Immunet

Immunet was a free, cloud-based antivirus made by Cisco Systems. It used the ClamAV engine and its own detection system. Immunet worked together with other anti

Immunet
Immunet
Developer(s)Cisco Systems
Stable release
7.5.10[1] / June 9, 2023; 3 years ago (2023-06-09)
Operating systemWindows 7 and later
TypeAntivirus
LicenseFreemium
Websitewww.immunet.com

Immunet was a free, cloud-based antivirus made by Cisco Systems. It used the ClamAV engine and its own detection system. Immunet worked together with other antivirus software and gave users extra protection online.

The app did not store virus data on the computer. Instead, all virus signatures were kept in the cloud, so users always had up-to-date protection without downloading updates. When one user’s system detected a virus, that protection was shared instantly with all other Immunet users.

Immunet was first created by a small company and later bought by Sourcefire in January 2011.[2] Later, Cisco Systems acquired Sourcefire and continued Immunet as a free product.

Products

Immunet was available in two versions:

  • Immunet Free – for personal use, cloud-based protection.
  • Immunet Plus – paid version for business use (discontinued in 2014).[3]

Effectiveness

PC Magazine tested Immunet in 2010 and rated it as “fair” for virus detection.[4]

Immunet’s cloud system made it faster and lighter than many traditional antivirus programs, but offline protection was limited. The company suggested using it together with another antivirus for best results.

Discontinuation

On 1 January 2024, Cisco officially ended Immunet’s service. The software stopped connecting to its cloud servers, and its support forum was closed on 1 February 2024. Cisco stated that it would focus future efforts on its Talos threat intelligence platform instead.[5]

References

  1. ↑ "New Release : Immunet 7.5.10". Archived from the original on 2023-09-24. Retrieved 2025-10-23.
  2. ↑ Friedrichs, Oliver. "Immunet Acquired by Sourcefire". Immunet. Archived from the original on 13 April 2011. Retrieved 10 April 2011.
  3. ↑ "Immunet Plus Antivirus". Archived from the original on 29 June 2015. Retrieved 27 June 2015.
  4. ↑ Rubenking, Neil J. "Immunet Protect Free 2.0". PC Magazine.
  5. ↑ "Immunet AntiVirus". www.immunet.com. Archived from the original on 2023-10-27. Retrieved 2023-10-27.


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