]
Operating system Windows XP and later;[2] with antivirus-only versions for Mac OS X,[3] Ubuntu, Debian, Fedora, RHEL, Mint, CentOS, OpenSUSE[4]
Platform IA-32 and x64
  • IA-32 only: 49.85 MB[5]
  • x64 only: 58 MB[5]
  • Hybrid: 219 MB[5]
  • Virus definitions: 141 MB[6]
Type Antivirus, Personal firewall, Intrusion prevention system
License Freemium

Comodo Internet Security (CIS), developed by Comodo Group, is an Internet security suite for Microsoft Windows. It includes anti-malware (antivirus) protection, a personal firewall, a sandbox and a Host-based Intrusion Prevention System (HIPS) called Defense+.[7][2]



Comodo Internet Security (CIS) is available in four editions: Comodo Internet Security (the standard edition), Comodo Internet Security Plus, Comodo Internet Security Pro and Comodo Internet Security Complete.

The standard edition is provided entirely free, with no time limit and includes the same firewall and multi-layered protection system as other editions.. All editions contain a personal firewall which prevents unauthorized communication with the Internet,[8] an antivirus that seeks and eliminates malicious software and the Defense+ monitors software for suspicious behavior and can "sandbox" certain programs, thus preventing them from making permanent changes to the system.

The first edition, Comodo Internet Security, is freeware and is available for Windows.[2] Other editions are available on paid subscription, and offer additional technical support and Warranty protection against being harmed by malware during the subscription period.[9] The Complete edition comes with an online backup service subscription.[10]

GeekBuddy is a support system whereby a Comodo expert makes a remote connection to the user's computer and resolves a wide variety of technical issues, included but not restricted to virus cleaning and Internet security, such as software installation and printer setup.[11] It is available in the paid-for versions of CIS, and as a separate subscription service. The website offers a free 60-day trial of GeekBuddy, but one review reports that this was refused when requested.[12]

Comodo also offers Comodo Firewall and Comodo Antivirus, components of Comodo Internet Security, separately. All editions of CIS can install antivirus software and a standalone personal firewall, or either of these alone.[13][14] However, the antivirus is also available for Mac OS X and Linux.[4][3]

Major Releases[edit]

CIS v6, released February 2013, provided a major revision of the user interface and significant new features such as a fully sandboxed desktop environment.

On April 2, 2014 Comodo announced completion of beta testing for CIS v6. The release will include a new virus monitoring tool called Virus Scope and Web Filtering features that provide control over user access to web content.[15]


Comodo Internet Security was designed around the concept of layered security[16] and provides the following functions:

Comodo's Antivirus Software was publicly released along with the Comodo Internet Security Suite on 23 October 2008.[17] It can scan programs as they are opened, providing continuous protection against threats it recognises, and can scan all or part of a file system on demand. Since CIS 3.8 it has offered a heuristics engine built into the scanner. CIS 5.0 added cloud antivirus protection and spyware scanning capabilities. As it could not clean all the malware it found effectively, Comodo Cleaning Essentials was developed to supplement CIS.[18]
Programs that cannot that have not been determined to be malware but cannot also be verified as safe are run in a secure virtual operating system area called a sandbox. Comodo refers to this strategy as "Default/Deny" because the program is denied access to the computers operating and files systems.
Comodo Firewall Pro generally wins high scores on Firewall testing sites, such as Matousec, and has regularly been included in the top three firewalls.[19] The firewall component has been declared Editor's Choice by PC Magazine[20] and Gizmo's Tech Support Alert.[21]
Host Based Intrusion Prevention System (HIPS)
Comodo's host-based intrusion prevention system (HIPS), named Defense+, is designed to provide protection against unknown malware. It is designed to restrict the actions of unknown applications, and restrict access to important files, folders, settings and the Windows Registry. Defense+ employs Default Deny Protection, by default refusing any unknown file permission to install or execute except when specifically allowed by the user or when the file appears on Comodo's whitelist. In CIS 4.0 a sandbox was added to Defense+ to isolate and run unknown applications.[22]
Remote assistance
Comodo GeekBuddy, which is also available by itself as a separate service,[23] is provided with paid versions of Comodo Internet Security.[2] It allows a Comodo technician to connect remotely to users' computers to help disinfect their system or provide other support.[23]
KillSwitch is an optional system monitoring component that allows users to identify, monitor and stop potentially unsafe programs.[24][25]
Virtual Kiosk

In CIS v6 Comodo added a virtual desktop area that runs entirely in a secure sandbox. The Kiosk can emulate the Windows and Chrome operating systems.

