Antivirus software, also known as anti-malware, is a computer program used to prevent, detect, and remove malware.
ESET, s.r.o., is a software company specializing in cybersecurity. ESET´s security products are made in Europe and provide security software in over 200 countries and territories worldwide, and its software is localized into more than 30 languages.
Clam AntiVirus (ClamAV) is a free software, cross-platform antimalware toolkit able to detect many types of malware, including viruses. It was developed for Unix and has third party versions available for AIX, BSD, HP-UX, Linux, macOS, OpenVMS, OSF (Tru64) and Solaris. As of version 0.97.5, ClamAV builds and runs on Microsoft Windows. Both ClamAV and its updates are made available free of charge. One of its main uses is on mail servers as a server-side email virus scanner.
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.
Norton AntiVirus is an anti-virus or anti-malware software product, developed and distributed by NortonLifeLock since 1990 as part of its Norton family of computer security products. It uses signatures and heuristics to identify viruses. Other features included in it are e-mail spam filtering and phishing protection.
Avast Software s.r.o. is a Czech multinational cybersecurity software company headquartered in Prague, Czech Republic that researches and develops computer security software, machine learning and artificial intelligence. Avast has more than 435 million monthly active users and the second largest market share among anti-malware application vendors worldwide as of April 2020. The company has approximately 1,700 employees across its 25 offices worldwide. In July 2021, NortonLifeLock, an American cybersecurity company, announced that it is in talks to merge with Avast Software. In August 2021, Avast's board of directors agreed to an offer of US$8 billion.
Windows Live OneCare was a computer security and performance enhancement service developed by Microsoft for Windows. A core technology of OneCare was the multi-platform RAV, which Microsoft purchased from GeCAD Software Srl in 2003, but subsequently discontinued. The software was available as an annual paid subscription, which could be used on up to three computers.
This is a non-exhaustive list of notable antivirus and Internet Security software, in the form of comparison tables, according to their platform and their operating systems.
Kaspersky Anti-Virus is a proprietary antivirus program developed by Kaspersky Lab. It is designed to protect users from malware and is primarily designed for computers running Microsoft Windows and macOS, although a version for Linux is available for business consumers.
Webroot Inc. is an American privately-held cybersecurity software company that provides Internet security for consumers and businesses. The company was founded in Boulder, Colorado, US, and is now headquartered in Broomfield, Colorado, and has US operations in San Mateo and San Diego, and globally in Australia, Austria, Ireland, Japan and the United Kingdom.
Kaspersky Internet Security is an internet security suite developed by Kaspersky Lab compatible with Microsoft Windows and Mac OS X. Kaspersky Internet Security offers protection from malware, as well as email spam, phishing and hacking attempts, and data leaks. Kaspersky Lab Diagnostics results are distributed to relevant developers through the MIT License.
Sourcefire, Inc was a technology company that developed network security hardware and software. The company's Firepower network security appliances were based on Snort, an open-source intrusion detection system (IDS). Sourcefire was acquired by Cisco for $2.7 billion in July 2013.
VirusTotal is a website created by the Spanish security company Hispasec Sistemas. Launched in June 2004, it was acquired by Google in September 2012. The company's ownership switched in January 2018 to Chronicle, a subsidiary of Google.
Microsoft Security Essentials (MSE) is an antivirus software (AV) product that provides protection against different types of malicious software, such as computer viruses, spyware, rootkits, and trojan horses. Prior to version 4.5, MSE ran on Windows XP, Windows Vista, and Windows 7, but not on Windows 8 and later versions, which have built-in AV components known as Windows Defender. MSE 4.5 and later versions do not run on Windows XP. The license agreement allows home users and small businesses to install and use the product free-of-charge. It replaces Windows Live OneCare, a discontinued commercial subscription-based AV service, and the free Windows Defender, which only protected users from spyware until Windows 8.
Comodo Internet Security (CIS) is developed and distributed by Comodo Group, a freemium Internet security suite that includes an antivirus program, personal firewall, sandbox, host-based intrusion prevention system (HIPS) and website filtering.
Kaspersky Lab is a Russian multinational cybersecurity and anti-virus provider headquartered in Moscow, Russia, and operated by a holding company in the United Kingdom. It was founded in 1997 by Eugene Kaspersky, Natalya Kaspersky, and Alexey De-Monderik; Eugene Kaspersky is currently the CEO. Kaspersky Lab develops and sells antivirus, internet security, password management, endpoint security, and other cybersecurity products and services.
360 Safeguard and 360 Total Security is a program developed by Qihoo 360, an internet security company based in China. 360 Safeguard's focus is on stopping malware such as computer viruses and trojan horses, and providing security patches for Microsoft Windows. 360 Safeguard trojan horse scanner is cloud-based. A heuristics engine is built into the scanner.
Avira Operations GmbH & Co. KG is a German multinational computer security software company mainly known for their antivirus software Avira Free Security. Avira was founded in 2006, but the antivirus application has been under active development since 1986, through its predecessor company H+BEDV Datentechnik GmbH. As of 2021, Avira is owned by American software company NortonLifeLock, after being previously owned by investment firm Investcorp.
AV-Comparatives is an Austrian independent organization that tests and assesses antivirus software, regularly releasing charts and reports that are freely available to the public and the media. Antivirus vendors have to meet various requirements regarding trustworthiness and reliability in order to take part in the tests.
Norton, formerly known as Norton by Symantec, is a division of NortonLifeLock based in Tempe, Arizona. Since being acquired by the Symantec Corporation in 1990, Norton offers a variety of products and services related to digital security, identity protection, and online privacy. In 2014, Norton's parent company Symantec separated their business into two units. One was focused on security and the other was focused on information management; Norton was placed in the unit focused on security. The company originally provided utility software for DOS.
