ESET NOD32
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ESET NOD32 Antivirus 10 running on Windows.
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| Original author(s) | ESET |
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| Developer(s) | ESET |
| Initial release | 1987 |
| Stable release |
10.1.219.0 / July 27, 2017
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| Development status | Active |
| Written in | Assembly language |
| Operating system | Microsoft Windows, Mac OS X, Linux, FreeBSD, Solaris, Windows Mobile, Android |
| Size | 103 MB (32-bit), 108 MB (64-bit) |
| Type | Antivirus software |
| License | Proprietary commercial software |
| Website | www |
ESET NOD32 Antivirus, commonly known as NOD32, is an antivirus software package made by the Slovak company ESET. ESET NOD32 Antivirus is sold in two editions, Home Edition and Business Edition. The Business Edition packages add ESET Remote Administrator allowing for server deployment and management, mirroring of threat signature database updates and the ability to install on Microsoft Windows Server operating systems.
The acronym NOD stands for Nemocnica na Okraji Disku ("Hospital at the end of the disk"), a pun related to the Czechoslovak medical drama series Nemocnice na kraji města (Hospital at the End of the City). The first version of NOD32 - called NOD-ICE - was a DOS-based program. It was created in 1987 by Miroslav Trnka and Peter Paško at the time when computer viruses started to become increasingly prevalent on PCs running DOS. Due to the limitations of the OS (lack of multitasking among others) it didn't feature any on-demand/on-access protection nor most of the other features of the current versions. Besides the virus scanning and cleaning functionality it only featured heuristic analysis. With the increasing popularity of the Windows environment, advent of 32-bit CPUs, a shift on the PC market and increasing popularity of the Internet came the need for a completely different antivirus approach as well. Thus the original program was re-written and christened "NOD32" name both to emphasize the radical shift from the previous version and its Win32 system compatibility.
Initially the program gained popularity with IT workers in Eastern European countries, as ESET was based in Slovakia. Though the program's abbreviation was originally pronounced as individual letters, the worldwide use of the program led to the more common single-word pronunciation, sounding like the English word nod. Additionally, the "32" portion of the name is an anachronism with the release of a 64-bit version in the Windows 7 era. The company reached its 10000th update to virus definitions on June 25, 2014.
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