Comodo Cleaning Essentials (CCE)
Comodo Cleaning Essentials (CCE) is an optional on-demand virus scanner and cleaner that uses the same antivirus engine and database as CIS. It requires a separate download and installation, although it can be done so from within CIS. It was created in response to criticism of Antivirus's ability to remove threats it detected. Unlike Antivirus, Cleaning Essentials does not provide continuous protection, but rather is run on demand from a hard drive or a USB device. So long as the machine is connected to the Internet, CCE can download the latest definition updates.
Before carrying out a full scan, CCE reboots the machine and starts itself before other processes, which allows it to detect and clean malicious processes which could otherwise hide from and resist cleaning by software such as Comodo Antivirus.
CCE can carry out a full scan or a custom scan for malware including rootkits, and run KillSwitch, a task manager, like Windows Task Manager but with added facilities to determine if a process is safe, unknown, or dangerous. It can terminate stubborn processes that cannot be closed by Windows Task Manager. CCE also has a module to analyze processes which run automatically at machine startup, identifying malicious autostart processes.[26]

Critical reception[edit]

Third party reviews[edit]

Comodo Internet Security initially received mixed reviews; it was generally praised for its firewall and its value for price, but criticized for its poor antivirus detection. Over time, however, its antivirus component received better reviews.

PC Magazine lead security analyst, Neil J. Rubenking, reviewed Comodo Firewall Pro 3.0 and Comodo Internet Security 3.5 on 3 November 2008, giving 4.5 out of 5 to the first but only 2.5 to the second. He praise the suite's firewall capabilities but criticized its antimalware capabilities.[27][28]

On 28 May 2009, Roboert Vamosi of PC World reviewed Comodo Internet Security 3.8 and gave it a score of 1 out of 5, criticizing it for its "disappointing malware detection" based on AV-TEST result and "limited feature set".[29]

Three years and three version later, Comodo Antivirus results became significantly better. On 30 January 2012, Rubenking reviewed Comodo Internet Security 2012 Pro (v5.0), giving it 4 stars out of 5. He praised its support service and antimalware features but was panned for its "effectively off by default" firewall, Defense+ popups, lack of parental control, antispam, antiphishing, and privacy protection features, and finally for the same old reason: "Low ratings from independent labs".[30]

On 29 October 2012, Elena Opris of Softpedia reviewed Comodo Internet Security version 6.0 and gave it a score of 5 out of 5. Primarily introducing it as an antivirus product, Opris offered no criticism for this version but praised many of its aspects.

In a 9 January 2013 review, Techworld awarded Comodo Internet Security Pro 2013 4 of 5 stars and concluded "Cloud-based scanning and behaviour analysis joins a suite of top-notch security tools, designed to keep your PC secure. Recommended."[31] Also on the same date, Mike Williams of reviewed Comodo Internet Security Pro 2013 and concluded "The program remains too complex for total PC beginners, we suspect. The average user will appreciate its largely automatic operation, though, while experts enjoy the powerful tools and extreme configurability."[32]

On 7 February 2013, Comodo Internet Security Complete v6 earned the PC Magazine Editor's Choice award. Reviewing the software again, Neil J. Reubenking gave it a score 4.5 of 5 stars, commended its support service, VPN solution, DNS service and value for price but criticized its behavior blocker and its poor anti-phishing capabilities. Reubenking concluded "The biggest win for Comodo Internet Security Complete 2013 isn't in features, but in support. The GeekBuddy service fixes any problem, security or otherwise, using remote assistance. A Virus-Free Guarantee reimburses you for damage if malware gets past Comodo; you can also get reimbursed for expenses related to identity theft. Add a GeekBuddy-powered tuneup tool and an unusually powerful backup utility and you've got a winner."[33]

In October 2013, reviewed the Comodo Internet Security 2014 Complete edition and gave it a score of 9.18 out of 10. Their review notes that the firewall component is their Gold Award winner for best firewall protection. However, they also comment on the lack of brand name recognition for Comodo's product.[34]

Independent test labs[edit]

AV-TEST Labs[edit]

AV-TEST, another independent test lab based in Germany, regularly tests security software in three categories of protection, repair and usability. Products that surpass the industry standard (measured by the mean score of the participating products) are awarded a certificate.

Comodo Internet Security participated in their tests since 2010 and for the first time in February 2013, Comodo Internet Security Premium 2013 managed to obtain the AV-TEST certificate in the field of home products.[35] In this test, CIS obtained a score 3.5 out of 6.0 for protection, 3.5 for performance and 3.0 for usability on Windows 8.[36]

In their March-April 2013 tests of 26 antivirus products, Comodo Internet Security Premium scored 6.0 for protection, 4.0 for performance and 2.5 for usability. The tests were conducted on Windows XP.[37]

In their May-June 2013 tests of 26 antivirus products, Comodo Internet Security Premium scored 6 for protection, 5.5 for performance and 3.5 for usability. The tests were conducted on Windows 7.[38]


In proactive security area, Comodo Internet Security has performed better. On 18 January 2013, Matousec the independent tester of security software, analyzed 38 security products for their proactive defense capabilities and ranked Comodo Internet Security 2013 Premium (v6) number one. Comodo Internet Security 2013 was tested on Windows 7 SP1 with Internet Explorer 9 and passed 101 out of 110 tests (92%).[39][40] Comodo Internet Security 2012 was tested on 13 January 2012 and was ranked number 1.[41] As of October 30, 2013, Comodo remained first in the Matousec rankings, but their results had improved to 107 of 110 tests passed (97%).

Virus Bulletin[edit]

Starting on October 2010 and December 2011, Comodo Internet Security has participated in six of the antivirus tests held by Virus Bulletin, a British magazine. The tests assess the performance of security products against samples of prevalent malware in the wild. A product passes the test when it finds all samples, without generating a false positive. Comodo Internet Security has only passed the tests once out of the six, in April 2011.[42]

See also[edit]


  1. ^ Release Notes are issued for most versions of Comodo Internet Security, and report the version number. However, since they are not issued for all releases, the only way to reliably determine the most recent version is to download the package.


  1. ^ "Comodo Internet Security". website. Comodo Group. December 29, 2010. Retrieved 23 January 2012. 
  2. ^ a b c d "Comodo Internet Security". Comodo website ( Comodo Group. Retrieved 5 November 2010. 
  3. ^ a b "Antivirus for Mac - Complete Virus Protection". Comodo Group. Retrieved 10 October 2013. 
  4. ^ a b "Virus Protection - Comodo Antivirus for Linux". Comodo Group. Retrieved 10 October 2013. 
  5. ^ a b c "COMODO Internet Security: Free Download". Softpedia. SoftNews SRL. Retrieved 30 April 2013. 
  6. ^ "Comodo Anti-Malware Database - Latest additions". Comodo website. Comodo Software. Retrieved 5 November 2010. 
  7. ^ "Download Comodo Internet Security". Comodo website ( Comodo Group. Retrieved 5 November 2010. 
  8. ^ "Comodo Internet Security". CBS Interactive. Retrieved 29 July 2013. 
  9. ^ "Comodo Internet Security Pro". Comodo website ( Comodo Group. Retrieved 27 May 2010. 
  10. ^ "Comodo Internet Security Complete". Comodo website ( Comodo Group. Retrieved 27 May 2010. 
  11. ^ "Online PC Support - Geekbuddy". Comodo Group. Retrieved 29 July 2013. 
  12. ^ "Comodo Internet Security Premium – Review". Hardware insights. 4 July 2011. Retrieved 29 July 2013. 
  13. ^ "Download Comodo Firewall". Comodo website ( Comodo Group. Retrieved 27 May 2010. 
  14. ^ "Download Comodo Antivirus". Comodo website ( Comodo Group. Retrieved 27 May 2010. 
  15. ^
  16. ^ Abdulhayoğlu, Melih (5 May 2008). "A Door, A Burglar Alarm and Insurance - All you need for Computer Security!". Retrieved 27 May 2010. 
  17. ^ "Comodo Releases New Powerful Internet Security Suite for PC Users". Comodo Newsroom. 28 October 2008. Retrieved 27 May 2010. 
  18. ^ Mediati, Nick (3 May 2012). "Comodo Internet Security Premium 5.9 review". PC Advisor. IDG. Retrieved 29 July 2013. 
  19. ^ "Proactive Security Challenge: Results and comments". 1 May 2010. Retrieved 25 May 2010. 
  20. ^ Rubenking, Neil J. (18 December 2007). "Comodo Firewall Pro 3.0". Retrieved 25 May 2010. 
  21. ^ "Best Free Windows 7 / Vista 64 bit Software". 22 May 2010. Retrieved 25 May 2010. 
  22. ^ Hickins, Michael (16 April 2009). "Microsoft Trying To Change Its Security Identity". BNET Technology Blog. Retrieved 27 May 2010. 
  23. ^ a b "GeekBuddy". Comodo Group. Retrieved 22 July 2011. 
  24. ^ "Began testing Comodo Internet Security 6.0 Beta | Antivirus and Security". Self-published. 10 October 2012. Retrieved 29 July 2013. 
  25. ^ "Comodo Cleaning Essentials". Comodo Group. Retrieved 29 July 2013. 
  26. ^ "COMODO Cleaning Essentials 2.0.212902.151 BETA Released!". Comodo website ( Comodo Group. Retrieved 28 October 2011. 
  27. ^ Rubenking,, Neil J. (18 December 2007). "Comodo Firewall Pro 3". PC Magazine. Retrieved 7 March 2012. 
  28. ^ Rubenking,, Neil J. (3 November 2008). "Comodo Internet Security 3.5". PC Magazine. Retrieved 7 March 2012. 
  29. ^ Vamosi, Robert (28 May 2009). "Comodo Internet Security Pro 3.8". PC World. Retrieved 7 March 2012. 
  30. ^ Rubenking, Neil J. (30 January 2012). "Comodo Internet Security Pro 2012". PC Magazine. Ziff Davis. Retrieved 25 April 2013. 
  31. ^ "Comodo Internet Security Pro 2013 (v6.1)". TechWorld. IDG. 9 January 2013. Retrieved 25 April 2013. 
  32. ^ Williams, Mike (9 January 2013). "Comodo Internet Security Pro 2013 [Review]". BetaNews. Retrieved 25 April 2013. 
  33. ^ Rubenking, Neil J. (7 February 2013). "Comodo Internet Security Complete 2013". PC Magazine. Ziff Davis. Retrieved 25 April 2013. 
  34. ^
  35. ^ "Home User: Comodo". AV-TEST. Retrieved 25 April 2013. 
  36. ^ "Comodo: Internet Security Premium – Jan-Feb/2013". AV-TEST. February 2013. Retrieved 25 April 2013. 
  37. ^ "Comodo: Internet Security Premium – Mar-Apr/2013". AV-TEST. April 2013. Retrieved 25 April 2013. 
  38. ^ "The Independent IT-Security Institute: May-Jun/2013". AV-TEST. Retrieved 29 July 2013. 
  39. ^ "Comodo Internet Security Premium 6.0.260739.2674". Proactive Security Challenge 64 report. Matousec. 18 January 2013. Retrieved 29 May 2013. 
  40. ^ "Proactive Security Challenge 64". Matousec. 18 January 2013. Retrieved 25 April 2013. 
  41. ^ "Proactive Security Challenge". Matousec. 13 January 2012. Retrieved 25 April 2013. 
  42. ^ "VB100 Results Overview: Comodo Internet Security". Virus Bulletin. Retrieved 25 April 2013. 

External links[edit]